chore: collapse readme (#404)

This commit is contained in:
Pavel Feldman
2025-05-12 16:42:47 -07:00
committed by GitHub
parent fea3f26e85
commit a1eee8351e
11 changed files with 491 additions and 323 deletions

View File

@@ -17,54 +17,6 @@
import { z } from 'zod';
import { defineTool, type ToolFactory } from './tool.js';
const wait: ToolFactory = captureSnapshot => defineTool({
capability: 'wait',
schema: {
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().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) => {
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,
captureSnapshot,
waitForNetwork: false,
};
},
});
const close = defineTool({
capability: 'core',
@@ -122,6 +74,5 @@ const resize: ToolFactory = captureSnapshot => defineTool({
export default (captureSnapshot: boolean) => [
close,
wait(captureSnapshot),
resize(captureSnapshot)
];

90
src/tools/screenshot.ts Normal file
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@@ -0,0 +1,90 @@
/**
* 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 { z } from 'zod';
import { defineTool } from './tool.js';
import * as javascript from '../javascript.js';
import { outputFile } from '../config.js';
import { generateLocator } from './utils.js';
import type * as playwright from 'playwright';
const screenshotSchema = z.object({
raw: z.boolean().optional().describe('Whether to return without compression (in PNG format). Default is false, which returns a JPEG image.'),
filename: z.string().optional().describe('File name to save the screenshot to. Defaults to `page-{timestamp}.{png|jpeg}` if not specified.'),
element: z.string().optional().describe('Human-readable element description used to obtain permission to screenshot the element. If not provided, the screenshot will be taken of viewport. If element is provided, ref must be provided too.'),
ref: z.string().optional().describe('Exact target element reference from the page snapshot. If not provided, the screenshot will be taken of viewport. If ref is provided, element must be provided too.'),
}).refine(data => {
return !!data.element === !!data.ref;
}, {
message: 'Both element and ref must be provided or neither.',
path: ['ref', 'element']
});
const screenshot = defineTool({
capability: 'core',
schema: {
name: 'browser_take_screenshot',
title: 'Take a screenshot',
description: `Take a screenshot of the current page. You can't perform actions based on the screenshot, use browser_snapshot for actions.`,
inputSchema: screenshotSchema,
type: 'readOnly',
},
handle: async (context, params) => {
const tab = context.currentTabOrDie();
const snapshot = tab.snapshotOrDie();
const fileType = params.raw ? 'png' : 'jpeg';
const fileName = await outputFile(context.config, params.filename ?? `page-${new Date().toISOString()}.${fileType}`);
const options: playwright.PageScreenshotOptions = { type: fileType, quality: fileType === 'png' ? undefined : 50, scale: 'css', path: fileName };
const isElementScreenshot = params.element && params.ref;
const code = [
`// Screenshot ${isElementScreenshot ? params.element : 'viewport'} and save it as ${fileName}`,
];
const locator = params.ref ? snapshot.refLocator(params.ref) : null;
if (locator)
code.push(`await page.${await generateLocator(locator)}.screenshot(${javascript.formatObject(options)});`);
else
code.push(`await page.screenshot(${javascript.formatObject(options)});`);
const includeBase64 = !context.config.noImageResponses;
const action = async () => {
const screenshot = locator ? await locator.screenshot(options) : await tab.page.screenshot(options);
return {
content: includeBase64 ? [{
type: 'image' as 'image',
data: screenshot.toString('base64'),
mimeType: fileType === 'png' ? 'image/png' : 'image/jpeg',
}] : []
};
};
return {
code,
action,
captureSnapshot: true,
waitForNetwork: false,
};
}
});
export default [
screenshot,
];

View File

@@ -18,9 +18,7 @@ import { z } from 'zod';
import { defineTool } from './tool.js';
import * as javascript from '../javascript.js';
import { outputFile } from '../config.js';
import type * as playwright from 'playwright';
import { generateLocator } from './utils.js';
const snapshot = defineTool({
capability: 'core',
@@ -218,72 +216,6 @@ const selectOption = defineTool({
},
});
const screenshotSchema = z.object({
raw: z.boolean().optional().describe('Whether to return without compression (in PNG format). Default is false, which returns a JPEG image.'),
filename: z.string().optional().describe('File name to save the screenshot to. Defaults to `page-{timestamp}.{png|jpeg}` if not specified.'),
element: z.string().optional().describe('Human-readable element description used to obtain permission to screenshot the element. If not provided, the screenshot will be taken of viewport. If element is provided, ref must be provided too.'),
ref: z.string().optional().describe('Exact target element reference from the page snapshot. If not provided, the screenshot will be taken of viewport. If ref is provided, element must be provided too.'),
}).refine(data => {
return !!data.element === !!data.ref;
}, {
message: 'Both element and ref must be provided or neither.',
path: ['ref', 'element']
});
const screenshot = defineTool({
capability: 'core',
schema: {
name: 'browser_take_screenshot',
title: 'Take a screenshot',
description: `Take a screenshot of the current page. You can't perform actions based on the screenshot, use browser_snapshot for actions.`,
inputSchema: screenshotSchema,
type: 'readOnly',
},
handle: async (context, params) => {
const tab = context.currentTabOrDie();
const snapshot = tab.snapshotOrDie();
const fileType = params.raw ? 'png' : 'jpeg';
const fileName = await outputFile(context.config, params.filename ?? `page-${new Date().toISOString()}.${fileType}`);
const options: playwright.PageScreenshotOptions = { type: fileType, quality: fileType === 'png' ? undefined : 50, scale: 'css', path: fileName };
const isElementScreenshot = params.element && params.ref;
const code = [
`// Screenshot ${isElementScreenshot ? params.element : 'viewport'} and save it as ${fileName}`,
];
const locator = params.ref ? snapshot.refLocator(params.ref) : null;
if (locator)
code.push(`await page.${await generateLocator(locator)}.screenshot(${javascript.formatObject(options)});`);
else
code.push(`await page.screenshot(${javascript.formatObject(options)});`);
const includeBase64 = !context.config.noImageResponses;
const action = async () => {
const screenshot = locator ? await locator.screenshot(options) : await tab.page.screenshot(options);
return {
content: includeBase64 ? [{
type: 'image' as 'image',
data: screenshot.toString('base64'),
mimeType: fileType === 'png' ? 'image/png' : 'image/jpeg',
}] : []
};
};
return {
code,
action,
captureSnapshot: true,
waitForNetwork: false,
};
}
});
export async function generateLocator(locator: playwright.Locator): Promise<string> {
return (locator as any)._generateLocatorString();
}
export default [
snapshot,
click,
@@ -291,5 +223,4 @@ export default [
hover,
type,
selectOption,
screenshot,
];

View File

@@ -77,3 +77,7 @@ export function sanitizeForFilePath(s: string) {
return sanitize(s);
return sanitize(s.substring(0, separator)) + '.' + sanitize(s.substring(separator + 1));
}
export async function generateLocator(locator: playwright.Locator): Promise<string> {
return (locator as any)._generateLocatorString();
}

70
src/tools/wait.ts Normal file
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@@ -0,0 +1,70 @@
/**
* 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 { z } from 'zod';
import { defineTool, type ToolFactory } from './tool.js';
const wait: ToolFactory = captureSnapshot => defineTool({
capability: 'wait',
schema: {
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().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) => {
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,
captureSnapshot,
waitForNetwork: false,
};
},
});
export default (captureSnapshot: boolean) => [
wait(captureSnapshot),
];