1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc/tools/html-codemod.js b/testing/web-platform/tests/webrtc/tools/html-codemod.js
new file mode 100644
index 0000000000..6a31e8c4c6
--- /dev/null
+++ b/testing/web-platform/tests/webrtc/tools/html-codemod.js
@@ -0,0 +1,34 @@
+/*
+ * extract script content from a series of html files, run a
+ * jscodeshift codemod on them and overwrite the original file.
+ *
+ * Usage: node html-codemod.js codemod-file list of files to process
+ */
+const { JSDOM } = require('jsdom');
+const fs = require('fs');
+const {execFileSync} = require('child_process');
+
+const codemod = process.argv[2];
+const filenames = process.argv.slice(3);
+filenames.forEach((filename) => {
+    const originalContent = fs.readFileSync(filename, 'utf-8');
+    const dom = new JSDOM(originalContent);
+    const document = dom.window.document;
+    const scriptTags = document.querySelectorAll('script');
+    const lastTag = scriptTags[scriptTags.length - 1];
+    const script = lastTag.innerHTML;
+    if (!script) {
+        console.log('NO SCRIPT FOUND', filename);
+        return;
+    }
+    const scriptFilename = filename + '.codemod.js';
+    const scriptFile = fs.writeFileSync(scriptFilename, script);
+    // exec jscodeshift
+    const output = execFileSync('./node_modules/.bin/jscodeshift', ['-t', codemod, scriptFilename]);
+    console.log(filename, output.toString()); // output jscodeshift output.
+    // read back file, resubstitute
+    const newScript = fs.readFileSync(scriptFilename, 'utf-8').toString();
+    const modifiedContent = originalContent.split(script).join(newScript);
+    fs.writeFileSync(filename, modifiedContent);
+    fs.unlinkSync(scriptFilename);
+});