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