48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
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const chalk = require('chalk')
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const rules = [
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{
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type: 'cant-resolve-loader',
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re: /Can't resolve '(.*loader)'/,
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msg: (e, match) => (
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`Failed to resolve loader: ${chalk.yellow(match[1])}\n` +
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`You may need to install it.`
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)
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}
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]
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exports.transformer = error => {
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if (error.webpackError) {
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const message = typeof error.webpackError === 'string'
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? error.webpackError
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: error.webpackError.message || ''
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for (const { re, msg, type } of rules) {
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const match = message.match(re)
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if (match) {
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return Object.assign({}, error, {
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// type is necessary to avoid being printed as defualt error
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// by friendly-error-webpack-plugin
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type,
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shortMessage: msg(error, match)
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})
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}
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}
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// no match, unknown webpack error without a message.
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// friendly-error-webpack-plugin fails to handle this.
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if (!error.message) {
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return Object.assign({}, error, {
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type: 'unknown-webpack-error',
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shortMessage: message
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})
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}
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}
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return error
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}
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exports.formatter = errors => {
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errors = errors.filter(e => e.shortMessage)
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if (errors.length) {
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return errors.map(e => e.shortMessage)
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}
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}
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