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75 lines
2.4 KiB
75 lines
2.4 KiB
4 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _path = _interopRequireDefault(require("path"));
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var _importsToResolve = _interopRequireDefault(require("./importsToResolve"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* @name PromisedResolve
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* @type {Function}
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* @param {string} dir
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* @param {string} request
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* @returns Promise
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*/
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/**
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* @name Importer
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* @type {Function}
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* @param {string} url
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* @param {string} prev
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* @param {Function<Error, string>} done
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*/
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const matchCss = /\.css$/i;
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/**
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* Returns an importer that uses webpack's resolving algorithm.
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*
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* It's important that the returned function has the correct number of arguments
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* (based on whether the call is sync or async) because otherwise node-sass doesn't exit.
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*
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* @param {string} resourcePath
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* @param {PromisedResolve} resolve
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* @param {Function<string>} addNormalizedDependency
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* @returns {Importer}
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*/
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function webpackImporter(resourcePath, resolve, addNormalizedDependency) {
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function dirContextFrom(fileContext) {
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return _path.default.dirname( // The first file is 'stdin' when we're using the data option
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fileContext === 'stdin' ? resourcePath : fileContext);
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} // eslint-disable-next-line no-shadow
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function startResolving(dir, importsToResolve) {
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return importsToResolve.length === 0 ? Promise.reject() : resolve(dir, importsToResolve[0]).then(resolvedFile => {
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// Add the resolvedFilename as dependency. Although we're also using stats.includedFiles, this might come
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// in handy when an error occurs. In this case, we don't get stats.includedFiles from node-sass.
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addNormalizedDependency(resolvedFile);
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return {
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// By removing the CSS file extension, we trigger node-sass to include the CSS file instead of just linking it.
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file: resolvedFile.replace(matchCss, '')
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};
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}, () => {
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const [, ...tailResult] = importsToResolve;
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return startResolving(dir, tailResult);
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});
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}
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return (url, prev, done) => {
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startResolving(dirContextFrom(prev), (0, _importsToResolve.default)(url)) // Catch all resolving errors, return the original file and pass responsibility back to other custom importers
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.catch(() => {
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return {
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file: url
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};
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}).then(done);
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};
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}
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var _default = webpackImporter;
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exports.default = _default;
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