Use ESM for some build scripts

The last few files I managed to find before having to resort to
the whole `cts` extension thingy.

Bug: 411053158
Change-Id: I4a745c0a28ff2e6244ed7ff9d196d51539c1fa46
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7223974
Commit-Queue: Simon Zünd <[email protected]>
Reviewed-by: Simon Zünd <[email protected]>

Author: Lightning00Blade

inspector_overlay/loadCSS.rollup.js

@@ -5,7 +5,8 @@
 // WARNING: don't use this rollup plugin outside of inspector_overlay.
 // See README for special constraints the overlay has.
 
-module.exports = function loadCSS() {
+// eslint-disable-next-line import/no-default-export
+export default function loadCSS() {
   return {
     name: 'loadCSS',
     /**
@@ -20,10 +21,10 @@ module.exports = function loadCSS() {
             style.replaceSync(${JSON.stringify(code)});
             export default style;
           `,
-          map: null
+          map: null,
         };
       }
       return;
-    }
+    },
   };
-};
+}

test/BUILD.gn

@@ -37,4 +37,4 @@ checkout_root = rebase_path("//", target_gen_dir)
 build_root = rebase_path(root_build_dir, target_gen_dir)
 write_file(
     "$target_gen_dir/build.js",
-    "module.exports = {SOURCE_ROOT: '$source_root', CHECKOUT_ROOT: '$checkout_root', BUILD_ROOT: '$build_root', BUILD_WITH_CHROMIUM: $build_with_chromium};")
+    "export default {SOURCE_ROOT: '$source_root', CHECKOUT_ROOT: '$checkout_root', BUILD_ROOT: '$build_root', BUILD_WITH_CHROMIUM: $build_with_chromium};")

test/conductor/karma-resultsdb-reporter.ts

@@ -4,11 +4,17 @@
 
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
+// TODO: Fix this as they are extraneous dependencies
+// The type that get resolve are wrong, so keep the required
+import chalkImport from 'chalk';
+// @ts-expect-error
+import * as diffImport from 'diff';
+
 import * as ResultsDb from './resultsdb.js';
 import {ScreenshotError} from './screenshot-error.js';
 
-const chalk = require('chalk');
-const diff = require('diff');
+const chalk: any = chalkImport;
+const diff: any = diffImport;
 
 type DiffCallback = (line: string) => string;
 function*

test/conductor/paths.ts

@@ -5,7 +5,9 @@
 import * as os from 'node:os';
 import * as path from 'node:path';
 
-const build = require('../build.js');
+// @ts-expect-error created at test/BUILD.gn
+import build from '../build.js';
+
 export const SOURCE_ROOT = path.join(__dirname, '..', build.SOURCE_ROOT);
 export const CHECKOUT_ROOT = path.join(__dirname, '..', build.CHECKOUT_ROOT);
 export const BUILD_ROOT = path.join(__dirname, '..', build.BUILD_ROOT);