const fs = require('fs')
|
const path = require('path')
|
|
const camelizeRE = /-(\w)/g
|
const camelize = str => {
|
return str.replace(camelizeRE, (_, c) => c ? c.toUpperCase() : '')
|
}
|
|
const hyphenateRE = /\B([A-Z])/g
|
const hyphenate = str => {
|
return str.replace(hyphenateRE, '-$1').toLowerCase()
|
}
|
|
/**
|
* Creates the script to add the component to the custom elements
|
* @param {string} prefix The prefix for the component library
|
* @param {string} component The component name for single entry builds, component file for multi-entry builds
|
* @param {string} file The file for the component
|
* @param {boolean} isAsync Whether to load component async or not
|
*/
|
const createElement = (prefix, component, file, isAsync) => {
|
const { camelName, kebabName } = exports.fileToComponentName(prefix, component)
|
|
return isAsync
|
? `window.customElements.define('${kebabName}', wrap(Vue, () => import('~root/${file}?shadow')))\n`
|
: `import ${camelName} from '~root/${file}?shadow'\n` +
|
`window.customElements.define('${kebabName}', wrap(Vue, ${camelName}))\n`
|
}
|
|
exports.fileToComponentName = (prefix, file) => {
|
const basename = path.basename(file).replace(/\.(jsx?|vue)$/, '')
|
const camelName = camelize(basename)
|
const kebabName = `${prefix ? `${prefix}-` : ``}${hyphenate(basename)}`
|
return {
|
basename,
|
camelName,
|
kebabName
|
}
|
}
|
|
exports.resolveEntry = (prefix, libName, files, isAsync) => {
|
const filePath = path.resolve(__dirname, 'entry-wc.js')
|
const elements =
|
prefix === ''
|
? [createElement('', libName, files[0])]
|
: files.map(file => createElement(prefix, file, file, isAsync)).join('\n')
|
|
const content = `
|
import './setPublicPath'
|
import Vue from 'vue'
|
import wrap from '@vue/web-component-wrapper'
|
|
// runtime shared by every component chunk
|
import 'css-loader/dist/runtime/api.js'
|
import 'vue-style-loader/lib/addStylesShadow'
|
import 'vue-loader/lib/runtime/componentNormalizer'
|
|
${elements}`.trim()
|
fs.writeFileSync(filePath, content)
|
return filePath
|
}
|
