2413 lines
75 KiB
JavaScript
2413 lines
75 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var list = require('./list.cjs');
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var object = require('./object-c0c9435b.cjs');
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var equality = require('./equality.cjs');
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var fingerprint = require('./fingerprint.cjs');
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var array$1 = require('./array-78849c95.cjs');
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var _function = require('./function-314580f7.cjs');
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var schema = require('./schema.cjs');
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var error = require('./error-0c1f634f.cjs');
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var math = require('./math-96d5e8c4.cjs');
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var rabin = require('./rabin.cjs');
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var encoding = require('./encoding-1a745c43.cjs');
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var buffer = require('./buffer-3e750729.cjs');
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var patience = require('./patience.cjs');
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var prng = require('./prng-37d48618.cjs');
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require('./set-5b47859e.cjs');
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require('./environment-1c97264d.cjs');
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require('./map-24d263c0.cjs');
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require('./string-fddc5f8b.cjs');
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require('./conditions-f5c0c102.cjs');
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require('./storage.cjs');
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require('./number-1fb57bba.cjs');
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require('./binary-ac8e39e2.cjs');
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require('./decoding-76e75827.cjs');
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/**
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* @beta this API is about to change
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*
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* ## Mutability
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*
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* Deltas are mutable by default. But references are often shared, by marking a Delta as "done". You
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* may only modify deltas by applying other deltas to them. Casting a Delta to a DeltaBuilder
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* manually, will likely modify "shared" state.
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*/
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/**
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* @typedef {{
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* insert?: string[]
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* insertAt?: number
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* delete?: string[]
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* deleteAt?: number
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* format?: Record<string,string[]>
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* formatAt?: number
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* }} Attribution
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*/
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/**
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* @type {s.Schema<Attribution>}
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*/
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const $attribution = schema.$object({
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insert: schema.$array(schema.$string).optional,
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insertAt: schema.$number.optional,
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delete: schema.$array(schema.$string).optional,
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deleteAt: schema.$number.optional,
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format: schema.$record(schema.$string, schema.$array(schema.$string)).optional,
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formatAt: schema.$number.optional
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});
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/**
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* @typedef {s.Unwrap<$anyOp>} DeltaOps
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*/
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/**
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* @typedef {{ [key: string]: any }} FormattingAttributes
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*/
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/**
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* @typedef {{
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* type: 'delta',
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* name?: string,
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* attrs?: { [Key in string|number]: DeltaAttrOpJSON },
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* children?: Array<DeltaListOpJSON>
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* }} DeltaJSON
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*/
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/**
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* @typedef {{ type: 'insert', insert: string|Array<any>, format?: { [key: string]: any }, attribution?: Attribution } | { delete: number } | { type: 'retain', retain: number, format?: { [key:string]: any }, attribution?: Attribution } | { type: 'modify', value: object }} DeltaListOpJSON
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*/
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/**
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* @typedef {{ type: 'insert', value: any, prevValue?: any, attribution?: Attribution } | { type: 'delete', prevValue?: any, attribution?: Attribution } | { type: 'modify', value: DeltaJSON }} DeltaAttrOpJSON
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*/
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/**
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* @typedef {TextOp|InsertOp<any>|DeleteOp|RetainOp|ModifyOp<any>} ChildrenOpAny
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*/
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/**
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* @typedef {AttrInsertOp<any>|AttrDeleteOp<any>|AttrModifyOp} AttrOpAny
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*/
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/**
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* @typedef {ChildrenOpAny|AttrOpAny} _OpAny
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*/
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/**
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* @type {s.Schema<DeltaAttrOpJSON>}
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*/
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const $deltaMapChangeJson = schema.$union(
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schema.$object({ type: schema.$literal('insert'), value: schema.$any, prevValue: schema.$any.optional, attribution: $attribution.optional }),
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schema.$object({ type: schema.$literal('modify'), value: schema.$any }),
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schema.$object({ type: schema.$literal('delete'), prevValue: schema.$any.optional, attribution: $attribution.optional })
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);
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/**
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* @template {{[key:string]: any} | null} Attrs
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* @param {Attrs} attrs
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* @return {Attrs}
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*/
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const _cloneAttrs = attrs => attrs == null ? attrs : { ...attrs };
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/**
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* @template {any} MaybeDelta
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* @param {MaybeDelta} maybeDelta
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* @return {MaybeDelta}
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*/
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const _markMaybeDeltaAsDone = maybeDelta => $deltaAny.check(maybeDelta) ? /** @type {MaybeDelta} */ (maybeDelta.done()) : maybeDelta;
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class TextOp extends list.ListNode {
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/**
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* @param {string} insert
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* @param {FormattingAttributes|null} format
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* @param {Attribution?} attribution
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*/
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constructor (insert, format, attribution) {
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super();
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// Whenever this is modified, make sure to clear _fingerprint
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/**
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* @readonly
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* @type {string}
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*/
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this.insert = insert;
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/**
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* @readonly
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* @type {FormattingAttributes|null}
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*/
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this.format = format;
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this.attribution = attribution;
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/**
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* @type {string?}
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*/
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this._fingerprint = null;
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}
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/**
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* @param {string} newVal
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*/
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_updateInsert (newVal) {
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// @ts-ignore
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this.insert = newVal;
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this._fingerprint = null;
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}
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/**
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* @return {'insert'}
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*/
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get type () {
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return 'insert'
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}
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get length () {
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return this.insert.length
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}
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get fingerprint () {
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return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
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encoding.writeVarUint(encoder, 0); // textOp type: 0
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encoding.writeVarString(encoder, this.insert);
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encoding.writeAny(encoder, this.format);
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})))
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}
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/**
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* Remove a part of the operation (similar to Array.splice)
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*
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* @param {number} offset
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* @param {number} len
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*/
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_splice (offset, len) {
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this._fingerprint = null;
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// @ts-ignore
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this.insert = this.insert.slice(0, offset) + this.insert.slice(offset + len);
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return this
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}
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/**
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* @return {DeltaListOpJSON}
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*/
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toJSON () {
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const { insert, format, attribution } = this;
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return object.assign(/** @type {{type: 'insert', insert: string}} */ ({ type: 'insert', insert }), format != null ? { format } : ({}), attribution != null ? { attribution } : ({}))
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}
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/**
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* @param {TextOp} other
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*/
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[equality.EqualityTraitSymbol] (other) {
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return _function.equalityDeep(this.insert, other.insert) && _function.equalityDeep(this.format, other.format) && _function.equalityDeep(this.attribution, other.attribution)
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}
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/**
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* @return {TextOp}
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*/
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clone (start = 0, end = this.length) {
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return new TextOp(this.insert.slice(start, end), _cloneAttrs(this.format), _cloneAttrs(this.attribution))
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}
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}
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/**
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* @template {fingerprintTrait.Fingerprintable} ArrayContent
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*/
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class InsertOp extends list.ListNode {
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/**
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* @param {Array<ArrayContent>} insert
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* @param {FormattingAttributes|null} format
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* @param {Attribution?} attribution
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*/
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constructor (insert, format, attribution) {
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super();
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/**
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* @readonly
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* @type {Array<ArrayContent>}
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*/
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this.insert = insert;
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/**
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* @readonly
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* @type {FormattingAttributes?}
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*/
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this.format = format;
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/**
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* @readonly
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* @type {Attribution?}
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*/
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this.attribution = attribution;
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/**
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* @type {string?}
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*/
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this._fingerprint = null;
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}
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/**
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* @param {ArrayContent} newVal
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*/
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_updateInsert (newVal) {
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// @ts-ignore
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this.insert = newVal;
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this._fingerprint = null;
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}
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/**
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* @return {'insert'}
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*/
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get type () {
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return 'insert'
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}
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get length () {
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return this.insert.length
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}
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/**
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* @param {number} i
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* @return {Extract<ArrayContent,DeltaAny>}
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*/
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_modValue (i) {
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/**
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* @type {any}
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*/
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let d = this.insert[i];
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this._fingerprint = null;
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$deltaAny.expect(d);
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if (d.isDone) {
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// @ts-ignore
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this.insert[i] = (d = clone(d));
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return d
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}
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return d
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}
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get fingerprint () {
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return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
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encoding.writeVarUint(encoder, 1); // insertOp type: 1
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encoding.writeVarUint(encoder, this.insert.length);
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this.insert.forEach(ins => {
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encoding.writeVarString(encoder, fingerprint.fingerprint(ins));
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});
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encoding.writeAny(encoder, this.format);
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})))
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}
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/**
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* Remove a part of the operation (similar to Array.splice)
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*
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* @param {number} offset
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* @param {number} len
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*/
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_splice (offset, len) {
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this._fingerprint = null;
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this.insert.splice(offset, len);
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return this
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}
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/**
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* @return {DeltaListOpJSON}
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*/
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toJSON () {
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const { insert, format, attribution } = this;
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return object.assign({ type: /** @type {'insert'} */ ('insert'), insert: insert.map(ins => $deltaAny.check(ins) ? ins.toJSON() : ins) }, format ? { format } : ({}), attribution != null ? { attribution } : ({}))
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}
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/**
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* @param {InsertOp<ArrayContent>} other
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*/
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[equality.EqualityTraitSymbol] (other) {
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return _function.equalityDeep(this.insert, other.insert) && _function.equalityDeep(this.format, other.format) && _function.equalityDeep(this.attribution, other.attribution)
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}
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/**
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* @return {InsertOp<ArrayContent>}
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*/
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clone (start = 0, end = this.length) {
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return new InsertOp(this.insert.slice(start, end).map(_markMaybeDeltaAsDone), _cloneAttrs(this.format), _cloneAttrs(this.attribution))
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}
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}
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/**
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* @template {fingerprintTrait.Fingerprintable} [Children=never]
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* @template {string} [Text=never]
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*/
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class DeleteOp extends list.ListNode {
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/**
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* @param {number} len
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*/
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constructor (len) {
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super();
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this.delete = len;
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/**
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* @type {(Children|Text) extends never ? null : (Delta<any,{},Children,Text>?)}
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*/
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this.prevValue = null;
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/**
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* @type {string|null}
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*/
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this._fingerprint = null;
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}
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/**
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* @return {'delete'}
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*/
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get type () {
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return 'delete'
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}
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get length () {
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return 0
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}
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get fingerprint () {
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return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
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encoding.writeVarUint(encoder, 2); // deleteOp type: 2
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encoding.writeVarUint(encoder, this.delete);
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})))
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}
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/**
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* Remove a part of the operation (similar to Array.splice)
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*
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* @param {number} _offset
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* @param {number} len
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*/
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_splice (_offset, len) {
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this.prevValue = /** @type {any} */ (this.prevValue?.slice(_offset, len) || null);
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this._fingerprint = null;
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this.delete -= len;
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return this
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}
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/**
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* @return {DeltaListOpJSON}
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*/
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toJSON () {
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return { delete: this.delete }
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}
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/**
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* @param {DeleteOp} other
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*/
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[equality.EqualityTraitSymbol] (other) {
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return this.delete === other.delete
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}
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clone (start = 0, end = this.delete) {
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return new DeleteOp(end - start)
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}
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}
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class RetainOp extends list.ListNode {
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/**
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* @param {number} retain
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* @param {FormattingAttributes|null} format
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* @param {Attribution?} attribution
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*/
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constructor (retain, format, attribution) {
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super();
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/**
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* @readonly
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* @type {number}
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*/
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this.retain = retain;
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/**
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* @readonly
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* @type {FormattingAttributes?}
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*/
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this.format = format;
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/**
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* @readonly
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* @type {Attribution?}
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*/
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this.attribution = attribution;
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/**
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* @type {string|null}
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*/
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this._fingerprint = null;
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}
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/**
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* @return {'retain'}
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*/
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get type () {
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return 'retain'
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}
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get length () {
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return this.retain
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}
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get fingerprint () {
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return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
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encoding.writeVarUint(encoder, 3); // retainOp type: 3
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encoding.writeVarUint(encoder, this.retain);
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encoding.writeAny(encoder, this.format);
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})))
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}
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/**
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* Remove a part of the operation (similar to Array.splice)
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*
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* @param {number} _offset
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* @param {number} len
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*/
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_splice (_offset, len) {
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// @ts-ignore
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this.retain -= len;
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this._fingerprint = null;
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return this
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}
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/**
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* @return {DeltaListOpJSON}
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*/
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toJSON () {
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const { retain, format, attribution } = this;
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return object.assign({ type: /** @type {'retain'} */ ('retain'), retain }, format ? { format } : {}, attribution != null ? { attribution } : {})
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}
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/**
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* @param {RetainOp} other
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*/
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[equality.EqualityTraitSymbol] (other) {
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return this.retain === other.retain && _function.equalityDeep(this.format, other.format) && _function.equalityDeep(this.attribution, other.attribution)
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}
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clone (start = 0, end = this.retain) {
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return new RetainOp(end - start, _cloneAttrs(this.format), _cloneAttrs(this.attribution))
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}
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}
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/**
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* Delta that can be applied on a YType Embed
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*
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* @template {DeltaAny} [DTypes=DeltaAny]
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*/
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class ModifyOp extends list.ListNode {
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/**
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* @param {DTypes} delta
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* @param {FormattingAttributes|null} format
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* @param {Attribution?} attribution
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*/
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constructor (delta, format, attribution) {
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super();
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/**
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* @readonly
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* @type {DTypes}
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*/
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this.value = delta;
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/**
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* @readonly
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* @type {FormattingAttributes?}
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*/
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this.format = format;
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/**
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* @readonly
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* @type {Attribution?}
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*/
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this.attribution = attribution;
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/**
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* @type {string|null}
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*/
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this._fingerprint = null;
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}
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/**
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* @return {'modify'}
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*/
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get type () {
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return 'modify'
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}
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get length () {
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return 1
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}
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/**
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* @type {DeltaBuilderAny}
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*/
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get _modValue () {
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/**
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* @type {any}
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*/
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const d = this.value;
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this._fingerprint = null;
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if (d.isDone) {
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// @ts-ignore
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return (this.value = clone(d))
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}
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return d
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}
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get fingerprint () {
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// don't cache fingerprint because we don't know when delta changes
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return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
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encoding.writeVarUint(encoder, 4); // modifyOp type: 4
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encoding.writeVarString(encoder, this.value.fingerprint);
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encoding.writeAny(encoder, this.format);
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})))
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}
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|
|
/**
|
|
* Remove a part of the operation (similar to Array.splice)
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*
|
|
* @param {number} _offset
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* @param {number} _len
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*/
|
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_splice (_offset, _len) {
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return this
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}
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|
|
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/**
|
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* @return {DeltaListOpJSON}
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*/
|
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toJSON () {
|
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const { value, attribution, format } = this;
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return object.assign({ type: /** @type {'modify'} */ ('modify'), value: value.toJSON() }, format ? { format } : {}, attribution != null ? { attribution } : {})
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}
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|
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/**
|
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* @param {ModifyOp<any>} other
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*/
|
|
[equality.EqualityTraitSymbol] (other) {
|
|
return this.value[equality.EqualityTraitSymbol](other.value) && _function.equalityDeep(this.format, other.format) && _function.equalityDeep(this.attribution, other.attribution)
|
|
}
|
|
|
|
/**
|
|
* @return {ModifyOp<DTypes>}
|
|
*/
|
|
clone () {
|
|
return new ModifyOp(/** @type {DTypes} */ (this.value.done()), _cloneAttrs(this.format), _cloneAttrs(this.attribution))
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template {fingerprintTrait.Fingerprintable} V
|
|
* @template {string|number} [K=any]
|
|
*/
|
|
class AttrInsertOp {
|
|
/**
|
|
* @param {K} key
|
|
* @param {V} value
|
|
* @param {V|undefined} prevValue
|
|
* @param {Attribution?} attribution
|
|
*/
|
|
constructor (key, value, prevValue, attribution) {
|
|
/**
|
|
* @readonly
|
|
* @type {K}
|
|
*/
|
|
this.key = key;
|
|
/**
|
|
* @readonly
|
|
* @type {V}
|
|
*/
|
|
this.value = value;
|
|
/**
|
|
* @readonly
|
|
* @type {V|undefined}
|
|
*/
|
|
this.prevValue = prevValue;
|
|
/**
|
|
* @readonly
|
|
* @type {Attribution?}
|
|
*/
|
|
this.attribution = attribution;
|
|
/**
|
|
* @type {string|null}
|
|
*/
|
|
this._fingerprint = null;
|
|
}
|
|
|
|
/**
|
|
* @return {'insert'}
|
|
*/
|
|
get type () { return 'insert' }
|
|
|
|
/**
|
|
* @type {DeltaBuilderAny}
|
|
*/
|
|
get _modValue () {
|
|
/**
|
|
* @type {any}
|
|
*/
|
|
const v = this.value;
|
|
this._fingerprint = null;
|
|
if ($deltaAny.check(v) && v.isDone) {
|
|
// @ts-ignore
|
|
return (this.value = clone(v))
|
|
}
|
|
return v
|
|
}
|
|
|
|
get fingerprint () {
|
|
return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
|
|
encoding.writeVarUint(encoder, 5); // map insert type: 5
|
|
encoding.writeAny(encoder, this.key);
|
|
if ($deltaAny.check(this.value)) {
|
|
encoding.writeUint8(encoder, 0);
|
|
encoding.writeVarString(encoder, this.value.fingerprint);
|
|
} else {
|
|
encoding.writeUint8(encoder, 1);
|
|
encoding.writeAny(encoder, this.value);
|
|
}
|
|
})))
|
|
}
|
|
|
|
toJSON () {
|
|
const v = this.value;
|
|
const prevValue = this.prevValue;
|
|
const attribution = this.attribution;
|
|
return object.assign({
|
|
type: this.type,
|
|
value: $deltaAny.check(v) ? v.toJSON() : v
|
|
}, attribution != null ? { attribution } : {}, prevValue !== undefined ? { prevValue } : {})
|
|
}
|
|
|
|
/**
|
|
* @param {AttrInsertOp<V>} other
|
|
*/
|
|
[equality.EqualityTraitSymbol] (other) {
|
|
return this.key === other.key && _function.equalityDeep(this.value, other.value) && _function.equalityDeep(this.attribution, other.attribution)
|
|
}
|
|
|
|
/**
|
|
* @return {AttrInsertOp<V,K>}
|
|
*/
|
|
clone () {
|
|
return new AttrInsertOp(this.key, _markMaybeDeltaAsDone(this.value), _markMaybeDeltaAsDone(this.prevValue), _cloneAttrs(this.attribution))
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template V
|
|
* @template {string|number} [K=string]
|
|
*/
|
|
class AttrDeleteOp {
|
|
/**
|
|
* @param {K} key
|
|
* @param {V|undefined} prevValue
|
|
* @param {Attribution?} attribution
|
|
*/
|
|
constructor (key, prevValue, attribution) {
|
|
/**
|
|
* @type {K}
|
|
*/
|
|
this.key = key;
|
|
/**
|
|
* @type {V|undefined}
|
|
*/
|
|
this.prevValue = prevValue;
|
|
this.attribution = attribution;
|
|
/**
|
|
* @type {string|null}
|
|
*/
|
|
this._fingerprint = null;
|
|
}
|
|
|
|
get value () { return undefined }
|
|
|
|
/**
|
|
* @type {'delete'}
|
|
*/
|
|
get type () { return 'delete' }
|
|
|
|
get fingerprint () {
|
|
return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
|
|
encoding.writeVarUint(encoder, 6); // map delete type: 6
|
|
encoding.writeAny(encoder, this.key);
|
|
})))
|
|
}
|
|
|
|
/**
|
|
* @return {DeltaAttrOpJSON}
|
|
*/
|
|
toJSON () {
|
|
const {
|
|
type, attribution, prevValue
|
|
} = this;
|
|
return object.assign({ type }, attribution != null ? { attribution } : {}, prevValue !== undefined ? { prevValue } : {})
|
|
}
|
|
|
|
/**
|
|
* @param {AttrDeleteOp<V>} other
|
|
*/
|
|
[equality.EqualityTraitSymbol] (other) {
|
|
return this.key === other.key && _function.equalityDeep(this.attribution, other.attribution)
|
|
}
|
|
|
|
clone () {
|
|
return new AttrDeleteOp(this.key, _markMaybeDeltaAsDone(this.prevValue), _cloneAttrs(this.attribution))
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template {DeltaAny} [Modifier=DeltaAny]
|
|
* @template {string|number} [K=string]
|
|
*/
|
|
class AttrModifyOp {
|
|
/**
|
|
* @param {K} key
|
|
* @param {Modifier} delta
|
|
*/
|
|
constructor (key, delta) {
|
|
/**
|
|
* @readonly
|
|
* @type {K}
|
|
*/
|
|
this.key = key;
|
|
/**
|
|
* @readonly
|
|
* @type {Modifier}
|
|
*/
|
|
this.value = delta;
|
|
/**
|
|
* @type {string|null}
|
|
*/
|
|
this._fingerprint = null;
|
|
}
|
|
|
|
/**
|
|
* @type {'modify'}
|
|
*/
|
|
get type () { return 'modify' }
|
|
|
|
get fingerprint () {
|
|
return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
|
|
encoding.writeVarUint(encoder, 7); // map modify type: 7
|
|
encoding.writeAny(encoder, this.key);
|
|
encoding.writeVarString(encoder, this.value.fingerprint);
|
|
})))
|
|
}
|
|
|
|
/**
|
|
* @return {DeltaBuilder}
|
|
*/
|
|
get _modValue () {
|
|
this._fingerprint = null;
|
|
if (this.value.isDone) {
|
|
// @ts-ignore
|
|
this.value = /** @type {any} */ (clone(this.value));
|
|
}
|
|
// @ts-ignore
|
|
return this.value
|
|
}
|
|
|
|
/**
|
|
* @return {DeltaAttrOpJSON}
|
|
*/
|
|
toJSON () {
|
|
return {
|
|
type: this.type,
|
|
value: this.value.toJSON()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {AttrModifyOp<Modifier>} other
|
|
*/
|
|
[equality.EqualityTraitSymbol] (other) {
|
|
return this.key === other.key && this.value[equality.EqualityTraitSymbol](other.value)
|
|
}
|
|
|
|
/**
|
|
* @return {AttrModifyOp<Modifier,K>}
|
|
*/
|
|
clone () {
|
|
return new AttrModifyOp(this.key, /** @type {Modifier} */ (this.value.done()))
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @type {s.Schema<AttrDeleteOp<any> | DeleteOp>}
|
|
*/
|
|
const $deleteOp = schema.$custom(o => o != null && (o.constructor === DeleteOp || o.constructor === AttrDeleteOp));
|
|
|
|
/**
|
|
* @type {s.Schema<AttrInsertOp<any> | InsertOp<any>>}
|
|
*/
|
|
const $insertOp = schema.$custom(o => o != null && (o.constructor === AttrInsertOp || o.constructor === InsertOp));
|
|
|
|
/**
|
|
* @template {fingerprintTrait.Fingerprintable} Content
|
|
* @param {s.Schema<Content>} $content
|
|
* @return {s.Schema<AttrInsertOp<Content> | InsertOp<Content>>}
|
|
*/
|
|
const $insertOpWith = $content => schema.$custom(o =>
|
|
o != null && (
|
|
(o.constructor === AttrInsertOp && $content.check(/** @type {AttrInsertOp<Content>} */ (o).value)) ||
|
|
(o.constructor === InsertOp && /** @type {InsertOp<Content>} */ (o).insert.every(ins => $content.check(ins)))
|
|
)
|
|
);
|
|
|
|
/**
|
|
* @type {s.Schema<TextOp>}
|
|
*/
|
|
const $textOp = schema.$constructedBy(TextOp);
|
|
|
|
/**
|
|
* @type {s.Schema<RetainOp>}
|
|
*/
|
|
const $retainOp = schema.$constructedBy(RetainOp);
|
|
|
|
/**
|
|
* @type {s.Schema<AttrModifyOp | ModifyOp>}
|
|
*/
|
|
const $modifyOp = schema.$custom(o => o != null && (o.constructor === AttrModifyOp || o.constructor === ModifyOp));
|
|
|
|
/**
|
|
* @template {DeltaAny} Modify
|
|
* @param {s.Schema<Modify>} $content
|
|
* @return {s.Schema<AttrModifyOp<Modify> | ModifyOp<Modify>>}
|
|
*/
|
|
const $modifyOpWith = $content => schema.$custom(o =>
|
|
o != null && (
|
|
(o.constructor === AttrModifyOp && $content.check(/** @type {AttrModifyOp<Modify>} */ (o).value)) ||
|
|
(o.constructor === ModifyOp && $content.check(/** @type {ModifyOp<Modify>} */ (o).value))
|
|
)
|
|
);
|
|
|
|
const $anyOp = schema.$union($insertOp, $deleteOp, $textOp, $modifyOp);
|
|
|
|
/**
|
|
* @template {Array<any>|string} C1
|
|
* @template {Array<any>|string} C2
|
|
* @typedef {Extract<C1 | C2, Array<any>> extends never
|
|
* ? never
|
|
* : (Array<(Extract<C1 | C2,Array<any>> extends Array<infer AC1> ? (unknown extends AC1 ? never : AC1) : never)>)} MergeListArrays
|
|
*/
|
|
|
|
/**
|
|
* @template {{[Key in string|number]: any}} Attrs
|
|
* @template {string|number} Key
|
|
* @template {any} Val
|
|
* @typedef {{ [K in (Key | keyof Attrs)]: (unknown extends Attrs[K] ? never : Attrs[K]) | (Key extends K ? Val : never) }} AddToAttrs
|
|
*/
|
|
|
|
/**
|
|
* @template {{[Key in string|number|symbol]: any}} Attrs
|
|
* @template {{[Key in string|number|symbol]: any}} NewAttrs
|
|
* @typedef {{ [K in (keyof NewAttrs | keyof Attrs)]: (unknown extends Attrs[K] ? never : Attrs[K]) | (unknown extends NewAttrs[K] ? never : NewAttrs[K]) }} MergeAttrs
|
|
*/
|
|
|
|
/**
|
|
* @template X
|
|
* @typedef {0 extends (1 & X) ? null : X} _AnyToNull
|
|
*/
|
|
|
|
/**
|
|
* @template {s.Schema<Delta<any,any,any,any,any>>|null} Schema
|
|
* @typedef {_AnyToNull<Schema> extends null ? Delta<any,{[key:string|number]:any},any,string> : (Schema extends s.Schema<infer D> ? D : never)} AllowedDeltaFromSchema
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Delta<any,{ [k:string|number]: any },any,any,any>} DeltaAny
|
|
*/
|
|
/**
|
|
* @typedef {DeltaBuilder<any,{ [k:string|number]: any },any,any,any>} DeltaBuilderAny
|
|
*/
|
|
|
|
/**
|
|
* @template {string} [NodeName=any]
|
|
* @template {{[k:string|number]:any}} [Attrs={}]
|
|
* @template {fingerprintTrait.Fingerprintable} [Children=never]
|
|
* @template {string} [Text=never]
|
|
* @template {s.Schema<Delta<any,any,any,any,any>>|null} [Schema=any]
|
|
*/
|
|
class Delta {
|
|
/**
|
|
* @param {NodeName} [name]
|
|
* @param {Schema} [$schema]
|
|
*/
|
|
constructor (name, $schema) {
|
|
this.name = name || null;
|
|
this.$schema = $schema || null;
|
|
/**
|
|
* @type {{ [K in keyof Attrs]?: K extends string|number ? (AttrInsertOp<Attrs[K],K>|AttrDeleteOp<Attrs[K],K>|(Delta extends Attrs[K] ? AttrModifyOp<Extract<Attrs[K],DeltaAny>,K> : never)) : never }
|
|
* & { [Symbol.iterator]: () => Iterator<{ [K in keyof Attrs]: K extends string|number ? (AttrInsertOp<Attrs[K],K>|AttrDeleteOp<Attrs[K],K>|(Delta extends Attrs[K] ? AttrModifyOp<Extract<Attrs[K],DeltaAny>,K> : never)) : never }[keyof Attrs]> }
|
|
* }
|
|
*/
|
|
this.attrs = /** @type {any} */ ({
|
|
* [Symbol.iterator] () {
|
|
for (const k in this) {
|
|
yield this[k];
|
|
}
|
|
}
|
|
});
|
|
|
|
/**
|
|
* @type {list.List<
|
|
* RetainOp
|
|
* | DeleteOp
|
|
* | (Text extends never ? never : TextOp)
|
|
* | (Children extends never ? never : InsertOp<Children>)
|
|
* | (Delta extends Children ? ModifyOp<Extract<Children,Delta<any,any,any,any,any>>> : never)
|
|
* >}
|
|
*/
|
|
this.children = /** @type {any} */ (list.create());
|
|
this.childCnt = 0;
|
|
/**
|
|
* @type {any}
|
|
*/
|
|
this.origin = null;
|
|
/**
|
|
* @type {string|null}
|
|
*/
|
|
this._fingerprint = null;
|
|
this.isDone = false;
|
|
}
|
|
|
|
/**
|
|
* @type {string}
|
|
*/
|
|
get fingerprint () {
|
|
return this._fingerprint || (this._fingerprint = buffer.toBase64(encoding.encode(encoder => {
|
|
encoding.writeUint32(encoder, 0xf2ae5680); // "magic number" that ensures that different types of content don't yield the same fingerprint
|
|
encoding.writeAny(encoder, this.name);
|
|
/**
|
|
* @type {Array<number|string>}
|
|
*/
|
|
const keys = [];
|
|
for (const attr of this.attrs) {
|
|
keys.push(attr.key);
|
|
}
|
|
keys.sort((a, b) => {
|
|
const aIsString = schema.$string.check(a);
|
|
const bIsString = schema.$string.check(b);
|
|
// numbers first
|
|
// in ascending order
|
|
return (aIsString && bIsString)
|
|
? a.localeCompare(b)
|
|
: (aIsString ? 1 : (bIsString ? -1 : (a - b)))
|
|
});
|
|
encoding.writeVarUint(encoder, keys.length);
|
|
for (const key of keys) {
|
|
encoding.writeVarString(encoder, /** @type {any} */ (this.attrs[/** @type {keyof Attrs} */ (key)]).fingerprint);
|
|
}
|
|
encoding.writeVarUint(encoder, this.children.len);
|
|
for (const child of this.children) {
|
|
encoding.writeVarString(encoder, child.fingerprint);
|
|
}
|
|
return buffer.toBase64(rabin.fingerprint(rabin.StandardIrreducible128, encoding.toUint8Array(encoder)))
|
|
})))
|
|
}
|
|
|
|
[fingerprint.FingerprintTraitSymbol] () {
|
|
return this.fingerprint
|
|
}
|
|
|
|
isEmpty () {
|
|
return object.isEmpty(this.attrs) && list.isEmpty(this.children)
|
|
}
|
|
|
|
/**
|
|
* @return {DeltaJSON}
|
|
*/
|
|
toJSON () {
|
|
const name = this.name;
|
|
/**
|
|
* @type {any}
|
|
*/
|
|
const attrs = {};
|
|
/**
|
|
* @type {any}
|
|
*/
|
|
const children = [];
|
|
for (const attr of this.attrs) {
|
|
attrs[attr.key] = attr.toJSON();
|
|
}
|
|
this.children.forEach(val => {
|
|
children.push(val.toJSON());
|
|
});
|
|
return object.assign(
|
|
{ type: /** @type {'delta'} */ ('delta') },
|
|
(name != null ? { name } : {}),
|
|
(object.isEmpty(attrs) ? {} : { attrs }),
|
|
(children.length > 0 ? { children } : {})
|
|
)
|
|
}
|
|
|
|
/**
|
|
* @param {Delta<any,any,any,any,any>} other
|
|
* @return {boolean}
|
|
*/
|
|
equals (other) {
|
|
return this[equality.EqualityTraitSymbol](other)
|
|
}
|
|
|
|
/**
|
|
* @param {any} other
|
|
* @return {boolean}
|
|
*/
|
|
[equality.EqualityTraitSymbol] (other) {
|
|
// @todo it is only necessary to compare finrerprints OR do a deep equality check (remove
|
|
// childCnt as well)
|
|
return this.name === other.name && _function.equalityDeep(this.attrs, other.attrs) && _function.equalityDeep(this.children, other.children) && this.childCnt === other.childCnt
|
|
}
|
|
|
|
/**
|
|
* @return {DeltaBuilder<NodeName,Attrs,Children,Text,Schema>}
|
|
*/
|
|
clone () {
|
|
return this.slice(0, this.childCnt)
|
|
}
|
|
|
|
/**
|
|
* @param {number} start
|
|
* @param {number} end
|
|
* @return {DeltaBuilder<NodeName,Attrs,Children,Text,Schema>}
|
|
*/
|
|
slice (start = 0, end = this.childCnt) {
|
|
const cpy = /** @type {DeltaAny} */ (new DeltaBuilder(/** @type {any} */ (this.name), this.$schema));
|
|
cpy.origin = this.origin;
|
|
// copy attrs
|
|
for (const op of this.attrs) {
|
|
cpy.attrs[op.key] = /** @type {any} */ (op.clone());
|
|
}
|
|
// copy children
|
|
const slicedLen = end - start;
|
|
let remainingLen = slicedLen;
|
|
/**
|
|
* @type {ChildrenOpAny?}
|
|
*/
|
|
let currNode = this.children.start;
|
|
let currNodeOffset = 0;
|
|
while (start > 0 && currNode != null) {
|
|
if (currNode.length <= start) {
|
|
start -= currNode.length;
|
|
currNode = currNode.next;
|
|
} else {
|
|
currNodeOffset = start;
|
|
start = 0;
|
|
}
|
|
}
|
|
if (currNodeOffset > 0 && currNode) {
|
|
const ncpy = currNode.clone(currNodeOffset, currNodeOffset + math.min(remainingLen, currNode.length - currNodeOffset));
|
|
list.pushEnd(cpy.children, ncpy);
|
|
remainingLen -= ncpy.length;
|
|
currNode = currNode.next;
|
|
}
|
|
while (currNode != null && currNode.length <= remainingLen) {
|
|
list.pushEnd(cpy.children, currNode.clone());
|
|
remainingLen -= currNode.length;
|
|
currNode = currNode.next;
|
|
}
|
|
if (currNode != null && remainingLen > 0) {
|
|
list.pushEnd(cpy.children, currNode.clone(0, remainingLen));
|
|
remainingLen -= math.min(currNode.length, remainingLen);
|
|
}
|
|
cpy.childCnt = slicedLen - remainingLen;
|
|
// @ts-ignore
|
|
return cpy
|
|
}
|
|
|
|
/**
|
|
* Mark this delta as done and perform some cleanup (e.g. remove appended retains without
|
|
* formats&attributions). In the future, there might be additional merge operations that can be
|
|
* performed to result in smaller deltas. Set `markAsDone=false` to only perform the cleanup.
|
|
*
|
|
* @return {Delta<NodeName,Attrs,Children,Text,Schema>}
|
|
*/
|
|
done (markAsDone = true) {
|
|
if (!this.isDone) {
|
|
this.isDone = markAsDone;
|
|
const cs = this.children;
|
|
for (let end = cs.end; end !== null && $retainOp.check(end) && end.format == null && end.attribution == null; end = cs.end) {
|
|
this.childCnt -= end.length;
|
|
list.popEnd(cs);
|
|
}
|
|
}
|
|
return this
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template {DeltaAny} D
|
|
* @param {D} d
|
|
* @return {D extends DeltaBuilder<infer NodeName,infer Attrs,infer Children,infer Text,infer Schema> ? DeltaBuilder<NodeName,Attrs,Children,Text,Schema> : never}
|
|
*/
|
|
const clone = d => /** @type {any} */ (d.slice(0, d.childCnt));
|
|
|
|
/**
|
|
* Try merging this op with the previous op
|
|
* @param {list.List<any>} parent
|
|
* @param {InsertOp<any>|RetainOp|DeleteOp|TextOp|ModifyOp<any>} op
|
|
*/
|
|
const tryMergeWithPrev = (parent, op) => {
|
|
const prevOp = op.prev;
|
|
if (
|
|
prevOp?.constructor !== op.constructor ||
|
|
(
|
|
(!$deleteOp.check(op) && !$modifyOp.check(op)) && (!_function.equalityDeep(op.format, /** @type {InsertOp<any>} */ (prevOp).format) || !_function.equalityDeep(op.attribution, /** @type {InsertOp<any>} */ (prevOp).attribution))
|
|
)
|
|
) {
|
|
// constructor mismatch or format/attribution mismatch
|
|
return
|
|
}
|
|
// can be merged
|
|
if ($insertOp.check(op)) {
|
|
/** @type {InsertOp<any>} */ (prevOp).insert.push(...op.insert);
|
|
} else if ($retainOp.check(op)) {
|
|
// @ts-ignore
|
|
/** @type {RetainOp} */ (prevOp).retain += op.retain;
|
|
} else if ($deleteOp.check(op)) {
|
|
/** @type {DeleteOp} */ (prevOp).delete += op.delete;
|
|
} else if ($textOp.check(op)) {
|
|
/** @type {TextOp} */ (prevOp)._updateInsert(/** @type {TextOp} */ (prevOp).insert + op.insert);
|
|
} else {
|
|
error.unexpectedCase();
|
|
}
|
|
list.remove(parent, op);
|
|
};
|
|
|
|
/**
|
|
* Ensures that the delta can be edited. clears _fingerprint cache.
|
|
*
|
|
* @param {any} d
|
|
*/
|
|
const modDeltaCheck = d => {
|
|
if (d.isDone) {
|
|
/**
|
|
* You tried to modify a delta after it has been marked as "done".
|
|
*/
|
|
throw error.create("Readonly Delta can't be modified")
|
|
}
|
|
d._fingerprint = null;
|
|
};
|
|
|
|
/**
|
|
* @template {string} [NodeName=any]
|
|
* @template {{[key:string|number]:any}} [Attrs={}]
|
|
* @template {fingerprintTrait.Fingerprintable} [Children=never]
|
|
* @template {string} [Text=never]
|
|
* @template {s.Schema<Delta<any,any,any,any,any>>|null} [Schema=any]
|
|
* @extends {Delta<NodeName,Attrs,Children,Text,Schema>}
|
|
*/
|
|
class DeltaBuilder extends Delta {
|
|
/**
|
|
* @param {NodeName} [name]
|
|
* @param {Schema} [$schema]
|
|
*/
|
|
constructor (name, $schema) {
|
|
super(name, $schema);
|
|
/**
|
|
* @type {FormattingAttributes?}
|
|
*/
|
|
this.usedAttributes = null;
|
|
/**
|
|
* @type {Attribution?}
|
|
*/
|
|
this.usedAttribution = null;
|
|
}
|
|
|
|
/**
|
|
* @param {Attribution?} attribution
|
|
*/
|
|
useAttribution (attribution) {
|
|
modDeltaCheck(this);
|
|
this.usedAttribution = attribution;
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* @param {FormattingAttributes?} attributes
|
|
* @return {this}
|
|
*/
|
|
useAttributes (attributes) {
|
|
modDeltaCheck(this);
|
|
this.usedAttributes = attributes;
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* @param {string} name
|
|
* @param {any} value
|
|
*/
|
|
updateUsedAttributes (name, value) {
|
|
modDeltaCheck(this);
|
|
if (value == null) {
|
|
this.usedAttributes = object.assign({}, this.usedAttributes);
|
|
delete this.usedAttributes?.[name];
|
|
if (object.isEmpty(this.usedAttributes)) {
|
|
this.usedAttributes = null;
|
|
}
|
|
} else if (!_function.equalityDeep(this.usedAttributes?.[name], value)) {
|
|
this.usedAttributes = object.assign({}, this.usedAttributes);
|
|
this.usedAttributes[name] = value;
|
|
}
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* @template {keyof Attribution} NAME
|
|
* @param {NAME} name
|
|
* @param {Attribution[NAME]?} value
|
|
*/
|
|
updateUsedAttribution (name, value) {
|
|
modDeltaCheck(this);
|
|
if (value == null) {
|
|
this.usedAttribution = object.assign({}, this.usedAttribution);
|
|
delete this.usedAttribution?.[name];
|
|
if (object.isEmpty(this.usedAttribution)) {
|
|
this.usedAttribution = null;
|
|
}
|
|
} else if (!_function.equalityDeep(this.usedAttribution?.[name], value)) {
|
|
this.usedAttribution = object.assign({}, this.usedAttribution);
|
|
this.usedAttribution[name] = value;
|
|
}
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,any,infer Children,infer Text,infer Schema> ? ((Children extends never ? never : Array<Children>) | Text) : never} NewContent
|
|
* @param {NewContent} insert
|
|
* @param {FormattingAttributes?} [formatting]
|
|
* @param {Attribution?} [attribution]
|
|
* @return {DeltaBuilder<
|
|
* NodeName,
|
|
* Attrs,
|
|
* Exclude<NewContent,string>[number]|Children,
|
|
* (Extract<NewContent,string>|Text) extends never ? never : string,
|
|
* Schema
|
|
* >}
|
|
*/
|
|
insert (insert, formatting = null, attribution = null) {
|
|
modDeltaCheck(this);
|
|
const mergedAttributes = mergeAttrs(this.usedAttributes, formatting);
|
|
const mergedAttribution = mergeAttrs(this.usedAttribution, attribution);
|
|
/**
|
|
* @param {TextOp | InsertOp<any>} lastOp
|
|
*/
|
|
const checkMergedEquals = lastOp => (mergedAttributes === lastOp.format || _function.equalityDeep(mergedAttributes, lastOp.format)) && (mergedAttribution === lastOp.attribution || _function.equalityDeep(mergedAttribution, lastOp.attribution));
|
|
const end = this.children.end;
|
|
if (schema.$string.check(insert)) {
|
|
if ($textOp.check(end) && checkMergedEquals(end)) {
|
|
end._updateInsert(end.insert + insert);
|
|
} else if (insert.length > 0) {
|
|
list.pushEnd(this.children, new TextOp(insert, object.isEmpty(mergedAttributes) ? null : mergedAttributes, object.isEmpty(mergedAttribution) ? null : mergedAttribution));
|
|
}
|
|
this.childCnt += insert.length;
|
|
} else if (array$1.isArray(insert)) {
|
|
if ($insertOp.check(end) && checkMergedEquals(end)) {
|
|
// @ts-ignore
|
|
end.insert.push(...insert);
|
|
end._fingerprint = null;
|
|
} else if (insert.length > 0) {
|
|
list.pushEnd(this.children, new InsertOp(insert, object.isEmpty(mergedAttributes) ? null : mergedAttributes, object.isEmpty(mergedAttribution) ? null : mergedAttribution));
|
|
}
|
|
this.childCnt += insert.length;
|
|
}
|
|
return /** @type {any} */ (this)
|
|
}
|
|
|
|
/**
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,any,infer Children,any,any> ? Extract<Children,Delta<any,any,any,any,any>> : never} NewContent
|
|
* @param {NewContent} modify
|
|
* @param {FormattingAttributes?} formatting
|
|
* @param {Attribution?} attribution
|
|
* @return {DeltaBuilder<
|
|
* NodeName,
|
|
* Attrs,
|
|
* Exclude<NewContent,string>[number]|Children,
|
|
* (Extract<NewContent,string>|Text) extends string ? string : never,
|
|
* Schema
|
|
* >}
|
|
*/
|
|
modify (modify, formatting = null, attribution = null) {
|
|
modDeltaCheck(this);
|
|
const mergedAttributes = mergeAttrs(this.usedAttributes, formatting);
|
|
const mergedAttribution = mergeAttrs(this.usedAttribution, attribution);
|
|
list.pushEnd(this.children, new ModifyOp(modify, object.isEmpty(mergedAttributes) ? null : mergedAttributes, object.isEmpty(mergedAttribution) ? null : mergedAttribution));
|
|
this.childCnt += 1;
|
|
return /** @type {any} */ (this)
|
|
}
|
|
|
|
/**
|
|
* @param {number} len
|
|
* @param {FormattingAttributes?} [format]
|
|
* @param {Attribution?} [attribution]
|
|
*/
|
|
retain (len, format = null, attribution = null) {
|
|
modDeltaCheck(this);
|
|
const mergedFormats = mergeAttrs(this.usedAttributes, format);
|
|
const mergedAttribution = mergeAttrs(this.usedAttribution, attribution);
|
|
const lastOp = /** @type {RetainOp|InsertOp<any>} */ (this.children.end);
|
|
if (lastOp instanceof RetainOp && _function.equalityDeep(mergedFormats, lastOp.format) && _function.equalityDeep(mergedAttribution, lastOp.attribution)) {
|
|
// @ts-ignore
|
|
lastOp.retain += len;
|
|
} else if (len > 0) {
|
|
list.pushEnd(this.children, new RetainOp(len, mergedFormats, mergedAttribution));
|
|
}
|
|
this.childCnt += len;
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* @param {number} len
|
|
*/
|
|
delete (len) {
|
|
modDeltaCheck(this);
|
|
const lastOp = /** @type {DeleteOp|InsertOp<any>} */ (this.children.end);
|
|
if (lastOp instanceof DeleteOp) {
|
|
lastOp.delete += len;
|
|
} else if (len > 0) {
|
|
list.pushEnd(this.children, new DeleteOp(len));
|
|
}
|
|
this.childCnt += len;
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,infer Attrs,any,any,any> ? (keyof Attrs) : never} Key
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,infer Attrs,any,any,any> ? (Attrs[Key]) : never} Val
|
|
* @param {Key} key
|
|
* @param {Val} val
|
|
* @param {Attribution?} attribution
|
|
* @param {Val|undefined} [prevValue]
|
|
* @return {DeltaBuilder<
|
|
* NodeName,
|
|
* { [K in keyof AddToAttrs<Attrs,Key,Val>]: AddToAttrs<Attrs,Key,Val>[K] },
|
|
* Children,
|
|
* Text,
|
|
* Schema
|
|
* >}
|
|
*/
|
|
set (key, val, attribution = null, prevValue) {
|
|
modDeltaCheck(this);
|
|
this.attrs[key] = /** @type {any} */ (new AttrInsertOp(key, val, prevValue, mergeAttrs(this.usedAttribution, attribution)));
|
|
return /** @type {any} */ (this)
|
|
}
|
|
|
|
/**
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,infer Attrs,any,any,any> ? Attrs : never} NewAttrs
|
|
* @param {NewAttrs} attrs
|
|
* @param {Attribution?} attribution
|
|
* @return {DeltaBuilder<
|
|
* NodeName,
|
|
* { [K in keyof MergeAttrs<Attrs,NewAttrs>]: MergeAttrs<Attrs,NewAttrs>[K] },
|
|
* Children,
|
|
* Text,
|
|
* Schema
|
|
* >}
|
|
*/
|
|
setMany (attrs, attribution = null) {
|
|
modDeltaCheck(this);
|
|
for (const k in attrs) {
|
|
this.set(/** @type {any} */ (k), attrs[k], attribution);
|
|
}
|
|
return /** @type {any} */ (this)
|
|
}
|
|
|
|
/**
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,infer As,any,any,any> ? keyof As : never} Key
|
|
* @param {Key} key
|
|
* @param {Attribution?} attribution
|
|
* @param {any} [prevValue]
|
|
* @return {DeltaBuilder<
|
|
* NodeName,
|
|
* { [K in keyof AddToAttrs<Attrs,Key,never>]: AddToAttrs<Attrs,Key,never>[K] },
|
|
* Children,
|
|
* Text,
|
|
* Schema
|
|
* >}
|
|
*/
|
|
unset (key, attribution = null, prevValue) {
|
|
modDeltaCheck(this);
|
|
this.attrs[key] = /** @type {any} */ (new AttrDeleteOp(key, prevValue, mergeAttrs(this.usedAttribution, attribution)));
|
|
return /** @type {any} */ (this)
|
|
}
|
|
|
|
/**
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,infer As,any,any,any> ? { [K in keyof As]: Extract<As[K],Delta<any,any,any,any,any>> extends never ? never : K }[keyof As] : never} Key
|
|
* @template {AllowedDeltaFromSchema<Schema> extends Delta<any,infer As,any,any,any> ? Extract<As[Key],Delta<any,any,any,any,any>> : never} D
|
|
* @param {Key} key
|
|
* @param {D} modify
|
|
* @return {DeltaBuilder<
|
|
* NodeName,
|
|
* { [K in keyof AddToAttrs<Attrs,Key,D>]: AddToAttrs<Attrs,Key,D>[K] },
|
|
* Children,
|
|
* Text,
|
|
* Schema
|
|
* >}
|
|
*/
|
|
update (key, modify) {
|
|
modDeltaCheck(this);
|
|
this.attrs[key] = /** @type {any} */ (new AttrModifyOp(key, modify));
|
|
return /** @type {any} */ (this)
|
|
}
|
|
|
|
/**
|
|
* @param {Delta<NodeName,Attrs,Children,Text,any>} other
|
|
*/
|
|
apply (other) {
|
|
modDeltaCheck(this);
|
|
this.$schema?.expect(other);
|
|
// apply attrs
|
|
for (const op of other.attrs) {
|
|
const c = /** @type {AttrInsertOp<any,any>|AttrDeleteOp<any>|AttrModifyOp<any,any>} */ (this.attrs[op.key]);
|
|
if ($modifyOp.check(op)) {
|
|
if ($deltaAny.check(c?.value)) {
|
|
c._modValue.apply(op.value);
|
|
} else {
|
|
// then this is a simple modify
|
|
// @ts-ignore
|
|
this.attrs[op.key] = op.clone();
|
|
}
|
|
} else if ($insertOp.check(op)) {
|
|
// @ts-ignore
|
|
op.prevValue = c?.value;
|
|
// @ts-ignore
|
|
this.attrs[op.key] = op.clone();
|
|
} else if ($deleteOp.check(op)) {
|
|
op.prevValue = c?.value;
|
|
delete this.attrs[op.key];
|
|
}
|
|
}
|
|
// apply children
|
|
/**
|
|
* @type {ChildrenOpAny?}
|
|
*/
|
|
let opsI = this.children.start;
|
|
let offset = 0;
|
|
/**
|
|
* At the end, we will try to merge this op, and op.next op with their respective previous op.
|
|
*
|
|
* Hence, anytime an op is cloned, deleted, or inserted (anytime list.* api is used) we must add
|
|
* an op to maybeMergeable.
|
|
*
|
|
* @type {Array<InsertOp<any>|RetainOp|DeleteOp|TextOp|ModifyOp<any>>}
|
|
*/
|
|
const maybeMergeable = [];
|
|
/**
|
|
* @template {InsertOp<any>|RetainOp|DeleteOp|TextOp|ModifyOp<any>|null} OP
|
|
* @param {OP} op
|
|
* @return {OP}
|
|
*/
|
|
const scheduleForMerge = op => {
|
|
op && maybeMergeable.push(op);
|
|
return op
|
|
};
|
|
other.children.forEach(op => {
|
|
if ($textOp.check(op) || $insertOp.check(op)) {
|
|
if (offset === 0) {
|
|
list.insertBetween(this.children, opsI == null ? this.children.end : opsI.prev, opsI, scheduleForMerge(op.clone()));
|
|
} else {
|
|
// @todo inmplement "splitHelper" and "insertHelper" - I'm splitting all the time and
|
|
// forget to update opsI
|
|
if (opsI == null) error.unexpectedCase();
|
|
const cpy = scheduleForMerge(opsI.clone(offset));
|
|
opsI._splice(offset, opsI.length - offset);
|
|
list.insertBetween(this.children, opsI, opsI.next || null, cpy);
|
|
list.insertBetween(this.children, opsI, cpy || null, scheduleForMerge(op.clone()));
|
|
opsI = cpy;
|
|
offset = 0;
|
|
}
|
|
this.childCnt += op.insert.length;
|
|
} else if ($retainOp.check(op)) {
|
|
let retainLen = op.length;
|
|
|
|
if (offset > 0 && opsI != null && op.format != null && !$deleteOp.check(opsI) && !object.every(op.format, (v, k) => _function.equalityDeep(v, /** @type {InsertOp<any>|RetainOp|ModifyOp} */ (opsI).format?.[k] || null))) {
|
|
// need to split current op
|
|
const cpy = scheduleForMerge(opsI.clone(offset));
|
|
opsI._splice(offset, opsI.length - offset);
|
|
list.insertBetween(this.children, opsI, opsI.next || null, cpy);
|
|
opsI = cpy;
|
|
offset = 0;
|
|
}
|
|
|
|
while (opsI != null && opsI.length - offset <= retainLen) {
|
|
op.format != null && updateOpFormat(opsI, op.format);
|
|
retainLen -= opsI.length - offset;
|
|
opsI = opsI?.next || null;
|
|
offset = 0;
|
|
}
|
|
|
|
if (opsI != null) {
|
|
if (op.format != null && retainLen > 0) {
|
|
// split current op and apply format
|
|
const cpy = scheduleForMerge(opsI.clone(retainLen));
|
|
opsI._splice(retainLen, opsI.length - retainLen);
|
|
list.insertBetween(this.children, opsI, opsI.next || null, cpy);
|
|
updateOpFormat(opsI, op.format);
|
|
opsI = cpy;
|
|
} else {
|
|
offset += retainLen;
|
|
}
|
|
} else if (retainLen > 0) {
|
|
list.pushEnd(this.children, scheduleForMerge(new RetainOp(retainLen, op.format, op.attribution)));
|
|
this.childCnt += retainLen;
|
|
}
|
|
} else if ($deleteOp.check(op)) {
|
|
let remainingLen = op.delete;
|
|
while (remainingLen > 0) {
|
|
if (opsI == null) {
|
|
list.pushEnd(this.children, scheduleForMerge(new DeleteOp(remainingLen)));
|
|
this.childCnt += remainingLen;
|
|
break
|
|
} else if (opsI instanceof DeleteOp) {
|
|
const delLen = opsI.length - offset;
|
|
// the same content can't be deleted twice, remove duplicated deletes
|
|
if (delLen >= remainingLen) {
|
|
offset = 0;
|
|
opsI = opsI.next;
|
|
} else {
|
|
offset += remainingLen;
|
|
}
|
|
remainingLen -= delLen;
|
|
} else { // insert / embed / retain / modify ⇒ replace
|
|
// case1: delete o fully
|
|
// case2: delete some part of beginning
|
|
// case3: delete some part of end
|
|
// case4: delete some part of center
|
|
const delLen = math.min(opsI.length - offset, remainingLen);
|
|
this.childCnt -= delLen;
|
|
if (opsI.length === delLen) {
|
|
// case 1
|
|
offset = 0;
|
|
scheduleForMerge(opsI.next);
|
|
list.remove(this.children, opsI);
|
|
opsI = opsI.next;
|
|
} else if (offset === 0) {
|
|
// case 2
|
|
offset = 0;
|
|
opsI._splice(0, delLen);
|
|
} else if (offset + delLen === opsI.length) {
|
|
// case 3
|
|
opsI._splice(offset, delLen);
|
|
offset = 0;
|
|
opsI = opsI.next;
|
|
} else {
|
|
// case 4
|
|
opsI._splice(offset, delLen);
|
|
}
|
|
remainingLen -= delLen;
|
|
}
|
|
}
|
|
} else if ($modifyOp.check(op)) {
|
|
if (opsI == null) {
|
|
list.pushEnd(this.children, op.clone());
|
|
this.childCnt += 1;
|
|
return
|
|
}
|
|
if ($modifyOp.check(opsI)) {
|
|
opsI._modValue.apply(op.value);
|
|
} else if ($insertOp.check(opsI)) {
|
|
opsI._modValue(offset).apply(op.value);
|
|
} else if ($retainOp.check(opsI)) {
|
|
if (offset > 0) {
|
|
const cpy = scheduleForMerge(opsI.clone(0, offset)); // skipped len
|
|
opsI._splice(0, offset); // new remainder
|
|
list.insertBetween(this.children, opsI.prev, opsI, cpy); // insert skipped len
|
|
offset = 0;
|
|
}
|
|
list.insertBetween(this.children, opsI.prev, opsI, scheduleForMerge(op.clone())); // insert skipped len
|
|
if (opsI.length === 1) {
|
|
list.remove(this.children, opsI);
|
|
} else {
|
|
opsI._splice(0, 1);
|
|
scheduleForMerge(opsI);
|
|
}
|
|
} else if ($deleteOp.check(opsI)) ; else {
|
|
error.unexpectedCase();
|
|
}
|
|
} else {
|
|
error.unexpectedCase();
|
|
}
|
|
});
|
|
maybeMergeable.forEach(op => {
|
|
// check if this is still integrated
|
|
if (op.prev?.next === op) {
|
|
tryMergeWithPrev(this.children, op);
|
|
op.next && tryMergeWithPrev(this.children, op.next);
|
|
}
|
|
});
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* @param {DeltaAny} other
|
|
* @param {boolean} priority
|
|
*/
|
|
rebase (other, priority) {
|
|
modDeltaCheck(this);
|
|
/**
|
|
* Rebase attributes
|
|
*
|
|
* - insert vs delete ⇒ insert takes precedence
|
|
* - insert vs modify ⇒ insert takes precedence
|
|
* - insert vs insert ⇒ priority decides
|
|
* - delete vs modify ⇒ delete takes precedence
|
|
* - delete vs delete ⇒ current delete op is removed because item has already been deleted
|
|
* - modify vs modify ⇒ rebase using priority
|
|
*/
|
|
for (const op of this.attrs) {
|
|
if ($insertOp.check(op)) {
|
|
if ($insertOp.check(other.attrs[op.key]) && !priority) {
|
|
delete this.attrs[op.key];
|
|
}
|
|
} else if ($deleteOp.check(op)) {
|
|
const otherOp = other.attrs[/** @type {any} */ (op.key)];
|
|
if ($insertOp.check(otherOp)) {
|
|
delete this.attrs[otherOp.key];
|
|
}
|
|
} else if ($modifyOp.check(op)) {
|
|
const otherOp = other.attrs[/** @type {any} */ (op.key)];
|
|
if (otherOp == null) ; else if ($modifyOp.check(otherOp)) {
|
|
op._modValue.rebase(otherOp.value, priority);
|
|
} else {
|
|
delete this.attrs[otherOp.key];
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Rebase children.
|
|
*
|
|
* Precedence: insert with higher priority comes first. Op with less priority is transformed to
|
|
* be inserted later.
|
|
*
|
|
* @todo always check if inser OR text
|
|
*/
|
|
/**
|
|
* @type {ChildrenOpAny?}
|
|
*/
|
|
let currChild = this.children.start;
|
|
let currOffset = 0;
|
|
/**
|
|
* @type {ChildrenOpAny?}
|
|
*/
|
|
let otherChild = other.children.start;
|
|
let otherOffset = 0;
|
|
while (currChild != null && otherChild != null) {
|
|
if ($insertOp.check(currChild) || $textOp.check(currChild)) {
|
|
/**
|
|
* Transforming *insert*. If other is..
|
|
* - insert: transform based on priority
|
|
* - retain/delete/modify: transform next op against other
|
|
*/
|
|
if ($insertOp.check(otherChild) || $modifyOp.check(otherChild) || $textOp.check(otherChild)) {
|
|
if (!priority) {
|
|
list.insertBetween(this.children, currChild.prev, currChild, new RetainOp(otherChild.length, null, null));
|
|
this.childCnt += otherChild.length;
|
|
// curr is transformed against other, transform curr against next
|
|
otherOffset = otherChild.length;
|
|
} else {
|
|
// curr stays as is, transform next op
|
|
currOffset = currChild.length;
|
|
}
|
|
} else { // otherChild = delete | retain | modify - curr stays as is, transform next op
|
|
currOffset = currChild.length;
|
|
}
|
|
} else if ($modifyOp.check(currChild)) {
|
|
/**
|
|
* Transforming *modify*. If other is..
|
|
* - insert: adjust position
|
|
* - modify: rebase curr modify on other modify
|
|
* - delete: remove modify
|
|
* - retain: adjust offset
|
|
*/
|
|
if ($insertOp.check(otherChild) || $textOp.check(otherChild)) {
|
|
// @todo: with all list changes (retain insertions, removal), try to merge the surrounding
|
|
// ops later
|
|
list.insertBetween(this.children, currChild.prev, currChild, new RetainOp(otherChild.length, null, null));
|
|
this.childCnt += otherChild.length;
|
|
// curr is transformed against other, transform curr against next
|
|
otherOffset = otherChild.length;
|
|
} else {
|
|
if ($modifyOp.check(otherChild)) {
|
|
/** @type {any} */ (currChild.value).rebase(otherChild, priority);
|
|
} else if ($deleteOp.check(otherChild)) {
|
|
list.remove(this.children, currChild);
|
|
this.childCnt -= 1;
|
|
}
|
|
currOffset += 1;
|
|
otherOffset += 1;
|
|
}
|
|
} else { // DeleteOp | RetainOp
|
|
const maxCommonLen = math.min(currChild.length - currOffset, otherChild.length - otherOffset);
|
|
/**
|
|
* Transforming *retain* OR *delete*. If other is..
|
|
* - retain / modify: adjust offsets
|
|
* - delete: shorten curr op
|
|
* - insert: split curr op and insert retain
|
|
*/
|
|
if ($retainOp.check(otherChild) || $modifyOp.check(otherChild)) {
|
|
currOffset += maxCommonLen;
|
|
otherOffset += maxCommonLen;
|
|
} else if ($deleteOp.check(otherChild)) {
|
|
if ($retainOp.check(currChild)) {
|
|
// @ts-ignore
|
|
currChild.retain -= maxCommonLen;
|
|
} else if ($deleteOp.check(currChild)) {
|
|
currChild.delete -= maxCommonLen;
|
|
}
|
|
this.childCnt -= maxCommonLen;
|
|
} else { // insert/text.check(currOp)
|
|
if (currOffset > 0) {
|
|
const leftPart = currChild.clone(currOffset);
|
|
list.insertBetween(this.children, currChild.prev, currChild, leftPart);
|
|
currChild._splice(currOffset, currChild.length - currOffset);
|
|
currOffset = 0;
|
|
}
|
|
list.insertBetween(this.children, currChild.prev, currChild, new RetainOp(otherChild.length, null, null));
|
|
this.childCnt += otherChild.length;
|
|
otherOffset = otherChild.length;
|
|
}
|
|
}
|
|
if (currOffset >= currChild.length) {
|
|
currChild = currChild.next;
|
|
currOffset = 0;
|
|
}
|
|
if (otherOffset >= otherChild.length) {
|
|
otherChild = otherChild.next;
|
|
otherOffset = 0;
|
|
}
|
|
}
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* Same as doing `delta.rebase(other.inverse())`, without creating a temporary delta.
|
|
*
|
|
* @param {DeltaAny} other
|
|
* @param {boolean} priority
|
|
*/
|
|
rebaseOnInverse (other, priority) {
|
|
modDeltaCheck(this);
|
|
// @todo
|
|
console.info('method rebaseOnInverse unimplemented');
|
|
return this
|
|
}
|
|
|
|
/**
|
|
* Append child ops from one op to the other.
|
|
*
|
|
* delta.create().insert('a').append(delta.create().insert('b')) // => insert "ab"
|
|
*
|
|
* @template {DeltaAny} OtherDelta
|
|
* @param {OtherDelta} other
|
|
* @return {CastToDelta<OtherDelta> extends Delta<any,any,infer OtherChildren,infer OtherText,any> ? DeltaBuilder<NodeName,Attrs,Children|OtherChildren,Text|OtherText,Schema> : never}
|
|
*/
|
|
append (other) {
|
|
const children = this.children;
|
|
const prevLast = children.end;
|
|
// @todo Investigate. Above is a typescript issue. It is necessary to cast OtherDelta to a Delta first before
|
|
// inferring type, otherwise Children will contain Text.
|
|
for (const child of other.children) {
|
|
list.pushEnd(children, child.clone());
|
|
}
|
|
this.childCnt += other.childCnt;
|
|
prevLast?.next && tryMergeWithPrev(children, prevLast.next);
|
|
// @ts-ignore
|
|
return this
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {ChildrenOpAny} op
|
|
* @param {{[k:string]:any}} formatUpdate
|
|
*/
|
|
const updateOpFormat = (op, formatUpdate) => {
|
|
if (!$deleteOp.check(op)) {
|
|
// apply formatting attributes
|
|
for (const k in formatUpdate) {
|
|
const v = formatUpdate[k];
|
|
if (v != null || $retainOp.check(op)) {
|
|
// never modify formats
|
|
/** @type {any} */ (op).format = object.assign({}, op.format, { [k]: v });
|
|
} else if (op.format != null) {
|
|
const { [k]: _, ...rest } = op.format
|
|
;/** @type {any} */ (op).format = rest;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @template {DeltaAny} D
|
|
* @typedef {D extends DeltaBuilder<infer N,infer Attrs,infer Children,infer Text,infer Schema> ? Delta<N,Attrs,Children,Text,Schema> : D} CastToDelta
|
|
*/
|
|
|
|
/**
|
|
* @template {string} NodeName
|
|
* @template {{ [key: string|number]: any }} [Attrs={}]
|
|
* @template {fingerprintTrait.Fingerprintable|never} [Children=never]
|
|
* @template {string|never} [Text=never]
|
|
* @typedef {Delta<NodeName,Attrs,Children|Delta<NodeName,Attrs,Children,Text>|RecursiveDelta<NodeName,Attrs,Children,Text>,Text>} RecursiveDelta
|
|
*/
|
|
|
|
/**
|
|
* @template {string} Name
|
|
* @template {{[k:string|number]:any}} Attrs
|
|
* @template {fingerprintTrait.Fingerprintable} Children
|
|
* @template {boolean} HasText
|
|
* @template {{ [k:string]:any }} Formats
|
|
* @template {boolean} Recursive
|
|
* @extends {s.Schema<Delta<
|
|
* Name,
|
|
* Attrs,
|
|
* Children|(Recursive extends true ? RecursiveDelta<Name,Attrs,Children,HasText extends true ? string : never> : never),
|
|
* HasText extends true ? string : never,
|
|
* any>>}
|
|
*/
|
|
class $Delta extends schema.Schema {
|
|
/**
|
|
* @param {s.Schema<Name>} $name
|
|
* @param {s.Schema<Attrs>} $attrs
|
|
* @param {s.Schema<Children>} $children
|
|
* @param {HasText} hasText
|
|
* @param {s.Schema<Formats>} $formats
|
|
* @param {Recursive} recursive
|
|
*/
|
|
constructor ($name, $attrs, $children, hasText, $formats, recursive) {
|
|
super();
|
|
const $attrsPartial = schema.$$object.check($attrs) ? $attrs.partial : $attrs;
|
|
if (recursive) {
|
|
// @ts-ignore
|
|
$children = schema.$union($children, this);
|
|
}
|
|
this.shape = { $name, $attrs: $attrsPartial, $children, hasText, $formats };
|
|
}
|
|
|
|
/**
|
|
* @param {any} o
|
|
* @param {s.ValidationError} [err]
|
|
* @return {o is Delta<
|
|
* Name,
|
|
* Attrs,
|
|
* Children|(Recursive extends true ? RecursiveDelta<Name,Attrs,Children,HasText extends true ? string : never> : never),
|
|
* HasText extends true ? string : never,
|
|
* any>}
|
|
*/
|
|
check (o, err = undefined) {
|
|
const { $name, $attrs, $children, hasText, $formats } = this.shape;
|
|
if (!(o instanceof Delta)) {
|
|
err?.extend(null, 'Delta', o?.constructor.name, 'Constructor match failed');
|
|
} else if (o.name != null && !$name.check(o.name, err)) {
|
|
err?.extend('Delta.name', $name.toString(), o.name, 'Unexpected node name');
|
|
} else if (list.toArray(o.children).some(c => (!hasText && $textOp.check(c)) || (hasText && $textOp.check(c) && c.format != null && !$formats.check(c.format)) || ($insertOp.check(c) && !c.insert.every(ins => $children.check(ins))))) {
|
|
err?.extend('Delta.children', '', '', 'Children don\'t match the schema');
|
|
} else if (object.some(o.attrs, (op, k) => $insertOp.check(op) && !$attrs.check({ [k]: op.value }, err))) {
|
|
err?.extend('Delta.attrs', '', '', 'Attrs don\'t match the schema');
|
|
} else {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template {s.Schema<string>|string|Array<string>} [NodeNameSchema=s.Schema<any>]
|
|
* @template {s.Schema<{ [key: string|number]: any }>|{ [key:string|number]:any }} [AttrsSchema=s.Schema<{}>]
|
|
* @template {any} [ChildrenSchema=s.Schema<never>]
|
|
* @template {boolean} [HasText=false]
|
|
* @template {boolean} [Recursive=false]
|
|
* @template {{ [k:string]:any }} [Formats={[k:string]:any}]
|
|
* @param {object} opts
|
|
* @param {NodeNameSchema?} [opts.name]
|
|
* @param {AttrsSchema?} [opts.attrs] What key-value pairs are included.
|
|
* @param {ChildrenSchema?} [opts.children] The type of content in `insertOp`
|
|
* @param {HasText} [opts.text] Whether this delta contains text using `textOp`
|
|
* @param {Formats} [opts.formats]
|
|
* @param {Recursive} [opts.recursive]
|
|
* @return {[s.Unwrap<s.ReadSchema<NodeNameSchema>>,s.Unwrap<s.ReadSchema<AttrsSchema>>,s.Unwrap<s.ReadSchema<ChildrenSchema>>] extends [infer NodeName, infer Attrs, infer Children] ? s.Schema<Delta<
|
|
* NodeName,
|
|
* Attrs,
|
|
* Children|(Recursive extends true ? RecursiveDelta<NodeName,Attrs,Children,HasText extends true ? string : never> : never),
|
|
* HasText extends true ? string : never
|
|
* >> : never}
|
|
*/
|
|
const $delta = ({ name, attrs, children, text, formats, recursive }) => /** @type {any} */ (new $Delta(
|
|
name == null ? schema.$any : schema.$(name),
|
|
/** @type {any} */ (attrs == null ? schema.$object({}) : schema.$(attrs)),
|
|
/** @type {any} */ (children == null ? schema.$never : schema.$(children)),
|
|
text ?? false,
|
|
formats == null ? schema.$any : schema.$(formats),
|
|
recursive ?? false
|
|
));
|
|
|
|
const $$delta = schema.$constructedBy($Delta);
|
|
|
|
/**
|
|
* @todo remove this
|
|
*
|
|
* @template {s.Schema<string>|string|Array<string>} [NodeNameSchema=s.Schema<any>]
|
|
* @template {s.Schema<{ [key: string|number]: any }>|{ [key:string|number]:any }} [AttrsSchema=s.Schema<{}>]
|
|
* @template {any} [ChildrenSchema=s.Schema<never>]
|
|
* @template {boolean} [HasText=false]
|
|
* @template {boolean} [Recursive=false]
|
|
* @param {object} opts
|
|
* @param {NodeNameSchema?} [opts.name]
|
|
* @param {AttrsSchema?} [opts.attrs]
|
|
* @param {ChildrenSchema?} [opts.children]
|
|
* @param {HasText} [opts.text]
|
|
* @param {Recursive} [opts.recursive]
|
|
* @return {[s.Unwrap<s.ReadSchema<NodeNameSchema>>,s.Unwrap<s.ReadSchema<AttrsSchema>>,s.Unwrap<s.ReadSchema<ChildrenSchema>>] extends [infer NodeName, infer Attrs, infer Children] ? s.Schema<Delta<
|
|
* NodeName,
|
|
* Attrs,
|
|
* Children|(Recursive extends true ? RecursiveDelta<NodeName,Attrs,Children,HasText extends true ? string : never> : never),
|
|
* HasText extends true ? string : never
|
|
* >> : never}
|
|
*/
|
|
const _$delta = ({ name, attrs, children, text, recursive }) => {
|
|
/**
|
|
* @type {s.Schema<Array<any>>}
|
|
*/
|
|
let $arrContent = children == null ? schema.$never : schema.$array(schema.$(children));
|
|
const $name = name == null ? schema.$any : schema.$(name);
|
|
const $attrsPartial = attrs == null ? schema.$object({}) : (schema.$$record.check(attrs) ? attrs : /** @type {any} */ (schema.$(attrs)).partial);
|
|
const $d = schema.$instanceOf(Delta, /** @param {Delta<any,any,any,any,any>} d */ d => {
|
|
if (
|
|
!$name.check(d.name) ||
|
|
object.some(d.attrs,
|
|
(op, k) => $insertOp.check(op) && !$attrsPartial.check({ [k]: op.value })
|
|
)
|
|
) return false
|
|
for (const op of d.children) {
|
|
if ((!text && $textOp.check(op)) || ($insertOp.check(op) && !$arrContent.check(op.insert))) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
});
|
|
if (recursive) {
|
|
$arrContent = children == null ? schema.$array($d) : schema.$array(schema.$(children), $d);
|
|
}
|
|
return /** @type {any} */ ($d)
|
|
};
|
|
|
|
/**
|
|
* @type {s.Schema<DeltaAny>}
|
|
*/
|
|
const $deltaAny = /** @type {any} */ (schema.$instanceOf(Delta));
|
|
|
|
/**
|
|
* @type {s.Schema<DeltaBuilderAny>}
|
|
*/
|
|
const $deltaBuilderAny = /** @type {any} */ (schema.$instanceOf(DeltaBuilder));
|
|
|
|
/**
|
|
* Helper function to merge attribution and attributes. The latter input "wins".
|
|
*
|
|
* @template {{ [key: string]: any }} T
|
|
* @param {T | null} a
|
|
* @param {T | null} b
|
|
*/
|
|
const mergeAttrs = (a, b) => object.isEmpty(a)
|
|
? (object.isEmpty(b) ? null : b)
|
|
: (object.isEmpty(b) ? a : object.assign({}, a, b));
|
|
|
|
/**
|
|
* @template {DeltaAny|null} D
|
|
* @param {D} a
|
|
* @param {D} b
|
|
* @return {D}
|
|
*/
|
|
const mergeDeltas = (a, b) => {
|
|
if (a != null && b != null) {
|
|
const c = clone(a);
|
|
c.apply(b);
|
|
return /** @type {any} */ (c)
|
|
}
|
|
return a == null ? b : (a || null)
|
|
};
|
|
|
|
/**
|
|
* @template {DeltaAny} D
|
|
* @param {prng.PRNG} gen
|
|
* @param {s.Schema<D>} $d
|
|
* @return {D extends Delta<infer NodeName,infer Attrs,infer Children,infer Text,infer Schema> ? DeltaBuilder<NodeName,Attrs,Children,Text,Schema> : never}
|
|
*/
|
|
const random = (gen, $d) => {
|
|
const { $name, $attrs, $children, hasText, $formats: $formats_ } = /** @type {$Delta<any,any,any,boolean,any,any>} */ (/** @type {any} */ ($d)).shape;
|
|
const d = schema.$$any.check($name) ? create($deltaAny) : create(schema.random(gen, $name), $deltaAny);
|
|
const $formats = schema.$$any.check($formats_) ? schema.$null : $formats_;
|
|
prng.bool(gen) && d.setMany(schema.random(gen, $attrs));
|
|
for (let i = prng.uint32(gen, 0, 5); i > 0; i--) {
|
|
if (hasText && prng.bool(gen)) {
|
|
d.insert(prng.word(gen), schema.random(gen, $formats));
|
|
} else if (!schema.$$never.check($children)) {
|
|
/**
|
|
* @type {Array<any>}
|
|
*/
|
|
const ins = [];
|
|
let insN = prng.int32(gen, 0, 5);
|
|
while (insN--) {
|
|
ins.push(schema.random(gen, $children));
|
|
}
|
|
d.insert(ins, schema.random(gen, $formats));
|
|
}
|
|
}
|
|
return /** @type {any} */ (d)
|
|
};
|
|
|
|
/**
|
|
* @overload
|
|
* @return {DeltaBuilder<any,{},never,never,null>}
|
|
*/
|
|
/**
|
|
* @template {string} NodeName
|
|
* @overload
|
|
* @param {NodeName} nodeName
|
|
* @return {DeltaBuilder<NodeName,{},never,never,null>}
|
|
*/
|
|
/**
|
|
* @template {string} NodeName
|
|
* @template {s.Schema<DeltaAny>} Schema
|
|
* @overload
|
|
* @param {NodeName} nodeName
|
|
* @param {Schema} schema
|
|
* @return {Schema extends s.Schema<Delta<infer N,infer Attrs,infer Children,infer Text,any>> ? DeltaBuilder<NodeName,Attrs,Children,Text,Schema> : never}
|
|
*/
|
|
/**
|
|
* @template {s.Schema<DeltaAny>} Schema
|
|
* @overload
|
|
* @param {Schema} schema
|
|
* @return {Schema extends s.Schema<Delta<infer N,infer Attrs,infer Children,infer Text,any>> ? DeltaBuilder<N,Attrs,Children,Text,Schema> : never}
|
|
*/
|
|
/**
|
|
* @template {string|null} NodeName
|
|
* @template {{[k:string|number]:any}|null} Attrs
|
|
* @template {Array<any>|string} [Children=never]
|
|
* @overload
|
|
* @param {NodeName} nodeName
|
|
* @param {Attrs} attrs
|
|
* @param {Children} [children]
|
|
* @return {DeltaBuilder<
|
|
* NodeName extends null ? any : NodeName,
|
|
* Attrs extends null ? {} : Attrs,
|
|
* Extract<Children,Array<any>> extends Array<infer Ac> ? (unknown extends Ac ? never : Ac) : never,
|
|
* Extract<Children,string>,
|
|
* null
|
|
* >}
|
|
*/
|
|
/**
|
|
* @param {string|s.Schema<DeltaAny>} [nodeNameOrSchema]
|
|
* @param {{[K:string|number]:any}|s.Schema<DeltaAny>} [attrsOrSchema]
|
|
* @param {(Array<any>|string)} [children]
|
|
* @return {DeltaBuilder<any,any,any,any,any>}
|
|
*/
|
|
const create = (nodeNameOrSchema, attrsOrSchema, children) => {
|
|
const nodeName = /** @type {any} */ (schema.$string.check(nodeNameOrSchema) ? nodeNameOrSchema : null);
|
|
const schema$1 = /** @type {any} */ (schema.$$schema.check(nodeNameOrSchema) ? nodeNameOrSchema : (schema.$$schema.check(attrsOrSchema) ? attrsOrSchema : null));
|
|
const d = /** @type {DeltaBuilder<any,any,any,string,null>} */ (new DeltaBuilder(nodeName, schema$1));
|
|
if (schema.$objectAny.check(attrsOrSchema)) {
|
|
d.setMany(attrsOrSchema);
|
|
}
|
|
children && d.insert(children);
|
|
return d
|
|
};
|
|
|
|
// DELTA TEXT
|
|
|
|
/**
|
|
* @template {fingerprintTrait.Fingerprintable} [Embeds=never]
|
|
* @typedef {Delta<any,{},Embeds,string>} TextDelta
|
|
*/
|
|
|
|
/**
|
|
* @template {fingerprintTrait.Fingerprintable} [Embeds=never]
|
|
* @typedef {DeltaBuilder<any,{},Embeds,string>} TextDeltaBuilder
|
|
*/
|
|
|
|
/**
|
|
* @template {Array<s.Schema<any>>} [$Embeds=any]
|
|
* @param {$Embeds} $embeds
|
|
* @return {s.Schema<TextDelta<_AnyToNull<$Embeds> extends null ? never : ($Embeds extends Array<s.Schema<infer $C>> ? $C : never)>>}
|
|
*/
|
|
const $text = (...$embeds) => /** @type {any} */ ($delta({ children: schema.$union(...$embeds), text: true }));
|
|
const $textOnly = $text();
|
|
|
|
/**
|
|
* @template {s.Schema<Delta<any,{},any,any,null>>} [Schema=s.Schema<Delta<any,{},never,string,null>>]
|
|
* @param {Schema} [$schema]
|
|
* @return {Schema extends s.Schema<Delta<infer N,infer Attrs,infer Children,infer Text,any>> ? DeltaBuilder<N,Attrs,Children,Text,Schema> : never}
|
|
*/
|
|
const text = $schema => /** @type {any} */ (create($schema || $textOnly));
|
|
|
|
/**
|
|
* @template {fingerprintTrait.Fingerprintable} Children
|
|
* @typedef {Delta<any,{},Children,never>} ArrayDelta
|
|
*/
|
|
|
|
/**
|
|
* @template {fingerprintTrait.Fingerprintable} Children
|
|
* @typedef {DeltaBuilder<any,{},Children,never>} ArrayDeltaBuilder
|
|
*/
|
|
|
|
/**
|
|
* @template {any|s.Schema<any>} $Children
|
|
* @param {$Children} [$children]
|
|
* @return {s.Schema<ArrayDelta<s.Unwrap<s.ReadSchema<$Children>>>>}
|
|
*/
|
|
const $array = $children => /** @type {any} */ ($delta({ children: $children }));
|
|
|
|
/**
|
|
* @template {s.Schema<ArrayDelta<any>>} [$Schema=never]
|
|
* @param {$Schema} $schema
|
|
* @return {$Schema extends never ? ArrayDeltaBuilder<never> : DeltaBuilder<any,{},never,never,$Schema>}
|
|
*/
|
|
const array = $schema => /** @type {any} */ ($schema ? create($schema) : create());
|
|
|
|
/**
|
|
* @template {{ [K: string|number]: any }} Attrs
|
|
* @typedef {Delta<any,Attrs,never,never>} MapDelta
|
|
*/
|
|
|
|
/**
|
|
* @template {{ [K: string|number]: any }} Attrs
|
|
* @typedef {DeltaBuilder<any,Attrs,never,never>} MapDeltaBuilder
|
|
*/
|
|
|
|
/**
|
|
* @template {{ [K: string|number]: any }} $Attrs
|
|
* @param {s.Schema<$Attrs>} $attrs
|
|
* @return {s.Schema<MapDelta<$Attrs>>}
|
|
*/
|
|
const $map = $attrs => /** @type {any} */ ($delta({ attrs: $attrs }));
|
|
|
|
/**
|
|
* @template {s.Schema<MapDelta<any>>|undefined} [$Schema=undefined]
|
|
* @param {$Schema} [$schema]
|
|
* @return {$Schema extends s.Schema<MapDelta<infer Attrs>> ? DeltaBuilder<any,Attrs,never,never,$Schema> : MapDeltaBuilder<{}>}
|
|
*/
|
|
const map = $schema => /** @type {any} */ (create(/** @type {any} */ ($schema)));
|
|
|
|
/**
|
|
* @template {DeltaAny} D
|
|
* @param {D} d1
|
|
* @param {NoInfer<D>} d2
|
|
* @return {D extends Delta<infer N,infer Attrs,infer Children,infer Text,any> ? DeltaBuilder<N,Attrs,Children,Text,null> : never}
|
|
*/
|
|
const diff = (d1, d2) => {
|
|
/**
|
|
* @type {DeltaBuilderAny}
|
|
*/
|
|
const d = create();
|
|
if (d1.fingerprint !== d2.fingerprint) {
|
|
let left1 = d1.children.start;
|
|
let left2 = d2.children.start;
|
|
let right1 = d1.children.end;
|
|
let right2 = d2.children.end;
|
|
let commonPrefixOffset = 0;
|
|
// perform a patience sort
|
|
// 1) remove common prefix and suffix
|
|
while (left1 != null && left1.fingerprint === left2?.fingerprint) {
|
|
if (!$deleteOp.check(left1)) {
|
|
commonPrefixOffset += left1.length;
|
|
}
|
|
left1 = left1.next;
|
|
left2 = left2.next;
|
|
}
|
|
while (right1 !== null && right1 !== left1 && right1.fingerprint === right2?.fingerprint) {
|
|
right1 = right1.prev;
|
|
right2 = right2.prev;
|
|
}
|
|
/**
|
|
* @type {Array<ChildrenOpAny>}
|
|
*/
|
|
const ops1 = [];
|
|
/**
|
|
* @type {Array<ChildrenOpAny>}
|
|
*/
|
|
const ops2 = [];
|
|
while (left1 !== null && left1 !== right1?.next) {
|
|
ops1.push(left1);
|
|
left1 = left1.next;
|
|
}
|
|
while (left2 !== null && left2 !== right2?.next) {
|
|
ops2.push(left2);
|
|
left2 = left2.next;
|
|
}
|
|
const fprints1 = ops1.map(op => op.fingerprint);
|
|
const fprints2 = ops2.map(op => op.fingerprint);
|
|
const changeset = patience.diff(fprints1, fprints2);
|
|
d.retain(commonPrefixOffset);
|
|
for (let i = 0, lastIndex1 = 0, currIndexOffset2 = 0; i < changeset.length; i++) {
|
|
const change = changeset[i];
|
|
d.retain(change.index - lastIndex1);
|
|
// insert minimal diff at curred position in d
|
|
/**
|
|
*
|
|
* @todo it would be better if these would be slices of delta (an actual delta)
|
|
*
|
|
* @param {ChildrenOpAny[]} opsIs
|
|
* @param {ChildrenOpAny[]} opsShould
|
|
*/
|
|
const diffAndApply = (opsIs, opsShould) => {
|
|
const d = create();
|
|
// @todo unoptimized implementation. Convert content to array and diff that based on
|
|
// generated fingerprints. We probably could do better and cache more information.
|
|
// - benchmark
|
|
// - cache fingerprints in ops
|
|
/**
|
|
* @type {Array<string|DeltaAny|fingerprintTrait.Fingerprintable>}
|
|
*/
|
|
const isContent = opsIs.flatMap(op => $insertOp.check(op) ? op.insert : ($textOp.check(op) ? op.insert.split('') : error.unexpectedCase()));
|
|
/**
|
|
* @type {Array<string|DeltaAny|fingerprintTrait.Fingerprintable>}
|
|
*/
|
|
const shouldContent = opsShould.flatMap(op => $insertOp.check(op) ? op.insert : ($textOp.check(op) ? op.insert.split('') : error.unexpectedCase()));
|
|
const isContentFingerprinted = isContent.map(c => schema.$string.check(c) ? c : fingerprint.fingerprint(c));
|
|
const shouldContentFingerprinted = shouldContent.map(c => schema.$string.check(c) ? c : fingerprint.fingerprint(c));
|
|
const hasFormatting = opsIs.some(op => !$deleteOp.check(op) && op.format != null) || opsShould.some(op => !$deleteOp.check(op) && op.format != null);
|
|
/**
|
|
* @type {{ index: number, insert: Array<string|DeltaAny|fingerprintTrait.Fingerprintable>, remove: Array<string|DeltaAny|fingerprintTrait.Fingerprintable> }[]}
|
|
*/
|
|
const cdiff = patience.diff(isContentFingerprinted, shouldContentFingerprinted);
|
|
// overwrite fingerprinted content with actual content
|
|
for (let i = 0, adj = 0; i < cdiff.length; i++) {
|
|
const cd = cdiff[i];
|
|
cd.remove = isContent.slice(cd.index, cd.index + cd.remove.length);
|
|
cd.insert = shouldContent.slice(cd.index + adj, cd.index + adj + cd.insert.length);
|
|
adj += cd.insert.length - cd.remove.length;
|
|
}
|
|
for (let i = 0, lastIndex = 0; i < cdiff.length; i++) {
|
|
const cd = cdiff[i];
|
|
d.retain(cd.index - lastIndex);
|
|
lastIndex = cd.index;
|
|
let cdii = 0;
|
|
let cdri = 0;
|
|
// try to match as much content as possible, preferring to skip over non-deltas
|
|
for (; cdii < cd.insert.length && cdri < cd.remove.length;) {
|
|
const a = cd.insert[cdii];
|
|
const b = cd.remove[cdri];
|
|
if ($deltaAny.check(a) && $deltaAny.check(b) && a.name === b.name) {
|
|
d.modify(diff(b, a));
|
|
cdii++;
|
|
cdri++;
|
|
} else if ($deltaAny.check(b)) {
|
|
d.insert(schema.$string.check(a) ? a : [a]);
|
|
cdii++;
|
|
} else {
|
|
d.delete(1);
|
|
cdri++;
|
|
}
|
|
}
|
|
for (; cdii < cd.insert.length; cdii++) {
|
|
const a = cd.insert[cdii];
|
|
d.insert(schema.$string.check(a) ? a : [a]);
|
|
}
|
|
d.delete(cd.remove.length - cdri);
|
|
}
|
|
// create the diff for formatting
|
|
if (hasFormatting) {
|
|
const formattingDiff = create();
|
|
// update opsIs with content diff. then we can figure out the formatting diff.
|
|
const isUpdated = create();
|
|
// copy opsIs to fresh delta
|
|
opsIs.forEach(op => {
|
|
isUpdated.childCnt += op.length;
|
|
list.pushEnd(isUpdated.children, op.clone());
|
|
});
|
|
isUpdated.apply(d);
|
|
let shouldI = 0;
|
|
let shouldOffset = 0;
|
|
let isOp = isUpdated.children.start;
|
|
let isOffset = 0;
|
|
while (shouldI < opsShould.length && isOp != null) {
|
|
const shouldOp = opsShould[shouldI];
|
|
if (!$deleteOp.check(shouldOp) && !$deleteOp.check(isOp)) {
|
|
const isFormat = isOp.format;
|
|
const minForward = math.min(shouldOp.length - shouldOffset, isOp.length - isOffset);
|
|
shouldOffset += minForward;
|
|
isOffset += minForward;
|
|
if (_function.equalityDeep(shouldOp.format, isFormat)) {
|
|
formattingDiff.retain(minForward);
|
|
} else {
|
|
/**
|
|
* @type {FormattingAttributes}
|
|
*/
|
|
const fupdate = {};
|
|
shouldOp.format != null && object.forEach(shouldOp.format, (v, k) => {
|
|
if (!_function.equalityDeep(v, isFormat?.[k] || null)) {
|
|
fupdate[k] = v;
|
|
}
|
|
});
|
|
isFormat && object.forEach(isFormat, (_, k) => {
|
|
if (shouldOp?.format?.[k] === undefined) {
|
|
fupdate[k] = null;
|
|
}
|
|
});
|
|
formattingDiff.retain(minForward, fupdate);
|
|
}
|
|
// update offset and iterators
|
|
if (shouldOffset >= shouldOp.length) {
|
|
shouldI++;
|
|
shouldOffset = 0;
|
|
}
|
|
if (isOffset >= isOp.length) {
|
|
isOp = isOp.next;
|
|
isOffset = 0;
|
|
}
|
|
}
|
|
}
|
|
d.apply(formattingDiff);
|
|
}
|
|
return d
|
|
};
|
|
const subd = diffAndApply(ops1.slice(change.index, change.index + change.remove.length), ops2.slice(change.index + currIndexOffset2, change.index + currIndexOffset2 + change.insert.length));
|
|
d.append(subd);
|
|
lastIndex1 = change.index + change.remove.length;
|
|
currIndexOffset2 += change.insert.length - change.remove.length;
|
|
}
|
|
for (const attr2 of d2.attrs) {
|
|
const attr1 = d1.attrs[attr2.key];
|
|
if (attr1 == null || (attr1.fingerprint !== attr2.fingerprint)) {
|
|
/* c8 ignore else */
|
|
if ($insertOp.check(attr2)) {
|
|
d.set(attr2.key, attr2.value);
|
|
} else {
|
|
/* c8 ignore next 2 */
|
|
error.unexpectedCase();
|
|
}
|
|
}
|
|
}
|
|
for (const attr1 of d1.attrs) {
|
|
if (d2.attrs[attr1.key] == null) {
|
|
d.unset(attr1.key);
|
|
}
|
|
}
|
|
}
|
|
return /** @type {any} */ (d.done(false))
|
|
};
|
|
|
|
exports.$$delta = $$delta;
|
|
exports.$Delta = $Delta;
|
|
exports.$anyOp = $anyOp;
|
|
exports.$array = $array;
|
|
exports.$attribution = $attribution;
|
|
exports.$deleteOp = $deleteOp;
|
|
exports.$delta = $delta;
|
|
exports.$deltaAny = $deltaAny;
|
|
exports.$deltaBuilderAny = $deltaBuilderAny;
|
|
exports.$deltaMapChangeJson = $deltaMapChangeJson;
|
|
exports.$insertOp = $insertOp;
|
|
exports.$insertOpWith = $insertOpWith;
|
|
exports.$map = $map;
|
|
exports.$modifyOp = $modifyOp;
|
|
exports.$modifyOpWith = $modifyOpWith;
|
|
exports.$retainOp = $retainOp;
|
|
exports.$text = $text;
|
|
exports.$textOnly = $textOnly;
|
|
exports.$textOp = $textOp;
|
|
exports.AttrDeleteOp = AttrDeleteOp;
|
|
exports.AttrInsertOp = AttrInsertOp;
|
|
exports.AttrModifyOp = AttrModifyOp;
|
|
exports.DeleteOp = DeleteOp;
|
|
exports.Delta = Delta;
|
|
exports.DeltaBuilder = DeltaBuilder;
|
|
exports.InsertOp = InsertOp;
|
|
exports.ModifyOp = ModifyOp;
|
|
exports.RetainOp = RetainOp;
|
|
exports.TextOp = TextOp;
|
|
exports._$delta = _$delta;
|
|
exports.array = array;
|
|
exports.clone = clone;
|
|
exports.create = create;
|
|
exports.diff = diff;
|
|
exports.map = map;
|
|
exports.mergeAttrs = mergeAttrs;
|
|
exports.mergeDeltas = mergeDeltas;
|
|
exports.random = random;
|
|
exports.text = text;
|
|
//# sourceMappingURL=delta.cjs.map
|