lib0
Version:
> Monorepo of isomorphic utility functions
76 lines (68 loc) • 2.19 kB
JavaScript
import * as fs from 'fs'
import * as object from '../object.js'
import * as env from '../environment.js'
const script = env.getParam('--script', './test.js')
const includeDeps = env.getParam('--include-dependencies', '').split(',').filter(d => d.length)
/**
* @type {Object<string,string>}
*/
const exports = {}
/**
* @type {Object<string,Object<string,string>>}
*/
const scopes = {}
/**
* @param {any} v
* @param {string} k
* @param {string} pkgName
* @param {string} pathPrefix
* @param {Object<string,string>} importMap
*/
const extractModMap = (v, k, pkgName, pathPrefix, importMap) => {
if (k[0] !== '.') return
if (typeof v === 'object') {
extractModMap(v.browser || v.import || v.module || v.default, k, pkgName, pathPrefix, importMap)
} else if (v && v[0] === '.') {
importMap[pkgName + k.slice(1)] = pathPrefix + v.slice(1)
}
}
/**
* @param {any} pkgJson
* @param {string} pathPrefix
* @param {Object<string,string>} importMap
*/
const readPkg = (pkgJson, pathPrefix, importMap) => {
object.forEach(pkgJson.exports, (v, k) => extractModMap(v, k, pkgJson.name, pathPrefix, importMap))
object.forEach(pkgJson.dependencies, (_v, depName) => {
const nextImportMap = pathPrefix === '.' ? exports : (scopes[pathPrefix + '/'] = {})
const prefix = `./node_modules/${depName}`
const depPkgJson = JSON.parse(fs.readFileSync(prefix + '/package.json', { encoding: 'utf8' }))
readPkg(depPkgJson, prefix, nextImportMap)
})
}
const rootPkgJson = JSON.parse(fs.readFileSync('./package.json', { encoding: 'utf8' }))
readPkg(rootPkgJson, '.', exports)
includeDeps.forEach(depName => {
const prefix = `./node_modules/${depName}`
const depPkgJson = JSON.parse(fs.readFileSync(`${prefix}/package.json`, { encoding: 'utf8' }))
readPkg(depPkgJson, prefix, exports)
})
const testHtml = `
<!DOCTYPE html>
<html>
<head>
<title>Testing ${rootPkgJson.name}</title>
<script type="importmap">
{
"imports": ${JSON.stringify(exports, null, 2)},
"scopes": ${JSON.stringify(scopes, null, 2)}
}
</script>
</head>
<body>
<script type="module" src="${script}"></script>
</body>
</html>
`
console.log(testHtml)