const path = require('path')
|
|
const hash = require('hash-sum')
|
|
const qs = require('querystring')
|
|
const plugin = require('./plugin')
|
|
const selectBlock = require('./select')
|
|
const loaderUtils = require('loader-utils')
|
|
const { attrsToQuery } = require('./codegen/utils')
|
|
const { parse } = require('@vue/component-compiler-utils')
|
|
const genStylesCode = require('./codegen/styleInjection')
|
|
const { genHotReloadCode } = require('./codegen/hotReload')
|
|
const genCustomBlocksCode = require('./codegen/customBlocks')
|
|
const componentNormalizerPath = require.resolve('./runtime/componentNormalizer')
|
|
const { NS } = require('./plugin')
|
|
|
|
let errorEmitted = false
|
|
|
|
function loadTemplateCompiler (loaderContext) {
|
|
try {
|
|
return require('vue-template-compiler')
|
|
} catch (e) {
|
|
if (/version mismatch/.test(e.toString())) {
|
|
loaderContext.emitError(e)
|
|
} else {
|
|
loaderContext.emitError(new Error(
|
|
`[vue-loader] vue-template-compiler must be installed as a peer dependency, ` +
|
|
`or a compatible compiler implementation must be passed via options.`
|
|
))
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = function (source) {
|
|
const loaderContext = this
|
|
|
|
if (!errorEmitted && !loaderContext['thread-loader'] && !loaderContext[NS]) {
|
|
loaderContext.emitError(new Error(
|
|
`vue-loader was used without the corresponding plugin. ` +
|
|
`Make sure to include VueLoaderPlugin in your webpack config.`
|
|
))
|
|
errorEmitted = true
|
|
}
|
|
|
|
const stringifyRequest = r => loaderUtils.stringifyRequest(loaderContext, r)
|
|
|
|
const {
|
|
target,
|
|
request,
|
|
minimize,
|
|
sourceMap,
|
|
rootContext,
|
|
resourcePath,
|
|
resourceQuery
|
|
} = loaderContext
|
|
|
|
const rawQuery = resourceQuery.slice(1)
|
|
const inheritQuery = `&${rawQuery}`
|
|
const incomingQuery = qs.parse(rawQuery)
|
|
const options = loaderUtils.getOptions(loaderContext) || {}
|
|
|
|
const isServer = target === 'node'
|
|
const isShadow = !!options.shadowMode
|
|
const isProduction = options.productionMode || minimize || process.env.NODE_ENV === 'production'
|
|
const filename = path.basename(resourcePath)
|
|
const context = rootContext || process.cwd()
|
|
const sourceRoot = path.dirname(path.relative(context, resourcePath))
|
|
|
|
const descriptor = parse({
|
|
source,
|
|
compiler: options.compiler || loadTemplateCompiler(loaderContext),
|
|
filename,
|
|
sourceRoot,
|
|
needMap: sourceMap
|
|
})
|
|
|
|
// if the query has a type field, this is a language block request
|
|
// e.g. foo.vue?type=template&id=xxxxx
|
|
// and we will return early
|
|
if (incomingQuery.type) {
|
|
return selectBlock(
|
|
descriptor,
|
|
loaderContext,
|
|
incomingQuery,
|
|
!!options.appendExtension
|
|
)
|
|
}
|
|
|
|
// module id for scoped CSS & hot-reload
|
|
const rawShortFilePath = path
|
|
.relative(context, resourcePath)
|
|
.replace(/^(\.\.[\/\\])+/, '')
|
|
|
|
const shortFilePath = rawShortFilePath.replace(/\\/g, '/') + resourceQuery
|
|
|
|
const id = hash(
|
|
isProduction
|
|
? (shortFilePath + '\n' + source)
|
|
: shortFilePath
|
|
)
|
|
|
|
// feature information
|
|
const hasScoped = descriptor.styles.some(s => s.scoped)
|
|
const hasFunctional = descriptor.template && descriptor.template.attrs.functional
|
|
const needsHotReload = (
|
|
!isServer &&
|
|
!isProduction &&
|
|
(descriptor.script || descriptor.template) &&
|
|
options.hotReload !== false
|
|
)
|
|
|
|
// template
|
|
let templateImport = `var render, staticRenderFns`
|
|
let templateRequest
|
|
if (descriptor.template) {
|
|
const src = descriptor.template.src || resourcePath
|
|
const idQuery = `&id=${id}`
|
|
const scopedQuery = hasScoped ? `&scoped=true` : ``
|
|
const attrsQuery = attrsToQuery(descriptor.template.attrs)
|
|
const query = `?vue&type=template${idQuery}${scopedQuery}${attrsQuery}${inheritQuery}`
|
|
const request = templateRequest = stringifyRequest(src + query)
|
|
templateImport = `import { render, staticRenderFns } from ${request}`
|
|
}
|
|
|
|
// script
|
|
let scriptImport = `var script = {}`
|
|
if (descriptor.script) {
|
|
const src = descriptor.script.src || resourcePath
|
|
const attrsQuery = attrsToQuery(descriptor.script.attrs, 'js')
|
|
const query = `?vue&type=script${attrsQuery}${inheritQuery}`
|
|
const request = stringifyRequest(src + query)
|
|
scriptImport = (
|
|
`import script from ${request}\n` +
|
|
`export * from ${request}` // support named exports
|
|
)
|
|
}
|
|
|
|
// styles
|
|
let stylesCode = ``
|
|
if (descriptor.styles.length) {
|
|
stylesCode = genStylesCode(
|
|
loaderContext,
|
|
descriptor.styles,
|
|
id,
|
|
resourcePath,
|
|
stringifyRequest,
|
|
needsHotReload,
|
|
isServer || isShadow // needs explicit injection?
|
|
)
|
|
}
|
|
|
|
let code = `
|
|
${templateImport}
|
|
${scriptImport}
|
|
${stylesCode}
|
|
|
|
/* normalize component */
|
|
import normalizer from ${stringifyRequest(`!${componentNormalizerPath}`)}
|
|
var component = normalizer(
|
|
script,
|
|
render,
|
|
staticRenderFns,
|
|
${hasFunctional ? `true` : `false`},
|
|
${/injectStyles/.test(stylesCode) ? `injectStyles` : `null`},
|
|
${hasScoped ? JSON.stringify(id) : `null`},
|
|
${isServer ? JSON.stringify(hash(request)) : `null`}
|
|
${isShadow ? `,true` : ``}
|
|
)
|
|
`.trim() + `\n`
|
|
|
|
if (descriptor.customBlocks && descriptor.customBlocks.length) {
|
|
code += genCustomBlocksCode(
|
|
descriptor.customBlocks,
|
|
resourcePath,
|
|
resourceQuery,
|
|
stringifyRequest
|
|
)
|
|
}
|
|
|
|
if (needsHotReload) {
|
|
code += `\n` + genHotReloadCode(id, hasFunctional, templateRequest)
|
|
}
|
|
|
|
// Expose filename. This is used by the devtools and Vue runtime warnings.
|
|
if (!isProduction) {
|
|
// Expose the file's full path in development, so that it can be opened
|
|
// from the devtools.
|
|
code += `\ncomponent.options.__file = ${JSON.stringify(rawShortFilePath.replace(/\\/g, '/'))}`
|
|
} else if (options.exposeFilename) {
|
|
// Libraies can opt-in to expose their components' filenames in production builds.
|
|
// For security reasons, only expose the file's basename in production.
|
|
code += `\ncomponent.options.__file = ${JSON.stringify(filename)}`
|
|
}
|
|
|
|
code += `\nexport default component.exports`
|
|
// console.log(code)
|
|
return code
|
|
}
|
|
|
|
module.exports.VueLoaderPlugin = plugin
|