feat: id option for addScriptTag

docs/api.md

@@ -1390,7 +1390,8 @@ Shortcut for [page.mainFrame().$x(expression)](#framexexpression)
   - `url` <[string]> URL of a script to be added.
   - `path` <[string]> Path to the JavaScript file to be injected into frame. If `path` is a relative path, then it is resolved relative to [current working directory](https://nodejs.org/api/process.html#process_process_cwd).
   - `content` <[string]> Raw JavaScript content to be injected into frame.
-  - `type` <[string]> Script type. Use 'module' in order to load a JavaScript ES6 module. See [script](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script) for more details.
+  - `type` <[string]> Script type. Use 'module' in order to load a Javascript ES6 module. See [script](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script) for more details.
+  - `id` <[string]> id attribute to add to the script tag.
 - returns: <[Promise]<[ElementHandle]>> which resolves to the added tag when the script's onload fires or when the script content was injected into frame.
 
 Adds a `<script>` tag into the page with the desired URL or content.
@@ -2328,7 +2329,7 @@ await page.setGeolocation({ latitude: 59.95, longitude: 30.31667 });
 
 #### page.setOfflineMode(enabled)
 
-- `enabled` <[boolean]> When `true`, enables offline mode for the page. 
+- `enabled` <[boolean]> When `true`, enables offline mode for the page.
 - returns: <[Promise]>
 
 > **NOTE** while this method sets the network connection to offline, it does not change the parameters used in [page.emulateNetworkConditions(networkConditions)](#pageemulatenetworkconditionsnetworkconditions).
@@ -3657,7 +3658,8 @@ The method evaluates the XPath expression relative to the frame document as its
   - `url` <[string]> URL of a script to be added.
   - `path` <[string]> Path to the JavaScript file to be injected into frame. If `path` is a relative path, then it is resolved relative to [current working directory](https://nodejs.org/api/process.html#process_process_cwd).
   - `content` <[string]> Raw JavaScript content to be injected into frame.
-  - `type` <[string]> Script type. Use 'module' in order to load a JavaScript ES6 module. See [script](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script) for more details.
+  - `type` <[string]> Script type. Use 'module' in order to load a Javascript ES6 module. See [script](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script) for more details.
+  - `id` <[string]> id attribute to add to the script tag.
 - returns: <[Promise]<[ElementHandle]>> which resolves to the added tag when the script's onload fires or when the script content was injected into frame.
 
 Adds a `<script>` tag into the page with the desired URL or content.

experimental/puppeteer-firefox/lib/DOMWorld.js

@@ -140,14 +140,19 @@ class DOMWorld {
   }
 
   /**
-   * @param {!{content?: string, path?: string, type?: string, url?: string}} options
+   * @param {!{content?: string, path?: string, type?: string, url?: string, id?: string}} options
    * @return {!Promise<!ElementHandle>}
    */
   async addScriptTag(options) {
+    const {
+      type = '',
+      id = ''
+    } = options;
+
     if (typeof options.url === 'string') {
       const url = options.url;
       try {
-        return (await this.evaluateHandle(addScriptUrl, url, options.type)).asElement();
+        return (await this.evaluateHandle(addScriptUrl, url, id, type)).asElement();
       } catch (error) {
         throw new Error(`Loading script from ${url} failed`);
       }
@@ -156,23 +161,26 @@ class DOMWorld {
     if (typeof options.path === 'string') {
       let contents = await readFileAsync(options.path, 'utf8');
       contents += '//# sourceURL=' + options.path.replace(/\n/g, '');
-      return (await this.evaluateHandle(addScriptContent, contents, options.type)).asElement();
+      return (await this.evaluateHandle(addScriptContent, contents, id, type)).asElement();
     }
 
     if (typeof options.content === 'string') {
-      return (await this.evaluateHandle(addScriptContent, options.content, options.type)).asElement();
+      return (await this.evaluateHandle(addScriptContent, options.content, id, type)).asElement();
     }
 
     throw new Error('Provide an object with a `url`, `path` or `content` property');
 
     /**
      * @param {string} url
+     * @param {string} id
      * @param {string} type
      * @return {!Promise<!HTMLElement>}
      */
-    async function addScriptUrl(url, type) {
+    async function addScriptUrl(url, id, type) {
       const script = document.createElement('script');
       script.src = url;
+      if (id)
+        script.id = id;
       if (type)
         script.type = type;
       const promise = new Promise((res, rej) => {
@@ -186,13 +194,16 @@ class DOMWorld {
 
     /**
      * @param {string} content
+     * @param {string} id
      * @param {string} type
      * @return {!HTMLElement}
      */
-    function addScriptContent(content, type = 'text/javascript') {
+    function addScriptContent(content, id, type = 'text/javascript') {
       const script = document.createElement('script');
       script.type = type;
       script.text = content;
+      if (id)
+        script.id = id;
       let error = null;
       script.onerror = e => error = e;
       document.head.appendChild(script);

experimental/puppeteer-firefox/lib/Page.js

@@ -560,7 +560,7 @@ class Page extends EventEmitter {
   }
 
   /**
-   * @param {!{content?: string, path?: string, type?: string, url?: string}} options
+   * @param {!{content?: string, path?: string, type?: string, url?: string, id?: string}} options
    * @return {!Promise<!ElementHandle>}
    */
   async addScriptTag(options) {

src/common/DOMWorld.ts

@@ -282,14 +282,21 @@ export class DOMWorld {
     url?: string;
     path?: string;
     content?: string;
+    id?: string;
     type?: string;
   }): Promise<ElementHandle> {
-    const { url = null, path = null, content = null, type = '' } = options;
+    const {
+      url = null,
+      path = null,
+      content = null,
+      id = '',
+      type = '',
+    } = options;
     if (url !== null) {
       try {
         const context = await this.executionContext();
         return (
-          await context.evaluateHandle(addScriptUrl, url, type)
+          await context.evaluateHandle(addScriptUrl, url, id, type)
         ).asElement();
       } catch (error) {
         throw new Error(`Loading script from ${url} failed`);
@@ -307,14 +314,14 @@ export class DOMWorld {
       contents += '//# sourceURL=' + path.replace(/\n/g, '');
       const context = await this.executionContext();
       return (
-        await context.evaluateHandle(addScriptContent, contents, type)
+        await context.evaluateHandle(addScriptContent, contents, id, type)
       ).asElement();
     }
 
     if (content !== null) {
       const context = await this.executionContext();
       return (
-        await context.evaluateHandle(addScriptContent, content, type)
+        await context.evaluateHandle(addScriptContent, content, id, type)
       ).asElement();
     }
 
@@ -324,10 +331,12 @@ export class DOMWorld {
 
     async function addScriptUrl(
       url: string,
+      id: string,
       type: string
     ): Promise<HTMLElement> {
       const script = document.createElement('script');
       script.src = url;
+      if (id) script.id = id;
       if (type) script.type = type;
       const promise = new Promise((res, rej) => {
         script.onload = res;
@@ -340,11 +349,13 @@ export class DOMWorld {
 
     function addScriptContent(
       content: string,
+      id: string,
       type = 'text/javascript'
     ): HTMLElement {
       const script = document.createElement('script');
       script.type = type;
       script.text = content;
+      if (id) script.id = id;
       let error = null;
       script.onerror = (e) => (error = e);
       document.head.appendChild(script);

src/common/Page.ts

@@ -1280,6 +1280,7 @@ export class Page extends EventEmitter {
     path?: string;
     content?: string;
     type?: string;
+    id?: string;
   }): Promise<ElementHandle> {
     return this.mainFrame().addScriptTag(options);
   }

test/page.spec.ts

@@ -1406,6 +1406,15 @@ describe('Page', function () {
       expect(await page.evaluate(() => globalThis.__injected)).toBe(35);
     });
 
+    it('should add id when provided', async () => {
+      const { page, server } = getTestState();
+      await page.goto(server.EMPTY_PAGE);
+      await page.addScriptTag({ content: 'window.__injected = 1;', id: 'one' });
+      await page.addScriptTag({ url: '/injectedfile.js', id: 'two' });
+      expect(await page.$('#one')).not.toBeNull();
+      expect(await page.$('#two')).not.toBeNull();
+    });
+
     // @see https://github.com/puppeteer/puppeteer/issues/4840
     xit('should throw when added with content to the CSP page', async () => {
       const { page, server } = getTestState();