72 lines
2.6 KiB
JavaScript
72 lines
2.6 KiB
JavaScript
// https://gist.github.com/samthor/64b114e4a4f539915a95b91ffd340acc
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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()}}();`
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const path = require('path')
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const HtmlWebpackPlugin = require('html-webpack-plugin')
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const { semver } = require('@vue/cli-shared-utils')
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const { projectModuleTargets } = require('../util/targets')
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const minSafariVersion = projectModuleTargets.safari
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const minIOSVersion = projectModuleTargets.ios
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const supportsSafari10 =
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(minSafariVersion && semver.lt(semver.coerce(minSafariVersion), '11.0.0')) ||
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(minIOSVersion && semver.lt(semver.coerce(minIOSVersion), '11.0.0'))
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const needsSafariFix = supportsSafari10
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class SafariNomoduleFixPlugin {
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constructor ({ unsafeInline, jsDirectory }) {
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this.unsafeInline = unsafeInline
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this.jsDirectory = jsDirectory
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}
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apply (compiler) {
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if (!needsSafariFix) {
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return
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}
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const { RawSource } = compiler.webpack
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? compiler.webpack.sources
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: require('webpack-sources')
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const ID = 'SafariNomoduleFixPlugin'
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compiler.hooks.compilation.tap(ID, compilation => {
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HtmlWebpackPlugin.getHooks(compilation).alterAssetTagGroups.tap(ID, data => {
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let scriptTag
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if (this.unsafeInline) {
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// inject inline Safari 10 nomodule fix
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scriptTag = {
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tagName: 'script',
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closeTag: true,
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innerHTML: safariFix
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}
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} else {
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// inject the fix as an external script
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const safariFixPath = path.join(this.jsDirectory, 'safari-nomodule-fix.js')
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const fullSafariFixPath = path.join(compilation.options.output.publicPath, safariFixPath)
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compilation.assets[safariFixPath] = new RawSource(safariFix)
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scriptTag = {
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tagName: 'script',
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closeTag: true,
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attributes: {
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src: fullSafariFixPath
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}
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}
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}
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let tags = data.bodyTags
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if (data.plugin.options.scriptLoading === 'defer') {
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tags = data.headTags
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}
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// insert just before the first actual script tag,
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// and after all other tags such as `meta`
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const firstScriptIndex = tags.findIndex(tag => tag.tagName === 'script')
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tags.splice(firstScriptIndex, 0, scriptTag)
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})
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})
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}
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}
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SafariNomoduleFixPlugin.safariFix = safariFix
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module.exports = SafariNomoduleFixPlugin
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