2017-09-13 07:52:34 +02:00

82 lines
2.5 KiB
JavaScript
Vendored

var loaderUtils = require('loader-utils')
var normalize = require('../utils/normalize')
var compiler = require('vue-template-compiler')
var beautify = require('js-beautify').js_beautify
var transpile = require('vue-template-es2015-compiler')
var hotReloadAPIPath = normalize.dep('vue-hot-reload-api')
var transformRequire = require('./modules/transform-require')
module.exports = function (html) {
this.cacheable()
var isServer = this.target === 'node'
var isProduction = this.minimize || process.env.NODE_ENV === 'production'
var vueOptions = this.options.__vueOptions__ || {}
var options = loaderUtils.getOptions(this) || {}
var defaultModules = [transformRequire(options.transformToRequire)]
var userModules = vueOptions.compilerModules || options.compilerModules
// for HappyPack cross-process use cases
if (typeof userModules === 'string') {
userModules = require(userModules)
}
var compilerOptions = {
preserveWhitespace: options.preserveWhitespace,
modules: defaultModules.concat(userModules || [])
}
var compiled = compiler.compile(html, compilerOptions)
// tips
if (compiled.tips && compiled.tips.length) {
compiled.tips.forEach(tip => {
this.emitWarning(tip)
})
}
var code
if (compiled.errors && compiled.errors.length) {
this.emitError(
`\n Error compiling template:\n${pad(html)}\n` +
compiled.errors.map(e => ` - ${e}`).join('\n') + '\n'
)
code = 'module.exports={render:function(){},staticRenderFns:[]}'
} else {
var bubleOptions = options.buble
code = transpile('module.exports={' +
'render:' + toFunction(compiled.render) + ',' +
'staticRenderFns: [' + compiled.staticRenderFns.map(toFunction).join(',') + ']' +
'}', bubleOptions)
// mark with stripped (this enables Vue to use correct runtime proxy detection)
if (!isProduction && (
!bubleOptions ||
!bubleOptions.transforms ||
bubleOptions.transforms.stripWith !== false
)) {
code += `\nmodule.exports.render._withStripped = true`
}
}
// hot-reload
if (!isServer && !isProduction) {
code +=
'\nif (module.hot) {\n' +
' module.hot.accept()\n' +
' if (module.hot.data) {\n' +
' require("' + hotReloadAPIPath + '").rerender("' + options.id + '", module.exports)\n' +
' }\n' +
'}'
}
return code
}
function toFunction (code) {
return 'function (){' + beautify(code, {
indent_size: 2 // eslint-disable-line camelcase
}) + '}'
}
function pad (html) {
return html.split(/\r?\n/).map(line => ` ${line}`).join('\n')
}