implemented frontend including separate message system; started to implement backend

yjs-poll/node_modules/lib0/dist/function-314580f7.cjs

@@ -0,0 +1,223 @@
+'use strict';
+
+var array = require('./array-78849c95.cjs');
+var object = require('./object-c0c9435b.cjs');
+var equality = require('./equality.cjs');
+
+/**
+ * Common functions and function call helpers.
+ *
+ * @module function
+ */
+
+/**
+ * Calls all functions in `fs` with args. Only throws after all functions were called.
+ *
+ * @param {Array<function>} fs
+ * @param {Array<any>} args
+ */
+const callAll = (fs, args, i = 0) => {
+  try {
+    for (; i < fs.length; i++) {
+      fs[i](...args);
+    }
+  } finally {
+    if (i < fs.length) {
+      callAll(fs, args, i + 1);
+    }
+  }
+};
+
+const nop = () => {};
+
+/**
+ * @template T
+ * @param {function():T} f
+ * @return {T}
+ */
+const apply = f => f();
+
+/**
+ * @template A
+ *
+ * @param {A} a
+ * @return {A}
+ */
+const id = a => a;
+
+/**
+ * @template T
+ *
+ * @param {T} a
+ * @param {T} b
+ * @return {boolean}
+ */
+const equalityStrict = (a, b) => a === b;
+
+/**
+ * @template T
+ *
+ * @param {Array<T>|object} a
+ * @param {Array<T>|object} b
+ * @return {boolean}
+ */
+const equalityFlat = (a, b) => a === b || (a != null && b != null && a.constructor === b.constructor && ((array.isArray(a) && array.equalFlat(a, /** @type {Array<T>} */ (b))) || (typeof a === 'object' && object.equalFlat(a, b))));
+
+/* c8 ignore start */
+
+/**
+ * @param {any} a
+ * @param {any} b
+ * @return {boolean}
+ */
+const equalityDeep = (a, b) => {
+  if (a === b) {
+    return true
+  }
+  if (a == null || b == null || (a.constructor !== b.constructor && (a.constructor || Object) !== (b.constructor || Object))) {
+    return false
+  }
+  if (a[equality.EqualityTraitSymbol] != null) {
+    return a[equality.EqualityTraitSymbol](b)
+  }
+  switch (a.constructor) {
+    case ArrayBuffer:
+      a = new Uint8Array(a);
+      b = new Uint8Array(b);
+    // eslint-disable-next-line no-fallthrough
+    case Uint8Array: {
+      if (a.byteLength !== b.byteLength) {
+        return false
+      }
+      for (let i = 0; i < a.length; i++) {
+        if (a[i] !== b[i]) {
+          return false
+        }
+      }
+      break
+    }
+    case Set: {
+      if (a.size !== b.size) {
+        return false
+      }
+      for (const value of a) {
+        if (!b.has(value)) {
+          return false
+        }
+      }
+      break
+    }
+    case Map: {
+      if (a.size !== b.size) {
+        return false
+      }
+      for (const key of a.keys()) {
+        if (!b.has(key) || !equalityDeep(a.get(key), b.get(key))) {
+          return false
+        }
+      }
+      break
+    }
+    case undefined:
+    case Object:
+      if (object.size(a) !== object.size(b)) {
+        return false
+      }
+      for (const key in a) {
+        if (!object.hasProperty(a, key) || !equalityDeep(a[key], b[key])) {
+          return false
+        }
+      }
+      break
+    case Array:
+      if (a.length !== b.length) {
+        return false
+      }
+      for (let i = 0; i < a.length; i++) {
+        if (!equalityDeep(a[i], b[i])) {
+          return false
+        }
+      }
+      break
+    default:
+      return false
+  }
+  return true
+};
+
+/**
+ * @template V
+ * @template {V} OPTS
+ *
+ * @param {V} value
+ * @param {Array<OPTS>} options
+ */
+// @ts-ignore
+const isOneOf = (value, options) => options.includes(value);
+/* c8 ignore stop */
+
+const isArray = array.isArray;
+
+/**
+ * @param {any} s
+ * @return {s is String}
+ */
+const isString = (s) => s && s.constructor === String;
+
+/**
+ * @param {any} n
+ * @return {n is Number}
+ */
+const isNumber = n => n != null && n.constructor === Number;
+
+/**
+ * @template {abstract new (...args: any) => any} TYPE
+ * @param {any} n
+ * @param {TYPE} T
+ * @return {n is InstanceType<TYPE>}
+ */
+const is = (n, T) => n && n.constructor === T;
+
+/**
+ * @template {abstract new (...args: any) => any} TYPE
+ * @param {TYPE} T
+ */
+const isTemplate = (T) =>
+  /**
+   * @param {any} n
+   * @return {n is InstanceType<TYPE>}
+   **/
+  n => n && n.constructor === T;
+
+var _function = /*#__PURE__*/Object.freeze({
+  __proto__: null,
+  callAll: callAll,
+  nop: nop,
+  apply: apply,
+  id: id,
+  equalityStrict: equalityStrict,
+  equalityFlat: equalityFlat,
+  equalityDeep: equalityDeep,
+  isOneOf: isOneOf,
+  isArray: isArray,
+  isString: isString,
+  isNumber: isNumber,
+  is: is,
+  isTemplate: isTemplate
+});
+
+exports._function = _function;
+exports.apply = apply;
+exports.callAll = callAll;
+exports.equalityDeep = equalityDeep;
+exports.equalityFlat = equalityFlat;
+exports.equalityStrict = equalityStrict;
+exports.id = id;
+exports.is = is;
+exports.isArray = isArray;
+exports.isNumber = isNumber;
+exports.isOneOf = isOneOf;
+exports.isString = isString;
+exports.isTemplate = isTemplate;
+exports.nop = nop;
+//# sourceMappingURL=function-314580f7.cjs.map