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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,262 @@ | ||
| const Asset = require('../Asset'); | ||
| const localRequire = require('../utils/localRequire'); | ||
| const md5 = require('../utils/md5'); | ||
| const {minify} = require('uglify-es'); | ||
|
|
||
| class VueAsset extends Asset { | ||
| constructor(name, pkg, options) { | ||
| super(name, pkg, options); | ||
| this.type = 'js'; | ||
| } | ||
|
|
||
| async parse(code) { | ||
| // Is being used in component-compiler-utils, errors if not installed... | ||
| this.vueTemplateCompiler = await localRequire( | ||
| 'vue-template-compiler', | ||
| this.name | ||
| ); | ||
| this.vue = await localRequire('@vue/component-compiler-utils', this.name); | ||
|
|
||
| return this.vue.parse({ | ||
| source: code, | ||
| needMap: this.options.sourceMaps, | ||
| filename: this.relativeName, // Used for sourcemaps | ||
| sourceRoot: '' // Used for sourcemaps. Override so it doesn't use cwd | ||
| }); | ||
| } | ||
|
|
||
| async generate() { | ||
| let descriptor = this.ast; | ||
| let parts = []; | ||
|
|
||
| if (descriptor.script) { | ||
| parts.push({ | ||
| type: descriptor.script.lang || 'js', | ||
| value: descriptor.script.content, | ||
| sourceMap: descriptor.script.map | ||
| }); | ||
| } | ||
|
|
||
| if (descriptor.template) { | ||
| parts.push({ | ||
| type: descriptor.template.lang || 'html', | ||
| value: descriptor.template.content.trim() | ||
| }); | ||
| } | ||
|
|
||
| if (descriptor.styles) { | ||
| for (let style of descriptor.styles) { | ||
| parts.push({ | ||
| type: style.lang || 'css', | ||
| value: style.content.trim(), | ||
| modules: !!style.module | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| return parts; | ||
| } | ||
|
|
||
| async postProcess(generated) { | ||
| let result = []; | ||
|
|
||
| let hasScoped = this.ast.styles.some(s => s.scoped); | ||
| let id = md5(this.name).slice(-6); | ||
| let scopeId = hasScoped ? `data-v-${id}` : null; | ||
| let optsVar = '$' + id; | ||
|
|
||
| // Generate JS output. | ||
| let js = this.ast.script ? generated[0].value : ''; | ||
| let supplemental = ` | ||
| var ${optsVar} = exports.default || module.exports; | ||
| if (typeof ${optsVar} === 'function') { | ||
| ${optsVar} = ${optsVar}.options; | ||
| } | ||
| `; | ||
|
|
||
| supplemental += this.compileTemplate(generated, scopeId, optsVar); | ||
| supplemental += this.compileCSSModules(generated, optsVar); | ||
| supplemental += this.compileHMR(generated, optsVar); | ||
|
|
||
| if (this.options.minify && supplemental) { | ||
| let {code, error} = minify(supplemental, {toplevel: true}); | ||
| if (error) { | ||
| throw error; | ||
| } | ||
|
|
||
| supplemental = code; | ||
| } | ||
|
|
||
| js += supplemental; | ||
|
|
||
| if (js) { | ||
| result.push({ | ||
| type: 'js', | ||
| value: js | ||
| }); | ||
| } | ||
|
|
||
| let map = generated.find(r => r.type === 'map'); | ||
| if (map) { | ||
| result.push(map); | ||
| } | ||
|
|
||
| let css = this.compileStyle(generated, scopeId); | ||
| if (css) { | ||
| result.push({ | ||
| type: 'css', | ||
| value: css | ||
| }); | ||
| } | ||
|
|
||
| return result; | ||
| } | ||
|
|
||
| compileTemplate(generated, scopeId, optsVar) { | ||
| let html = generated.find(r => r.type === 'html'); | ||
| if (html) { | ||
| let isFunctional = this.ast.template.attrs.functional; | ||
| let template = this.vue.compileTemplate({ | ||
| source: html.value, | ||
| filename: this.relativeName, | ||
| compiler: this.vueTemplateCompiler, | ||
| isProduction: this.options.production, | ||
| isFunctional, | ||
| compilerOptions: { | ||
| scopeId | ||
| } | ||
| }); | ||
|
|
||
| if (Array.isArray(template.errors) && template.errors.length >= 1) { | ||
| throw new Error(template.errors[0]); | ||
| } | ||
|
|
||
| return ` | ||
| /* template */ | ||
| Object.assign(${optsVar}, (function () { | ||
| ${template.code} | ||
| return { | ||
| render: render, | ||
| staticRenderFns: staticRenderFns, | ||
| _compiled: true, | ||
| _scopeId: ${JSON.stringify(scopeId)}, | ||
| functional: ${JSON.stringify(isFunctional)} | ||
| }; | ||
| })()); | ||
| `; | ||
| } | ||
|
|
||
| return ''; | ||
| } | ||
|
|
||
| compileCSSModules(generated, optsVar) { | ||
| let cssRenditions = generated.filter(r => r.type === 'css'); | ||
| let cssModulesCode = ''; | ||
| this.ast.styles.forEach((style, index) => { | ||
| if (style.module) { | ||
| let cssModules = JSON.stringify(cssRenditions[index].cssModules); | ||
| let name = style.module === true ? '$style' : style.module; | ||
| cssModulesCode += `\nthis[${JSON.stringify(name)}] = ${cssModules};`; | ||
| } | ||
| }); | ||
|
|
||
| if (cssModulesCode) { | ||
| cssModulesCode = `function hook(){${cssModulesCode}\n}`; | ||
|
|
||
| let isFunctional = | ||
| this.ast.template && this.ast.template.attrs.functional; | ||
| if (isFunctional) { | ||
| return ` | ||
| /* css modules */ | ||
| (function () { | ||
| ${cssModulesCode} | ||
| ${optsVar}._injectStyles = hook; | ||
| var originalRender = ${optsVar}.render; | ||
| ${optsVar}.render = function (h, context) { | ||
| hook.call(context); | ||
| return originalRender(h, context); | ||
| }; | ||
| })(); | ||
| `; | ||
| } else { | ||
| return ` | ||
| /* css modules */ | ||
| (function () { | ||
| ${cssModulesCode} | ||
| ${optsVar}.beforeCreate = ${optsVar}.beforeCreate ? ${optsVar}.beforeCreate.concat(hook) : [hook]; | ||
| })(); | ||
| `; | ||
| } | ||
| } | ||
|
|
||
| return ''; | ||
| } | ||
|
|
||
| compileStyle(generated, scopeId) { | ||
| return generated.filter(r => r.type === 'css').reduce((p, r, i) => { | ||
| let css = r.value; | ||
| let scoped = this.ast.styles[i].scoped; | ||
|
|
||
| // Process scoped styles if needed. | ||
| if (scoped) { | ||
| let {code, errors} = this.vue.compileStyle({ | ||
| source: css, | ||
| filename: this.relativeName, | ||
| id: scopeId, | ||
| scoped | ||
| }); | ||
|
|
||
| if (errors.length) { | ||
| throw errors[0]; | ||
| } | ||
|
|
||
| css = code; | ||
| } | ||
|
|
||
| return p + css; | ||
| }, ''); | ||
| } | ||
|
|
||
| compileHMR(generated, optsVar) { | ||
| if (!this.options.hmr) { | ||
| return ''; | ||
| } | ||
|
|
||
| this.addDependency('vue-hot-reload-api'); | ||
| this.addDependency('vue'); | ||
|
|
||
| let cssHMR = ''; | ||
| if (this.ast.styles.length) { | ||
| cssHMR = ` | ||
| var reloadCSS = require('_css_loader'); | ||
| module.hot.dispose(reloadCSS); | ||
| module.hot.accept(reloadCSS); | ||
| `; | ||
| } | ||
|
|
||
| let isFunctional = this.ast.template && this.ast.template.attrs.functional; | ||
|
|
||
| return ` | ||
| /* hot reload */ | ||
| (function () { | ||
| if (module.hot) { | ||
| var api = require('vue-hot-reload-api'); | ||
| api.install(require('vue')); | ||
| if (api.compatible) { | ||
| module.hot.accept(); | ||
| if (!module.hot.data) { | ||
| api.createRecord('${optsVar}', ${optsVar}); | ||
| } else { | ||
| api.${ | ||
| isFunctional ? 'rerender' : 'reload' | ||
| }('${optsVar}', ${optsVar}); | ||
| } | ||
| } | ||
| ${cssHMR} | ||
| } | ||
| })();`; | ||
| } | ||
| } | ||
|
|
||
| module.exports = VueAsset; |
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