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'use strict' |
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const path = require('path') |
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const config = require('../config') |
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const ExtractTextPlugin = require('extract-text-webpack-plugin') |
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const packageConfig = require('../package.json') |
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exports.assetsPath = function (_path) { |
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const assetsSubDirectory = process.env.NODE_ENV === 'production' |
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? config.build.assetsSubDirectory |
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: config.dev.assetsSubDirectory |
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return path.posix.join(assetsSubDirectory, _path) |
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} |
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exports.cssLoaders = function (options) { |
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options = options || {} |
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const cssLoader = { |
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loader: 'css-loader', |
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options: { |
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sourceMap: options.sourceMap |
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} |
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} |
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const postcssLoader = { |
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loader: 'postcss-loader', |
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options: { |
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sourceMap: options.sourceMap |
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} |
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} |
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// generate loader string to be used with extract text plugin |
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function generateLoaders (loader, loaderOptions) { |
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const loaders = options.usePostCSS ? [cssLoader, postcssLoader] : [cssLoader] |
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if (loader) { |
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loaders.push({ |
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loader: loader + '-loader', |
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options: Object.assign({}, loaderOptions, { |
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sourceMap: options.sourceMap |
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}) |
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}) |
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} |
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// Extract CSS when that option is specified |
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// (which is the case during production build) |
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if (options.extract) { |
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return ExtractTextPlugin.extract({ |
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use: loaders, |
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fallback: 'vue-style-loader' |
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}) |
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} else { |
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return ['vue-style-loader'].concat(loaders) |
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} |
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} |
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// https://vue-loader.vuejs.org/en/configurations/extract-css.html |
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return { |
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css: generateLoaders(), |
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postcss: generateLoaders(), |
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less: generateLoaders('less'), |
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sass: generateLoaders('sass', { indentedSyntax: true }), |
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scss: generateLoaders('sass'), |
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stylus: generateLoaders('stylus'), |
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styl: generateLoaders('stylus') |
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} |
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} |
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// Generate loaders for standalone style files (outside of .vue) |
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exports.styleLoaders = function (options) { |
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const output = [] |
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const loaders = exports.cssLoaders(options) |
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for (const extension in loaders) { |
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const loader = loaders[extension] |
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output.push({ |
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test: new RegExp('\\.' + extension + '$'), |
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use: loader |
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}) |
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} |
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return output |
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} |
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exports.createNotifierCallback = () => { |
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const notifier = require('node-notifier') |
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return (severity, errors) => { |
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if (severity !== 'error') return |
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const error = errors[0] |
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const filename = error.file && error.file.split('!').pop() |
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notifier.notify({ |
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title: packageConfig.name, |
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message: severity + ': ' + error.name, |
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subtitle: filename || '', |
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icon: path.join(__dirname, 'logo.png') |
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}) |
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} |
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} |
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Consider adding curly braces around all statements when they are executed conditionally. This is optional if there is only one statement, but leaving them out can lead to unexpected behaviour if another statement is added later.
Consider:
If you or someone else later decides to put another statement in, only the first statement will be executed.
In this case the statement
b = 42
will always be executed, while the logging statement will be executed conditionally.ensures that the proper code will be executed conditionally no matter how many statements are added or removed.