Add source-map-loader for easier debugging (element-hq#28580)

of matrix-widget-api and other libs

Signed-off-by: Michael Telatynski <[email protected]>

package.json

@@ -273,6 +273,7 @@
         "raw-loader": "^4.0.2",
         "rimraf": "^6.0.0",
         "semver": "^7.5.2",
+        "source-map-loader": "^5.0.0",
         "stylelint": "^16.1.0",
         "stylelint-config-standard": "^36.0.0",
         "stylelint-scss": "^6.0.0",

webpack.config.js

@@ -238,6 +238,9 @@ module.exports = (env, argv) => {
             },
         },
 
+        // Some of our deps have broken source maps, so we have to ignore warnings or exclude them one-by-one
+        ignoreWarnings: [/Failed to parse source map/],
+
         module: {
             noParse: [
                 // for cross platform compatibility use [\\\/] as the path separator
@@ -250,6 +253,11 @@ module.exports = (env, argv) => {
                 /highlight\.js[\\/]lib[\\/]languages/,
             ],
             rules: [
+                {
+                    test: /\.js$/,
+                    enforce: "pre",
+                    use: ["source-map-loader"],
+                },
                 {
                     test: /\.(ts|js)x?$/,
                     include: (f) => {

yarn.lock

@@ -6858,7 +6858,7 @@ [email protected]:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-[email protected], iconv-lite@^0.6:
+[email protected], iconv-lite@^0.6, iconv-lite@^0.6.3:
   version "0.6.3"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.6.3.tgz#a52f80bf38da1952eb5c681790719871a1a72501"
   integrity sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==
@@ -10787,11 +10787,19 @@ sockjs@^0.3.24:
     uuid "^8.3.2"
     websocket-driver "^0.7.4"
 
-source-map-js@^1.0.1, source-map-js@^1.2.0, source-map-js@^1.2.1:
+source-map-js@^1.0.1, source-map-js@^1.0.2, source-map-js@^1.2.0, source-map-js@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.2.1.tgz#1ce5650fddd87abc099eda37dcff024c2667ae46"
   integrity sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==
 
+source-map-loader@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-5.0.0.tgz#f593a916e1cc54471cfc8851b905c8a845fc7e38"
+  integrity sha512-k2Dur7CbSLcAH73sBcIkV5xjPV4SzqO1NJ7+XaQl8if3VODDUj3FNchNGpqgJSKbvUfJuhVdv8K2Eu8/TNl2eA==
+  dependencies:
+    iconv-lite "^0.6.3"
+    source-map-js "^1.0.2"
+
 [email protected]:
   version "0.5.13"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.13.tgz#31b24a9c2e73c2de85066c0feb7d44767ed52932"