1 files changed, 73 insertions, 0 deletions
diff --git a/node_modules/sass-loader/lib/webpackImporter.js b/node_modules/sass-loader/lib/webpackImporter.js
new file mode 100644
index 0000000..44cbdfe
--- /dev/null
+++ b/node_modules/sass-loader/lib/webpackImporter.js
@@ -0,0 +1,73 @@
+"use strict";
+
+/**
+ * @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 path = require("path");
+const utils = require("loader-utils");
+const tail = require("lodash.tail");
+const importsToResolve = require("./importsToResolve");
+
+const matchCss = /\.css$/;
+
+/**
+ * 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.dirname(
+            // The first file is 'stdin' when we're using the data option
+            fileContext === "stdin" ? resourcePath : fileContext
+        );
+    }
+
+    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, "")
+                    };
+                }, () => startResolving(
+                    dir,
+                    tail(importsToResolve)
+                ));
+    }
+
+    return (url, prev, done) => {
+        startResolving(
+            dirContextFrom(prev),
+            importsToResolve(utils.urlToRequest(url))
+        ) // Catch all resolving errors, return the original file and pass responsibility back to other custom importers
+            .catch(() => ({ file: url }))
+            .then(done);
+    };
+}
+
+module.exports = webpackImporter;