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parttimejob/node_modules/@vue/cli-service/lib/webpack/SafariNomoduleFixPlugin.js

72 lines
2.6 KiB

// https://gist.github.com/samthor/64b114e4a4f539915a95b91ffd340acc
const safariFix = `!function(){var e=document,t=e.createElement("script");if(!("noModule"in t)&&"onbeforeload"in t){var n=!1;e.addEventListener("beforeload",function(e){if(e.target===t)n=!0;else if(!e.target.hasAttribute("nomodule")||!n)return;e.preventDefault()},!0),t.type="module",t.src=".",e.head.appendChild(t),t.remove()}}();`
const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const { semver } = require('@vue/cli-shared-utils')
const { projectModuleTargets } = require('../util/targets')
const minSafariVersion = projectModuleTargets.safari
const minIOSVersion = projectModuleTargets.ios
const supportsSafari10 =
(minSafariVersion && semver.lt(semver.coerce(minSafariVersion), '11.0.0')) ||
(minIOSVersion && semver.lt(semver.coerce(minIOSVersion), '11.0.0'))
const needsSafariFix = supportsSafari10
class SafariNomoduleFixPlugin {
constructor ({ unsafeInline, jsDirectory }) {
this.unsafeInline = unsafeInline
this.jsDirectory = jsDirectory
}
apply (compiler) {
if (!needsSafariFix) {
return
}
const { RawSource } = compiler.webpack
? compiler.webpack.sources
: require('webpack-sources')
const ID = 'SafariNomoduleFixPlugin'
compiler.hooks.compilation.tap(ID, compilation => {
HtmlWebpackPlugin.getHooks(compilation).alterAssetTagGroups.tap(ID, data => {
let scriptTag
if (this.unsafeInline) {
// inject inline Safari 10 nomodule fix
scriptTag = {
tagName: 'script',
closeTag: true,
innerHTML: safariFix
}
} else {
// inject the fix as an external script
const safariFixPath = path.join(this.jsDirectory, 'safari-nomodule-fix.js')
const fullSafariFixPath = path.join(compilation.options.output.publicPath, safariFixPath)
compilation.assets[safariFixPath] = new RawSource(safariFix)
scriptTag = {
tagName: 'script',
closeTag: true,
attributes: {
src: fullSafariFixPath
}
}
}
let tags = data.bodyTags
if (data.plugin.options.scriptLoading === 'defer') {
tags = data.headTags
}
// insert just before the first actual script tag,
// and after all other tags such as `meta`
const firstScriptIndex = tags.findIndex(tag => tag.tagName === 'script')
tags.splice(firstScriptIndex, 0, scriptTag)
})
})
}
}
SafariNomoduleFixPlugin.safariFix = safariFix
module.exports = SafariNomoduleFixPlugin