71 lines
2.5 KiB
TypeScript
71 lines
2.5 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import type { z } from 'zod';
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import type { Context } from '../context.js';
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import type * as playwright from 'playwright';
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import type { ToolCapability } from '../../config.js';
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import type { Tab } from '../tab.js';
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import type { Response } from '../response.js';
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import type { ToolSchema } from '../mcp/tool.js';
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export type FileUploadModalState = {
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type: 'fileChooser';
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description: string;
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fileChooser: playwright.FileChooser;
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};
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export type DialogModalState = {
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type: 'dialog';
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description: string;
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dialog: playwright.Dialog;
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};
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export type ModalState = FileUploadModalState | DialogModalState;
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export type Tool<Input extends z.Schema = z.Schema> = {
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capability: ToolCapability;
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schema: ToolSchema<Input>;
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handle: (context: Context, params: z.output<Input>, response: Response) => Promise<void>;
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};
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export function defineTool<Input extends z.Schema>(tool: Tool<Input>): Tool<Input> {
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return tool;
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}
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export type TabTool<Input extends z.Schema = z.Schema> = {
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capability: ToolCapability;
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schema: ToolSchema<Input>;
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clearsModalState?: ModalState['type'];
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handle: (tab: Tab, params: z.output<Input>, response: Response) => Promise<void>;
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};
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export function defineTabTool<Input extends z.Schema>(tool: TabTool<Input>): Tool<Input> {
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return {
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...tool,
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handle: async (context, params, response) => {
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const tab = context.currentTabOrDie();
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const modalStates = tab.modalStates().map(state => state.type);
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if (tool.clearsModalState && !modalStates.includes(tool.clearsModalState))
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response.addError(`Error: The tool "${tool.schema.name}" can only be used when there is related modal state present.\n` + tab.modalStatesMarkdown().join('\n'));
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else if (!tool.clearsModalState && modalStates.length)
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response.addError(`Error: Tool "${tool.schema.name}" does not handle the modal state.\n` + tab.modalStatesMarkdown().join('\n'));
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else
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return tool.handle(tab, params, response);
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},
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};
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}
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