forked from quic-issues/427e7578-d7bf-49c8-aee9-2dd999e25316
90 lines
2.7 KiB
JavaScript
90 lines
2.7 KiB
JavaScript
#!/usr/bin/env node
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import * as fs from 'fs'
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import * as object from '../object.js'
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import * as env from '../environment.js'
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const script = env.getParam('--script', './test.js')
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const includeDeps = env.getParam('--include-dependencies', '').split(',').filter(d => d.length)
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const customImportsPath = env.getParam('--custom-imports', '')
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/**
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* @type {Object<string,string>}
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*/
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const exports = {}
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/**
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* @type {Object<string,Object<string,string>>}
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*/
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const scopes = {}
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/**
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* @param {any} v
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* @param {string} k
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* @param {string} pkgName
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* @param {string} pathPrefix
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* @param {Object<string,string>} importMap
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*/
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const extractModMap = (v, k, pkgName, pathPrefix, importMap) => {
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if (k[0] !== '.') return
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if (typeof v === 'object') {
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extractModMap(v.browser || v.import || v.module || v.default, k, pkgName, pathPrefix, importMap)
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} else if (v && v[0] === '.') {
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importMap[pkgName + k.slice(1)] = pathPrefix + v.slice(1)
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}
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}
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/**
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* @param {string} s
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*/
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const _maybeAddRelPrefix = s => (s[0] !== '.' ? './' : '') + s
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/**
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* @param {any} pkgJson
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* @param {string} pathPrefix
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* @param {Object<string,string>} importMap
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*/
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const readPkg = (pkgJson, pathPrefix, importMap) => {
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if (pkgJson.exports == null && pkgJson.main != null) {
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importMap[pkgJson.name] = pathPrefix + _maybeAddRelPrefix(pkgJson.main).slice(1)
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}
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object.forEach(pkgJson.exports, (v, k) => extractModMap(v, k, pkgJson.name, pathPrefix, importMap))
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object.forEach(pkgJson.dependencies, (_v, depName) => {
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const nextImportMap = pathPrefix === '.' ? exports : (scopes[pathPrefix + '/'] || (scopes[pathPrefix + '/'] = {}))
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const prefix = `./node_modules/${depName}`
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const depPkgJson = JSON.parse(fs.readFileSync(prefix + '/package.json', { encoding: 'utf8' }))
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readPkg(depPkgJson, prefix, nextImportMap)
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})
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}
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const rootPkgJson = JSON.parse(fs.readFileSync('./package.json', { encoding: 'utf8' }))
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readPkg(rootPkgJson, '.', exports)
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includeDeps.forEach(depName => {
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const prefix = `./node_modules/${depName}`
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const depPkgJson = JSON.parse(fs.readFileSync(`${prefix}/package.json`, { encoding: 'utf8' }))
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readPkg(depPkgJson, prefix, exports)
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})
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const customImports = {}
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if (customImportsPath !== '') {
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object.assign(customImports, JSON.parse(fs.readFileSync(customImportsPath, { encoding: 'utf8' })))
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}
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const testHtml = `
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<!DOCTYPE html>
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<html>
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<head>
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<title>Testing ${rootPkgJson.name}</title>
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<script type="importmap">
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{
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"imports": ${JSON.stringify(object.assign({}, exports, customImports), null, 2)},
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"scopes": ${JSON.stringify(scopes, null, 2)}
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}
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</script>
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</head>
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<body>
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<script type="module" src="${script}"></script>
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</body>
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</html>
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`
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console.log(testHtml)
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