2022-04-07 13:55:44 -07:00

77 lines
2.7 KiB
TypeScript

/**
* 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.
*/
import type { Page, ViewportSize } from '@playwright/test';
import { createGuid } from 'playwright-core/lib/utils';
export async function mount(page: Page, jsxOrType: any, options: any, baseURL: string, viewport: ViewportSize): Promise<string> {
await page.goto('about:blank');
await (page as any)._resetForReuse();
await (page.context() as any)._resetForReuse();
await page.setViewportSize(viewport);
await page.goto(baseURL);
let component;
if (typeof jsxOrType === 'string')
component = { kind: 'object', type: jsxOrType, options };
else
component = jsxOrType;
const callbacks: Function[] = [];
wrapFunctions(component, page, callbacks);
const dispatchMethod = `__pw_dispatch_${createGuid()}`;
await page.exposeFunction(dispatchMethod, (ordinal: number, args: any[]) => {
callbacks[ordinal](...args);
});
// WebKit does not wait for deferred scripts.
await page.waitForFunction(() => !!(window as any).playwrightMount);
const selector = await page.evaluate(async ({ component, dispatchMethod }) => {
const unwrapFunctions = (object: any) => {
for (const [key, value] of Object.entries(object)) {
if (typeof value === 'string' && (value as string).startsWith('__pw_func_')) {
const ordinal = +value.substring('__pw_func_'.length);
object[key] = (...args: any[]) => {
(window as any)[dispatchMethod](ordinal, args);
};
} else if (typeof value === 'object' && value) {
unwrapFunctions(value);
}
}
};
unwrapFunctions(component);
return await (window as any).playwrightMount(component);
}, { component, dispatchMethod });
return selector;
}
function wrapFunctions(object: any, page: Page, callbacks: Function[]) {
for (const [key, value] of Object.entries(object)) {
const type = typeof value;
if (type === 'function') {
const functionName = '__pw_func_' + callbacks.length;
callbacks.push(value as Function);
object[key] = functionName;
} else if (type === 'object' && value) {
wrapFunctions(value, page, callbacks);
}
}
}