chore(rpc): more protocol nits (#3246)

docs/api.md

@@ -217,7 +217,7 @@ Indicates that the browser is connected.
   - `httpCredentials` <[Object]> Credentials for [HTTP authentication](https://developer.mozilla.org/en-US/docs/Web/HTTP/Authentication).
     - `username` <[string]>
     - `password` <[string]>
-  - `colorScheme` <"dark"|"light"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See [page.emulateMedia(options)](#pageemulatemediaoptions) for more details. Defaults to '`light`'.
+  - `colorScheme` <"light"|"dark"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See [page.emulateMedia(options)](#pageemulatemediaoptions) for more details. Defaults to '`light`'.
   - `logger` <[Logger]> Logger sink for Playwright logging.
 - returns: <[Promise]<[BrowserContext]>>
 
@@ -259,7 +259,7 @@ Creates a new browser context. It won't share cookies/cache with other browser c
   - `httpCredentials` <[Object]> Credentials for [HTTP authentication](https://developer.mozilla.org/en-US/docs/Web/HTTP/Authentication).
     - `username` <[string]>
     - `password` <[string]>
-  - `colorScheme` <"dark"|"light"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See [page.emulateMedia(options)](#pageemulatemediaoptions) for more details. Defaults to '`light`'.
+  - `colorScheme` <"light"|"dark"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See [page.emulateMedia(options)](#pageemulatemediaoptions) for more details. Defaults to '`light`'.
   - `logger` <[Logger]> Logger sink for Playwright logging.
 - returns: <[Promise]<[Page]>>
 
@@ -1145,8 +1145,8 @@ await page.dispatchEvent('#source', 'dragstart', { dataTransfer });
 
 #### page.emulateMedia(options)
 - `options` <[Object]>
-  - `media` <?"screen"|"print"> Changes the CSS media type of the page. The only allowed values are `'screen'`, `'print'` and `null`. Passing `null` disables CSS media emulation. Omitting `media` or passing `undefined` does not change the emulated value.
-  - `colorScheme` <?"dark"|"light"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. Passing `null` disables color scheme emulation. Omitting `colorScheme` or passing `undefined` does not change the emulated value.
+  - `media` <null|"screen"|"print"> Changes the CSS media type of the page. The only allowed values are `'screen'`, `'print'` and `null`. Passing `null` disables CSS media emulation. Omitting `media` or passing `undefined` does not change the emulated value.
+  - `colorScheme` <null|"light"|"dark"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. Passing `null` disables color scheme emulation. Omitting `colorScheme` or passing `undefined` does not change the emulated value.
 - returns: <[Promise]>
 
 ```js
@@ -4074,7 +4074,7 @@ const browser = await chromium.launch({  // Or 'firefox' or 'webkit'.
   - `httpCredentials` <[Object]> Credentials for [HTTP authentication](https://developer.mozilla.org/en-US/docs/Web/HTTP/Authentication).
     - `username` <[string]>
     - `password` <[string]>
-  - `colorScheme` <"dark"|"light"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See [page.emulateMedia(options)](#pageemulatemediaoptions) for more details. Defaults to '`light`'.
+  - `colorScheme` <"light"|"dark"|"no-preference"> Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See [page.emulateMedia(options)](#pageemulatemediaoptions) for more details. Defaults to '`light`'.
 - returns: <[Promise]<[BrowserContext]>> Promise that resolves to the persistent browser context instance.
 
 Launches browser that uses persistent storage located at `userDataDir` and returns the only context. Closing this context will automatically close the browser.

src/rpc/channels.ts

@@ -317,7 +317,7 @@ export type BrowserTypeLaunchPersistentContextParams = {
   deviceScaleFactor?: number,
   isMobile?: boolean,
   hasTouch?: boolean,
-  colorScheme?: 'dark' | 'light' | 'no-preference',
+  colorScheme?: 'light' | 'dark' | 'no-preference',
   acceptDownloads?: boolean,
 };
 export type BrowserTypeLaunchPersistentContextOptions = {
@@ -372,7 +372,7 @@ export type BrowserTypeLaunchPersistentContextOptions = {
   deviceScaleFactor?: number,
   isMobile?: boolean,
   hasTouch?: boolean,
-  colorScheme?: 'dark' | 'light' | 'no-preference',
+  colorScheme?: 'light' | 'dark' | 'no-preference',
   acceptDownloads?: boolean,
 };
 export type BrowserTypeLaunchPersistentContextResult = {

src/rpc/protocol.yml

@@ -329,8 +329,8 @@ BrowserType:
         colorScheme:
           type: enum?
           literals:
-          - dark
           - light
+          - dark
           - no-preference
         acceptDownloads: boolean?
       returns:

src/rpc/validator.ts

@@ -208,7 +208,7 @@ export function createScheme(tChannel: (name: string) => Validator): Scheme {
     deviceScaleFactor: tOptional(tNumber),
     isMobile: tOptional(tBoolean),
     hasTouch: tOptional(tBoolean),
-    colorScheme: tOptional(tEnum(['dark', 'light', 'no-preference'])),
+    colorScheme: tOptional(tEnum(['light', 'dark', 'no-preference'])),
     acceptDownloads: tOptional(tBoolean),
   });
   scheme.BrowserServerCloseParams = tOptional(tObject({}));

utils/doclint/dumpTypes.js

@@ -0,0 +1,77 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+const playwright = require('../../');
+const path = require('path');
+const Source = require('./Source');
+const mdBuilder = require('./check_public_api/MDBuilder');
+const PROJECT_DIR = path.join(__dirname, '..', '..');
+
+(async () => {
+  const api = await Source.readFile(path.join(PROJECT_DIR, 'docs', 'api.md'));
+  const browser = await playwright.chromium.launch();
+  const page = await browser.newPage();
+  const { documentation } = await mdBuilder(page, [api]);
+  const result = serialize(documentation);
+  console.log(JSON.stringify(result, undefined, 2));
+  await browser.close();
+})()
+
+function serialize(documentation) {
+  const result = {};
+  for (const clazz of documentation.classesArray)
+    result[clazz.name] = serializeClass(clazz);
+  return result;
+}
+
+function serializeClass(clazz) {
+  const result = { name: clazz.name };
+  result.members = {};
+  for (const member of clazz.membersArray)
+    result.members[member.name] = serializeMember(member);
+  return result;
+}
+
+function serializeMember(member) {
+  const result = { ...member };
+  delete result.args;
+  delete result.argsArray;
+  result.args = {};
+  for (const arg of member.argsArray)
+    result.args[arg.name] = serializeProperty(arg);
+  if (member.type)
+    result.type = serializeType(member.type)
+  return result;
+}
+
+function serializeProperty(arg) {
+  const result = { ...arg };
+  delete result.args;
+  delete result.argsArray;
+  if (arg.type)
+    result.type = serializeType(arg.type)
+  return result;
+}
+
+function serializeType(type) {
+  const result = { ...type };
+  if (type.properties) {
+    result.properties = {};
+    for (const prop of type.properties)
+      result.properties[prop.name] = serializeProperty(prop);
+  }
+  return result;
+}