build!: minimum supported Node.js version is 18.12.0

.github/workflows/nodejs.yml

@@ -60,7 +60,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [14.x, 16.x, 18.x, 20.x]
+        node-version: [18.x, 20.x, 21.x]
         webpack-version: [latest]
 
     runs-on: ${{ matrix.os }}

babel.config.js

@@ -10,7 +10,7 @@ module.exports = (api) => {
         "@babel/preset-env",
         {
           targets: {
-            node: "14.15.0",
+            node: "18.12.0",
           },
         },
       ],

package.json

@@ -13,7 +13,7 @@
   },
   "main": "dist/cjs.js",
   "engines": {
-    "node": ">= 14.15.0"
+    "node": ">= 18.12.0"
   },
   "scripts": {
     "start": "npm run build -- -w",
@@ -48,26 +48,26 @@
     "source-map-js": "^1.0.2"
   },
   "devDependencies": {
-    "@babel/cli": "^7.23.0",
+    "@babel/cli": "^7.23.4",
     "@babel/core": "^7.23.7",
-    "@babel/preset-env": "^7.23.7",
-    "@commitlint/cli": "^17.7.2",
-    "@commitlint/config-conventional": "^16.2.4",
+    "@babel/preset-env": "^7.23.8",
+    "@commitlint/cli": "^18.4.4",
+    "@commitlint/config-conventional": "^18.4.4",
     "@webpack-contrib/eslint-config-webpack": "^3.0.0",
     "babel-jest": "^29.7.0",
     "cross-env": "^7.0.3",
-    "cspell": "^6.31.3",
-    "del": "^6.0.0",
-    "del-cli": "^4.0.1",
+    "cspell": "^8.3.2",
+    "del": "^7.1.0",
+    "del-cli": "^5.1.0",
     "eslint": "^8.50.0",
-    "eslint-config-prettier": "^8.8.0",
+    "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.28.1",
     "husky": "^8.0.3",
     "jest": "^29.7.0",
-    "lint-staged": "^13.3.0",
-    "memfs": "^3.5.3",
+    "lint-staged": "^15.2.0",
+    "memfs": "^4.6.0",
     "npm-run-all": "^4.1.5",
-    "prettier": "^2.8.8",
+    "prettier": "^3.2.2",
     "standard-version": "^9.5.0",
     "webpack": "^5.88.2"
   },

src/index.js

@@ -54,7 +54,7 @@ export default async function loader(input, inputMap) {
     ({ sourceURL, sourceContent } = await fetchFromURL(
       this,
       this.context,
-      sourceMappingURL
+      sourceMappingURL,
     ));
   } catch (error) {
     this.emitWarning(error);
@@ -75,8 +75,8 @@ export default async function loader(input, inputMap) {
   } catch (parseError) {
     this.emitWarning(
       new Error(
-        `Failed to parse source map from '${sourceMappingURL}': ${parseError}`
-      )
+        `Failed to parse source map from '${sourceMappingURL}': ${parseError}`,
+      ),
     );
 
     callback(null, input, inputMap);
@@ -117,7 +117,7 @@ export default async function loader(input, inputMap) {
           context,
           source,
           map.sourceRoot,
-          skipReading
+          skipReading,
         ));
       } catch (error) {
         errored = true;
@@ -133,7 +133,7 @@ export default async function loader(input, inputMap) {
 
       // Return original value of `source` when error happens
       return { sourceURL: errored ? source : sourceURL, sourceContent };
-    })
+    }),
   );
 
   const newMap = { ...map };

src/parse-data-url.js

@@ -85,7 +85,7 @@ function percentDecodeBytes(input) {
     } else {
       output[outputIndex] = parseInt(
         String.fromCodePoint(input[i + 1], input[i + 2]),
-        16
+        16,
       );
       i += 2;
     }
@@ -249,7 +249,7 @@ export default function parseDataUrl(stringInput) {
 
   // Can't use /i regexp flag because it isn't restricted to ASCII.
   const mimeTypeBase64MatchResult = /(.*); *[Bb][Aa][Ss][Ee]64$/.exec(
-    mediaType
+    mediaType,
   );
 
   if (mimeTypeBase64MatchResult) {
@@ -362,7 +362,7 @@ export default function parseDataUrl(stringInput) {
     if (inputMediaType[positionMediaType] === '"') {
       [parameterValue, positionMediaType] = collectAnHTTPQuotedString(
         inputMediaType,
-        positionMediaType
+        positionMediaType,
       );
 
       while (

src/utils.js

@@ -25,7 +25,7 @@ const sourceMappingURLRegex = RegExp(
     innerRegex.source +
     ")" +
     ")" +
-    "\\s*"
+    "\\s*",
 );
 /* eslint-enable prefer-template */
 
@@ -145,7 +145,7 @@ async function fetchFromFilesystem(loaderContext, sourceURL) {
     });
   } catch (error) {
     throw new Error(
-      `Failed to parse source map from '${sourceURL}' file: ${error}`
+      `Failed to parse source map from '${sourceURL}' file: ${error}`,
     );
   }
 
@@ -155,15 +155,15 @@ async function fetchFromFilesystem(loaderContext, sourceURL) {
 async function fetchPathsFromFilesystem(
   loaderContext,
   possibleRequests,
-  errorsAccumulator = ""
+  errorsAccumulator = "",
 ) {
   let result;
 
   try {
     result = await fetchFromFilesystem(
       loaderContext,
       possibleRequests[0],
-      errorsAccumulator
+      errorsAccumulator,
     );
   } catch (error) {
     // eslint-disable-next-line no-param-reassign
@@ -180,7 +180,7 @@ async function fetchPathsFromFilesystem(
     return fetchPathsFromFilesystem(
       loaderContext,
       tailPossibleRequests,
-      errorsAccumulator
+      errorsAccumulator,
     );
   }
 
@@ -196,7 +196,7 @@ async function fetchFromURL(
   context,
   url,
   sourceRoot,
-  skipReading = false
+  skipReading = false,
 ) {
   // 1. It's an absolute url and it is not `windows` path like `C:\dir\file`
   if (isURL(url)) {
@@ -221,21 +221,21 @@ async function fetchFromURL(
       const sourceURL = path.normalize(pathFromURL);
       const { data: sourceContent } = await fetchFromFilesystem(
         loaderContext,
-        sourceURL
+        sourceURL,
       );
 
       return { sourceURL, sourceContent };
     }
 
     throw new Error(
-      `Failed to parse source map: '${url}' URL is not supported`
+      `Failed to parse source map: '${url}' URL is not supported`,
     );
   }
 
   // 2. It's a scheme-relative
   if (/^\/\//.test(url)) {
     throw new Error(
-      `Failed to parse source map: '${url}' URL is not supported`
+      `Failed to parse source map: '${url}' URL is not supported`,
     );
   }
 
@@ -250,13 +250,13 @@ async function fetchFromURL(
 
       if (url.startsWith("/")) {
         possibleRequests.push(
-          getAbsolutePath(context, sourceURL.slice(1), sourceRoot)
+          getAbsolutePath(context, sourceURL.slice(1), sourceRoot),
         );
       }
 
       const result = await fetchPathsFromFilesystem(
         loaderContext,
-        possibleRequests
+        possibleRequests,
       );
 
       sourceURL = result.path;

test/helpers/execute.js

@@ -8,7 +8,7 @@ export default (code) => {
   const module = new Module(resource, parentModule);
   // eslint-disable-next-line no-underscore-dangle
   module.paths = Module._nodeModulePaths(
-    path.resolve(__dirname, "../fixtures")
+    path.resolve(__dirname, "../fixtures"),
   );
   module.filename = resource;
 

test/helpers/getCodeFromBundle.js

@@ -22,7 +22,7 @@ function getCodeFromBundle(stats, compiler, asset) {
     `${code};\nmodule.exports = sourceMapLoaderExport;`,
     {
       module: {},
-    }
+    },
   );
 
   // eslint-disable-next-line no-underscore-dangle

test/helpers/getCompiler.js

@@ -7,7 +7,7 @@ export default (
   fixture,
   loaderOptions = {},
   config = {},
-  skipTestLoader = false
+  skipTestLoader = false,
 ) => {
   const loaders = [
     {

test/loader.test.js

@@ -172,7 +172,7 @@ describe("source-map-loader", () => {
     // Create the entryPointFile file
     const entryFileContent = `// Some content \r\n // # sourceMappingURL=file://${sourceMapPath.replace(
       /\\/g,
-      "/"
+      "/",
     )}`;
     fs.writeFileSync(entryFileAbsolutePath, entryFileContent);
 
@@ -267,13 +267,16 @@ describe("source-map-loader", () => {
     expect(codeFromBundle.map).toBeUndefined();
     expect(codeFromBundle.code).toMatchSnapshot("code");
 
-    if (process.version.startsWith("v20")) {
+    if (
+      process.version.startsWith("v20") ||
+      process.version.startsWith("v21")
+    ) {
       expect(getWarnings(stats)[0]).toContain(
-        `SyntaxError: Unexpected non-whitespace character after JSON at position 102`
+        `SyntaxError: Unexpected non-whitespace character after JSON at position 102`,
       );
     } else {
       expect(getWarnings(stats)[0]).toContain(
-        `SyntaxError: Unexpected string in JSON at position 102`
+        `SyntaxError: Unexpected string in JSON at position 102`,
       );
     }
     expect(getErrors(stats)).toMatchSnapshot("errors");
@@ -332,7 +335,7 @@ describe("source-map-loader", () => {
     const rootRelativeSourcePath = path.join(sourceRoot, sourceFilename);
     const sourceMapPath = path.join(
       sourceRoot,
-      "absolute-sourceRoot-source-map.map"
+      "absolute-sourceRoot-source-map.map",
     );
 
     // Create the sourcemap file
@@ -368,12 +371,12 @@ describe("source-map-loader", () => {
       __dirname,
       "fixtures",
       "data",
-      sourceFilename
+      sourceFilename,
     );
     const sourceMapPath = path.join(
       __dirname,
       "fixtures",
-      "relative-sourceRoot-source-map.map"
+      "relative-sourceRoot-source-map.map",
     );
 
     const testId = "relative-sourceRoot-source-map.js";
@@ -398,7 +401,7 @@ describe("source-map-loader", () => {
     const currentDirPath = path.join(
       __dirname,
       "fixtures",
-      "indexed-sourcemap"
+      "indexed-sourcemap",
     );
 
     const testId = path.join(currentDirPath, "file.js");
@@ -426,7 +429,7 @@ describe("source-map-loader", () => {
     const currentDirPath = path.join(
       __dirname,
       "fixtures",
-      "indexed-sourcemap"
+      "indexed-sourcemap",
     );
 
     const testId = path.join(currentDirPath, "file2.js");
@@ -454,7 +457,7 @@ describe("source-map-loader", () => {
     const currentDirPath = path.join(
       __dirname,
       "fixtures",
-      "indexed-sourcemap"
+      "indexed-sourcemap",
     );
 
     const testId = path.join(currentDirPath, "file.js");
@@ -472,8 +475,8 @@ describe("source-map-loader", () => {
       path.normalize(
         source
           .replace(/webpack:\/\/sourceMapLoaderExport\//, "")
-          .replace("..", "")
-      )
+          .replace("..", ""),
+      ),
     );
 
     expect(new Set(normalizedSources)).toEqual(new Set(dependencies));
@@ -497,7 +500,7 @@ describe("source-map-loader", () => {
     const entryFileAbsolutePath = path.join(sourceRoot, javaScriptFilename);
     const sourceMapPath = path.join(
       sourceRoot,
-      "map-without-sourceroot.js.map"
+      "map-without-sourceroot.js.map",
     );
 
     // Create the sourcemap file
@@ -653,7 +656,7 @@ describe("source-map-loader", () => {
     const codeFromBundle = getCodeFromBundle(stats, compiler);
 
     expect(
-      stats.toString({ warningsFilter: /Failed to parse source map/ })
+      stats.toString({ warningsFilter: /Failed to parse source map/ }),
     ).not.toContain("Failed to parse source map");
     expect(codeFromBundle.map).toBeUndefined();
     expect(codeFromBundle.code).toMatchSnapshot("code");
@@ -667,7 +670,7 @@ describe("source-map-loader", () => {
     const sourceFilename = "server-relative-url-path.js";
     const sourceMapPath = path.join(
       sourceRoot,
-      "server-relative-url-path.js.map"
+      "server-relative-url-path.js.map",
     );
 
     // Create the sourcemap file
@@ -715,7 +718,7 @@ describe("source-map-loader", () => {
       path.resolve(
         __dirname,
         "fixtures",
-        "data/relative-sourceRoot-source-map.txt"
+        "data/relative-sourceRoot-source-map.txt",
       ),
     ];
     const notInDependencies = ["", "data:invalid;A;a", "./data/not-found.txt"];