refactor: Port renderer/web-view to TypeScript (#17250)

lib/renderer/web-view/web-view-constants.ts

@@ -0,0 +1,26 @@
+export const enum WEB_VIEW_CONSTANTS {
+  // Attributes.
+  ATTRIBUTE_NAME = 'name',
+  ATTRIBUTE_PARTITION = 'partition',
+  ATTRIBUTE_SRC = 'src',
+  ATTRIBUTE_HTTPREFERRER = 'httpreferrer',
+  ATTRIBUTE_NODEINTEGRATION = 'nodeintegration',
+  ATTRIBUTE_ENABLEREMOTEMODULE = 'enableremotemodule',
+  ATTRIBUTE_PLUGINS = 'plugins',
+  ATTRIBUTE_DISABLEWEBSECURITY = 'disablewebsecurity',
+  ATTRIBUTE_ALLOWPOPUPS = 'allowpopups',
+  ATTRIBUTE_PRELOAD = 'preload',
+  ATTRIBUTE_USERAGENT = 'useragent',
+  ATTRIBUTE_BLINKFEATURES = 'blinkfeatures',
+  ATTRIBUTE_DISABLEBLINKFEATURES = 'disableblinkfeatures',
+  ATTRIBUTE_WEBPREFERENCES = 'webpreferences',
+
+  // Internal attribute.
+  ATTRIBUTE_INTERNALINSTANCEID = 'internalinstanceid',
+
+  // Error messages.
+  ERROR_MSG_ALREADY_NAVIGATED = 'The object has already navigated, so its partition cannot be changed.',
+  ERROR_MSG_CANNOT_INJECT_SCRIPT = '<webview> = ' + 'Script cannot be injected into content until the page has loaded.',
+  ERROR_MSG_INVALID_PARTITION_ATTRIBUTE = 'Invalid partition attribute.',
+  ERROR_MSG_INVALID_PRELOAD_ATTRIBUTE = 'Only "file:" protocol is supported in "preload" attribute.'
+}