40 lines
1.1 KiB
JavaScript
Executable File
40 lines
1.1 KiB
JavaScript
Executable File
const path = require('path');
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const tsconfig = require('../tsconfig.base.json');
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module.exports = {
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root,
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mapTypescriptAliasToWebpackAlias
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};
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const _root = path.resolve(__dirname, '..');
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function root(args) {
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args = Array.prototype.slice.call(arguments, 0);
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return path.join.apply(path, [_root].concat(args));
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}
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function mapTypescriptAliasToWebpackAlias(alias = {}) {
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const webpackAliases = { ...alias };
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if (!tsconfig.compilerOptions.paths) {
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return webpackAliases;
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}
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Object.entries(tsconfig.compilerOptions.paths)
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.filter(([key, value]) => {
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// use Typescript alias in Webpack only if this has value
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return Boolean(value.length);
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})
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.map(([key, value]) => {
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// if Typescript alias ends with /* then remove this for Webpack
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const regexToReplace = /\/\*$/;
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const aliasKey = key.replace(regexToReplace, '');
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const aliasValue = value[0].replace(regexToReplace, '');
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return [aliasKey, root(aliasValue)];
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})
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.reduce((aliases, [key, value]) => {
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aliases[key] = value;
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return aliases;
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}, webpackAliases);
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return webpackAliases;
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}
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