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feat(wait): allow waiting for given text (#390)

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Fixes https://github.com/microsoft/playwright-mcp/issues/389
This commit is contained in:
Pavel Feldman
2025-05-09 15:35:28 -07:00
committed by GitHub
parent 65716b60dd
commit c28b480b51
4 changed files with 124 additions and 12 deletions
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37
src/tools/common.ts
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@@ -21,19 +21,44 @@ const wait: ToolFactory = captureSnapshot => defineTool({
capability: 'wait',
schema: {
name: 'browser_wait',
title: 'Wait',
description: 'Wait for a specified time in seconds',
name: 'browser_wait_for',
title: 'Wait for',
description: 'Wait for text to appear or disappear or a specified time to pass',
inputSchema: z.object({
time: z.number().describe('The time to wait in seconds'),
time: z.number().optional().describe('The time to wait in seconds'),
text: z.string().optional().describe('The text to wait for'),
textGone: z.string().optional().describe('The text to wait for to disappear'),
}),
type: 'readOnly',
},
handle: async (context, params) => {
await new Promise(f => setTimeout(f, Math.min(10000, params.time * 1000)));
if (!params.text && !params.textGone && !params.time)
throw new Error('Either time, text or textGone must be provided');
const code: string[] = [];
if (params.time) {
code.push(`await new Promise(f => setTimeout(f, ${params.time!} * 1000));`);
await new Promise(f => setTimeout(f, Math.min(10000, params.time! * 1000)));
}
const tab = context.currentTabOrDie();
const locator = params.text ? tab.page.getByText(params.text).first() : undefined;
const goneLocator = params.textGone ? tab.page.getByText(params.textGone).first() : undefined;
if (goneLocator) {
code.push(`await page.getByText(${JSON.stringify(params.textGone)}).first().waitFor({ state: 'hidden' });`);
await goneLocator.waitFor({ state: 'hidden' });
}
if (locator) {
code.push(`await page.getByText(${JSON.stringify(params.text)}).first().waitFor({ state: 'visible' });`);
await locator.waitFor({ state: 'visible' });
}
return {
code: [`// Waited for ${params.time} seconds`],
code,
captureSnapshot,
waitForNetwork: false,
};