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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
commit81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch)
tree8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/sass-loader/lib/loader.js
parent1870f3fdf43707a15fda0f609a021f516f45eb63 (diff)
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-rw-r--r--node_modules/sass-loader/lib/loader.js83
1 files changed, 0 insertions, 83 deletions
diff --git a/node_modules/sass-loader/lib/loader.js b/node_modules/sass-loader/lib/loader.js
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--- a/node_modules/sass-loader/lib/loader.js
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-"use strict";
-
-const sass = require("node-sass");
-const path = require("path");
-const async = require("neo-async");
-const formatSassError = require("./formatSassError");
-const webpackImporter = require("./webpackImporter");
-const normalizeOptions = require("./normalizeOptions");
-const pify = require("pify");
-
-// This queue makes sure node-sass leaves one thread available for executing
-// fs tasks when running the custom importer code.
-// This can be removed as soon as node-sass implements a fix for this.
-const threadPoolSize = process.env.UV_THREADPOOL_SIZE || 4;
-const asyncSassJobQueue = async.queue(sass.render, threadPoolSize - 1);
-
-/**
- * The sass-loader makes node-sass available to webpack modules.
- *
- * @this {LoaderContext}
- * @param {string} content
- */
-function sassLoader(content) {
- const callback = this.async();
- const isSync = typeof callback !== "function";
- const self = this;
- const resourcePath = this.resourcePath;
-
- function addNormalizedDependency(file) {
- // node-sass returns POSIX paths
- self.dependency(path.normalize(file));
- }
-
- if (isSync) {
- throw new Error("Synchronous compilation is not supported anymore. See https://github.com/webpack-contrib/sass-loader/issues/333");
- }
-
- const options = normalizeOptions(this, content, webpackImporter(
- resourcePath,
- pify(this.resolve.bind(this)),
- addNormalizedDependency
- ));
-
- // Skip empty files, otherwise it will stop webpack, see issue #21
- if (options.data.trim() === "") {
- callback(null, "");
- return;
- }
-
- // start the actual rendering
- asyncSassJobQueue.push(options, (err, result) => {
- if (err) {
- formatSassError(err, this.resourcePath);
- err.file && this.dependency(err.file);
- callback(err);
- return;
- }
-
- if (result.map && result.map !== "{}") {
- result.map = JSON.parse(result.map);
- // result.map.file is an optional property that provides the output filename.
- // Since we don't know the final filename in the webpack build chain yet, it makes no sense to have it.
- delete result.map.file;
- // The first source is 'stdin' according to node-sass because we've used the data input.
- // Now let's override that value with the correct relative path.
- // Since we specified options.sourceMap = path.join(process.cwd(), "/sass.map"); in normalizeOptions,
- // we know that this path is relative to process.cwd(). This is how node-sass works.
- result.map.sources[0] = path.relative(process.cwd(), resourcePath);
- // node-sass returns POSIX paths, that's why we need to transform them back to native paths.
- // This fixes an error on windows where the source-map module cannot resolve the source maps.
- // @see https://github.com/webpack-contrib/sass-loader/issues/366#issuecomment-279460722
- result.map.sourceRoot = path.normalize(result.map.sourceRoot);
- result.map.sources = result.map.sources.map(path.normalize);
- } else {
- result.map = null;
- }
-
- result.stats.includedFiles.forEach(addNormalizedDependency);
- callback(null, result.css.toString(), result.map);
- });
-}
-
-module.exports = sassLoader;