Files
2026-07-13 12:58:18 +08:00

1041 lines
28 KiB
TypeScript

import type { Meta, StoryObj } from "@storybook/angular";
import { moduleMetadata } from "@storybook/angular";
import { CommonModule } from "@angular/common";
import { Component, Injectable, input, signal } from "@angular/core";
import type {
Message,
RenderToolCallConfig,
ToolRenderer,
AngularToolCall,
} from "@copilotkit/angular";
import {
CopilotChatMessageView,
CopilotChatMessageViewCursor,
CopilotKit,
provideCopilotKit,
provideCopilotChatLabels,
} from "@copilotkit/angular";
import { ToolCallStatus } from "@copilotkit/core";
import { z } from "zod"; // Schema validation
const meta: Meta<CopilotChatMessageView> = {
title: "UI/CopilotChatMessageView",
component: CopilotChatMessageView,
parameters: {
docs: {
description: {
component:
"A simple conversation between user and AI using CopilotChatMessageView component.",
},
},
},
decorators: [
moduleMetadata({
imports: [
CommonModule,
CopilotChatMessageView,
CopilotChatMessageViewCursor,
],
providers: [
CopilotKit,
provideCopilotKit({}),
provideCopilotChatLabels({
assistantMessageToolbarCopyMessageLabel: "Copy",
assistantMessageToolbarCopyCodeLabel: "Copy",
assistantMessageToolbarCopyCodeCopiedLabel: "Copied",
assistantMessageToolbarThumbsUpLabel: "Good response",
assistantMessageToolbarThumbsDownLabel: "Bad response",
assistantMessageToolbarReadAloudLabel: "Read aloud",
assistantMessageToolbarRegenerateLabel: "Regenerate",
userMessageToolbarCopyMessageLabel: "Copy",
userMessageToolbarEditMessageLabel: "Edit",
}),
],
}),
],
};
export default meta;
type Story = StoryObj<CopilotChatMessageView>;
// Default story with full conversation - matches React exactly
export const Default: Story = {
parameters: {
layout: "fullscreen",
docs: {
source: {
type: "code",
code: `import { Component } from '@angular/core';
import { CopilotChatMessageView, Message } from '@copilotkit/angular';
@Component({
selector: 'app-chat',
standalone: true,
imports: [CopilotChatMessageView],
template: \`
<copilot-chat-message-view
[messages]="messages"
>
</copilot-chat-message-view>
\`
})
export class ChatComponent {
messages: Message[] = [
{
id: 'user-1',
content: 'Hello! Can you help me understand how React hooks work?',
role: 'user',
},
{
id: 'assistant-1',
content: \`React hooks are functions that let you use state and other React features in functional components. Here are the most common ones:
- **useState** - Manages local state
- **useEffect** - Handles side effects
- **useContext** - Accesses context values
- **useCallback** - Memoizes functions
- **useMemo** - Memoizes values
Would you like me to explain any of these in detail?\`,
role: 'assistant',
},
{
id: 'user-2',
content: 'Yes, could you explain useState with a simple example?',
role: 'user',
},
{
id: 'assistant-2',
content: \`Absolutely! Here's a simple useState example:
\\\`\\\`\\\`jsx
import React, { useState } from 'react';
function Counter() {
const [count, setCount] = useState(0);
return (
<div>
<p>You clicked {count} times</p>
<button onClick={() => setCount(count + 1)}>
Click me
</button>
</div>
);
}
\\\`\\\`\\\`
In this example:
- \\\`useState(0)\\\` initializes the state with value 0
- It returns an array: \\\`[currentValue, setterFunction]\\\`
- \\\`count\\\` is the current state value
- \\\`setCount\\\` is the function to update the state\`,
role: 'assistant',
},
];
// Note: In Angular, thumbs up/down actions are handled through the chat configuration service
// or by providing a custom assistant message component
}`,
language: "typescript",
},
},
},
render: () => {
const messages: Message[] = [
{
id: "user-1",
content: "Hello! Can you help me understand how React hooks work?",
role: "user" as const,
},
{
id: "assistant-1",
content: `React hooks are functions that let you use state and other React features in functional components. Here are the most common ones:
- **useState** - Manages local state
- **useEffect** - Handles side effects
- **useContext** - Accesses context values
- **useCallback** - Memoizes functions
- **useMemo** - Memoizes values
Would you like me to explain any of these in detail?`,
role: "assistant" as const,
},
{
id: "user-2",
content: "Yes, could you explain useState with a simple example?",
role: "user" as const,
},
{
id: "assistant-2",
content: `Absolutely! Here's a simple useState example:
\`\`\`jsx
import React, { useState } from 'react';
function Counter() {
const [count, setCount] = useState(0);
return (
<div>
<p>You clicked {count} times</p>
<button onClick={() => setCount(count + 1)}>
Click me
</button>
</div>
);
}
\`\`\`
In this example:
- \`useState(0)\` initializes the state with value 0
- It returns an array: \`[currentValue, setterFunction]\`
- \`count\` is the current state value
- \`setCount\` is the function to update the state`,
role: "assistant" as const,
},
];
return {
props: {
messages,
},
template: `
<div style="height: 100vh; margin: 0; padding: 0;">
<copilot-chat-message-view
[messages]="messages"
>
</copilot-chat-message-view>
</div>
`,
};
},
};
// ShowCursor story - matches React exactly
export const ShowCursor: Story = {
parameters: {
layout: "fullscreen",
docs: {
source: {
type: "code",
code: `import { Component } from '@angular/core';
import { CopilotChatMessageView, Message } from '@copilotkit/angular';
@Component({
selector: 'app-chat',
standalone: true,
imports: [CopilotChatMessageView],
template: \`
<copilot-chat-message-view
[messages]="messages"
[showCursor]="true"
>
</copilot-chat-message-view>
\`
})
export class ChatComponent {
messages: Message[] = [
{
id: 'user-1',
content: 'Can you explain how AI models work?',
role: 'user',
},
];
// Note: In Angular, thumbs up/down actions are handled through the chat configuration service
// or by providing a custom assistant message component
}`,
language: "typescript",
},
},
},
render: () => {
const messages: Message[] = [
{
id: "user-1",
content: "Can you explain how AI models work?",
role: "user" as const,
},
];
return {
props: {
messages,
showCursor: true,
},
template: `
<div style="height: 100vh; margin: 0; padding: 0;">
<copilot-chat-message-view
[messages]="messages"
[showCursor]="showCursor"
>
</copilot-chat-message-view>
</div>
`,
};
},
};
// Define Zod schema for search args
const searchArgsSchema = z.object({
query: z.string(),
filters: z.array(z.string()).optional(),
});
// Infer type from schema
type SearchArgs = z.infer<typeof searchArgsSchema>;
// SearchToolRender component with explicit inputs
@Component({
standalone: true,
imports: [CommonModule],
template: `
<div [style]="containerStyle">
<div style="font-weight: bold; margin-bottom: 4px">🔍 Search Tool</div>
<div style="font-size: 14px; color: #666">
Query: {{ args?.query }}
@if (args?.filters && args.filters.length > 0) {
<div>Filters: {{ args.filters.join(", ") }}</div>
}
</div>
@if (status === ToolCallStatus.InProgress) {
<div style="margin-top: 8px; color: #0066cc">Searching...</div>
}
@if (status === ToolCallStatus.Complete && result) {
<div style="margin-top: 8px; color: #006600">Results: {{ result }}</div>
}
</div>
`,
})
class SearchToolRenderComponent implements ToolRenderer<SearchArgs> {
readonly ToolCallStatus = ToolCallStatus;
readonly toolCall = input.required<AngularToolCall<SearchArgs>>();
get call(): AngularToolCall<SearchArgs> {
return this.toolCall();
}
get args(): Partial<SearchArgs> | SearchArgs {
return this.call.args;
}
get status() {
return this.call.status;
}
get result(): string | undefined {
const call = this.call;
return call.status === "complete" ? call.result : undefined;
}
get containerStyle() {
return {
padding: "12px",
margin: "8px 0",
"background-color": this.status === "in-progress" ? "#f0f4f8" : "#e6f3ff",
"border-radius": "8px",
border: "1px solid #cce0ff",
};
}
}
// Define Zod schema for calculator args
const calculatorArgsSchema = z.object({
expression: z.string(),
});
// Infer type from schema
type CalculatorArgs = z.infer<typeof calculatorArgsSchema>;
// Service for shared counter state
@Injectable({ providedIn: "root" })
export class CalculatorCounterService {
readonly counter = signal(0);
}
// CalculatorToolRender component with interactive counters
@Component({
standalone: true,
imports: [CommonModule],
template: `
<div [style]="containerStyle">
<div style="font-weight: bold; margin-bottom: 4px">🧮 Calculator</div>
<div style="font-size: 14px; color: #666">
Expression: {{ args?.expression }}
</div>
@if (status === ToolCallStatus.InProgress) {
<div style="margin-top: 8px; color: #cc6600">Calculating...</div>
}
@if (status === ToolCallStatus.Complete && result) {
<div style="margin-top: 8px; color: #006600">Result: {{ result }}</div>
}
<div
style="
margin-top: 12px;
padding: 8px;
background-color: #fff8e6;
border-radius: 4px;
"
>
<div style="font-size: 13px; color: #666; margin-bottom: 4px">
Local counter: {{ counter() }}
</div>
<div style="display: flex; gap: 8px; margin-bottom: 8px">
<button
(click)="decrementLocal()"
style="
padding: 4px 12px;
background-color: #ff9933;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
"
>
-
</button>
<button
(click)="incrementLocal()"
style="
padding: 4px 12px;
background-color: #ff9933;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
"
>
+
</button>
</div>
<div style="border-top: 1px solid #ffcc66; padding-top: 8px">
<div
style="
font-size: 13px;
color: #666;
margin-bottom: 4px;
font-weight: bold;
"
>
Global counter: {{ globalCounter() }}
</div>
<div style="display: flex; gap: 8px">
<button
(click)="decrementGlobal()"
style="
padding: 4px 12px;
background-color: #cc6600;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
"
>
Global -
</button>
<button
(click)="incrementGlobal()"
style="
padding: 4px 12px;
background-color: #cc6600;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
"
>
Global +
</button>
</div>
</div>
</div>
</div>
`,
})
class CalculatorToolRenderComponent implements ToolRenderer<CalculatorArgs> {
readonly ToolCallStatus = ToolCallStatus;
readonly toolCall = input.required<AngularToolCall<CalculatorArgs>>();
counter = signal(0);
// This will be passed from the parent
constructor(private readonly calcCounter: CalculatorCounterService) {}
globalCounter = this.calcCounter.counter;
get call(): AngularToolCall<CalculatorArgs> {
return this.toolCall();
}
get args(): Partial<CalculatorArgs> | CalculatorArgs {
return this.call.args;
}
get status() {
return this.call.status;
}
get result(): string | undefined {
const call = this.call;
return call.status === ToolCallStatus.Complete ? call.result : undefined;
}
get containerStyle() {
return {
padding: "12px",
margin: "8px 0",
"background-color": this.status === "in-progress" ? "#fff9e6" : "#fff4cc",
"border-radius": "8px",
border: "1px solid #ffcc66",
};
}
incrementLocal() {
this.counter.update((v) => v + 1);
}
decrementLocal() {
this.counter.update((v) => v - 1);
}
incrementGlobal() {
this.calcCounter.counter.update((v) => v + 1);
}
decrementGlobal() {
this.calcCounter.counter.update((v) => v - 1);
}
}
// WildcardToolRender component for unmatched tools
@Component({
standalone: true,
imports: [CommonModule],
template: `
<div
style="
padding: 12px;
margin: 8px 0;
background-color: #f5f5f5;
border-radius: 8px;
border: 1px solid #ddd;
"
>
<div style="font-weight: bold; margin-bottom: 4px">🔧 Tool Execution</div>
<div style="font-size: 14px; color: #666">
<pre>{{ argsJson }}</pre>
</div>
@if (status === ToolCallStatus.InProgress) {
<div style="margin-top: 8px; color: #666">Processing...</div>
}
@if (status === ToolCallStatus.Complete && result) {
<div style="margin-top: 8px; color: #333">Output: {{ result }}</div>
}
</div>
`,
})
class WildcardToolRenderComponent implements ToolRenderer<
Record<string, unknown>
> {
readonly ToolCallStatus = ToolCallStatus;
readonly toolCall =
input.required<AngularToolCall<Record<string, unknown>>>();
get call(): AngularToolCall<Record<string, unknown>> {
return this.toolCall();
}
get args(): Partial<Record<string, unknown>> {
return this.call.args;
}
get status() {
return this.call.status;
}
get result(): string | undefined {
const call = this.call;
return call.status === ToolCallStatus.Complete ? call.result : undefined;
}
get argsJson() {
return JSON.stringify(this.args, null, 2);
}
}
const renderToolCallConfigs: RenderToolCallConfig[] = [
{
name: "search",
args: searchArgsSchema,
component: SearchToolRenderComponent,
},
{
name: "calculator",
args: calculatorArgsSchema,
component: CalculatorToolRenderComponent,
},
{
name: "*",
args: z.record(z.string(), z.any()),
component: WildcardToolRenderComponent,
},
];
// WithToolCalls story - matches React exactly
export const WithToolCalls: Story = {
parameters: {
layout: "fullscreen",
docs: {
source: {
type: "code",
code: `import { Component, Input, signal, Injectable } from '@angular/core';
import { CommonModule } from '@angular/common';
import {
CopilotChatMessageView,
CopilotKit,
Message,
ToolCall,
ToolMessage,
provideCopilotKit
} from '@copilotkit/angular';
import { ToolCallStatus } from '@copilotkit/core';
import { z } from 'zod';
// Define Zod schema for search args
const searchArgsSchema = z.object({
query: z.string(),
filters: z.array(z.string()).optional(),
});
// Infer type from schema
type SearchArgs = z.infer<typeof searchArgsSchema>;
// SearchToolRender component
@Component({
standalone: true,
imports: [CommonModule],
template: \`
<div [style]="containerStyle">
<div style="font-weight: bold; margin-bottom: 4px;">🔍 Search Tool</div>
<div style="font-size: 14px; color: #666;">
Query: {{ args?.query }}
@if (args?.filters && args.filters.length > 0) {
<div>Filters: {{ args.filters.join(", ") }}</div>
}
</div>
@if (status === ToolCallStatus.InProgress) {
<div style="margin-top: 8px; color: #0066cc;">Searching...</div>
}
@if (status === ToolCallStatus.Complete && result) {
<div style="margin-top: 8px; color: #006600;">
Results: {{ result }}
</div>
}
</div>
\`
})
class SearchToolRenderComponent {
readonly ToolCallStatus = ToolCallStatus;
@Input({ required: true }) name!: string;
@Input({ required: true }) args!: SearchArgs | Partial<SearchArgs>;
@Input({ required: true }) status!: ToolCallStatus;
@Input() result?: string;
get containerStyle() {
return {
'padding': '12px',
'margin': '8px 0',
'background-color': this.status === ToolCallStatus.InProgress ? '#f0f4f8' : '#e6f3ff',
'border-radius': '8px',
'border': '1px solid #cce0ff'
};
}
}
// Define Zod schema for calculator args
const calculatorArgsSchema = z.object({
expression: z.string(),
});
// Infer type from schema
type CalculatorArgs = z.infer<typeof calculatorArgsSchema>;
// Service for shared counter state
@Injectable({ providedIn: 'root' })
export class CalculatorCounterService {
readonly counter = signal(0);
}
// CalculatorToolRender component with interactive counters
@Component({
standalone: true,
imports: [CommonModule],
template: \`
<div [style]="containerStyle">
<div style="font-weight: bold; margin-bottom: 4px;">🧮 Calculator</div>
<div style="font-size: 14px; color: #666;">
Expression: {{ args?.expression }}
</div>
@if (status === ToolCallStatus.InProgress) {
<div style="margin-top: 8px; color: #cc6600;">Calculating...</div>
}
@if (status === ToolCallStatus.Complete && result) {
<div style="margin-top: 8px; color: #006600;">
Result: {{ result }}
</div>
}
<div style="margin-top: 12px; padding: 8px; background-color: #fff8e6; border-radius: 4px;">
<div style="font-size: 13px; color: #666; margin-bottom: 4px;">
Local counter: {{ counter() }}
</div>
<div style="display: flex; gap: 8px; margin-bottom: 8px;">
<button
(click)="decrementLocal()"
style="padding: 4px 12px; background-color: #ff9933; color: white; border: none; border-radius: 4px; cursor: pointer;">
-
</button>
<button
(click)="incrementLocal()"
style="padding: 4px 12px; background-color: #ff9933; color: white; border: none; border-radius: 4px; cursor: pointer;">
+
</button>
</div>
<div style="border-top: 1px solid #ffcc66; padding-top: 8px;">
<div style="font-size: 13px; color: #666; margin-bottom: 4px; font-weight: bold;">
Global counter: {{ globalCounter() }}
</div>
<div style="display: flex; gap: 8px;">
<button
(click)="decrementGlobal()"
style="padding: 4px 12px; background-color: #cc6600; color: white; border: none; border-radius: 4px; cursor: pointer;">
Global -
</button>
<button
(click)="incrementGlobal()"
style="padding: 4px 12px; background-color: #cc6600; color: white; border: none; border-radius: 4px; cursor: pointer;">
Global +
</button>
</div>
</div>
</div>
</div>
\`
})
class CalculatorToolRenderComponent {
readonly ToolCallStatus = ToolCallStatus;
@Input({ required: true }) name!: string;
@Input({ required: true }) args!: CalculatorArgs | Partial<CalculatorArgs>;
@Input({ required: true }) status!: ToolCallStatus;
@Input() result?: string;
counter = signal(0);
constructor(private readonly calcCounter: CalculatorCounterService) {}
globalCounter = this.calcCounter.counter;
get containerStyle() {
return {
'padding': '12px',
'margin': '8px 0',
'background-color': this.status === ToolCallStatus.InProgress ? '#fff9e6' : '#fff4cc',
'border-radius': '8px',
'border': '1px solid #ffcc66'
};
}
incrementLocal() {
this.counter.update(v => v + 1);
}
decrementLocal() {
this.counter.update(v => v - 1);
}
incrementGlobal() {
this.calcCounter.counter.update(v => v + 1);
}
decrementGlobal() {
this.calcCounter.counter.update(v => v - 1);
}
}
// WildcardToolRender component for unmatched tools
@Component({
standalone: true,
imports: [CommonModule],
template: \`
<div style="padding: 12px; margin: 8px 0; background-color: #f5f5f5; border-radius: 8px; border: 1px solid #ddd;">
<div style="font-weight: bold; margin-bottom: 4px;">🔧 Tool Execution</div>
<div style="font-size: 14px; color: #666;">
<pre>{{ argsJson }}</pre>
</div>
@if (status === ToolCallStatus.InProgress) {
<div style="margin-top: 8px; color: #666;">Processing...</div>
}
@if (status === ToolCallStatus.Complete && result) {
<div style="margin-top: 8px; color: #333;">
Output: {{ result }}
</div>
}
</div>
\`
})
class WildcardToolRenderComponent {
readonly ToolCallStatus = ToolCallStatus;
@Input({ required: true }) name!: string;
@Input({ required: true }) args!: any;
@Input({ required: true }) status!: ToolCallStatus;
@Input() result?: string;
get argsJson() {
return JSON.stringify(this.args, null, 2);
}
}
// Main chat component
@Component({
selector: 'app-chat',
standalone: true,
imports: [
CopilotChatMessageView,
SearchToolRenderComponent,
CalculatorToolRenderComponent,
WildcardToolRenderComponent
],
providers: [
CopilotKit,
provideCopilotKit({
renderToolCalls: [
{
name: 'search',
render: SearchToolRenderComponent
},
{
name: 'calculator',
render: CalculatorToolRenderComponent
},
{
name: '*',
render: WildcardToolRenderComponent
}
]
})
],
template: \`
<copilot-chat-message-view
[messages]="messages">
</copilot-chat-message-view>
\`
})
export class ChatComponent {
messages: Message[] = [
{
id: 'user-1',
content: 'Search for React hooks documentation, calculate 42 * 17 and 100 / 4 + 75, and check the weather in San Francisco',
role: 'user',
},
{
id: 'assistant-1',
content: 'I\\'ll help you search for React hooks documentation, calculate both expressions, and check the weather.',
role: 'assistant',
toolCalls: [
{
id: 'search-1',
type: 'function',
function: {
name: 'search',
arguments: JSON.stringify({
query: 'React hooks documentation',
filters: ['official', 'latest'],
}),
},
},
{
id: 'calc-1',
type: 'function',
function: {
name: 'calculator',
arguments: JSON.stringify({
expression: '42 * 17',
}),
},
},
{
id: 'calc-2',
type: 'function',
function: {
name: 'calculator',
arguments: JSON.stringify({
expression: '100 / 4 + 75',
}),
},
},
{
id: 'weather-1',
type: 'function',
function: {
name: 'getWeather',
arguments: '{"location": "San Francisco", "units": "fahren', // Intentionally cut off mid-word
},
},
],
},
{
id: 'tool-search-1',
role: 'tool',
toolCallId: 'search-1',
content: 'Found 5 relevant documentation pages about React hooks including useState, useEffect, and custom hooks.',
},
{
id: 'tool-calc-1',
role: 'tool',
toolCallId: 'calc-1',
content: '714',
},
{
id: 'tool-calc-2',
role: 'tool',
toolCallId: 'calc-2',
content: '100',
},
{
id: 'tool-weather-1',
role: 'tool',
toolCallId: 'weather-1',
content: 'Current weather in San Francisco: 68°F, partly cloudy with a gentle breeze.',
},
];
}`,
language: "typescript",
},
},
},
decorators: [
moduleMetadata({
imports: [
CommonModule,
CopilotChatMessageView,
SearchToolRenderComponent,
CalculatorToolRenderComponent,
WildcardToolRenderComponent,
],
providers: [
CopilotKit,
provideCopilotKit({
runtimeUrl: undefined, // Explicitly provide undefined to avoid null injector error
renderToolCalls: renderToolCallConfigs,
}),
provideCopilotChatLabels({
assistantMessageToolbarCopyMessageLabel: "Copy",
assistantMessageToolbarCopyCodeLabel: "Copy",
assistantMessageToolbarCopyCodeCopiedLabel: "Copied",
assistantMessageToolbarThumbsUpLabel: "Good response",
assistantMessageToolbarThumbsDownLabel: "Bad response",
assistantMessageToolbarReadAloudLabel: "Read aloud",
assistantMessageToolbarRegenerateLabel: "Regenerate",
userMessageToolbarCopyMessageLabel: "Copy",
userMessageToolbarEditMessageLabel: "Edit",
}),
],
}),
],
render: () => {
const messages: Message[] = [
{
id: "user-1",
content:
"Search for React hooks documentation, calculate 42 * 17 and 100 / 4 + 75, and check the weather in San Francisco",
role: "user" as const,
},
{
id: "assistant-1",
content: `I'll help you search for React hooks documentation, calculate both expressions, and check the weather.`,
role: "assistant" as const,
toolCalls: [
{
id: "search-1",
type: "function" as const,
function: {
name: "search",
arguments: JSON.stringify({
query: "React hooks documentation",
filters: ["official", "latest"],
}),
},
},
{
id: "calc-1",
type: "function" as const,
function: {
name: "calculator",
arguments: JSON.stringify({
expression: "42 * 17",
}),
},
},
{
id: "calc-2",
type: "function" as const,
function: {
name: "calculator",
arguments: JSON.stringify({
expression: "100 / 4 + 75",
}),
},
},
{
id: "weather-1",
type: "function" as const,
function: {
name: "getWeather",
arguments: '{"location": "San Francisco", "units": "fahren', // Intentionally cut off mid-word
},
},
],
} as Message,
{
id: "tool-search-1",
role: "tool" as const,
toolCallId: "search-1",
content:
"Found 5 relevant documentation pages about React hooks including useState, useEffect, and custom hooks.",
} as Message,
{
id: "tool-calc-1",
role: "tool" as const,
toolCallId: "calc-1",
content: "714",
} as Message,
{
id: "tool-calc-2",
role: "tool" as const,
toolCallId: "calc-2",
content: "100",
} as Message,
{
id: "tool-weather-1",
role: "tool" as const,
toolCallId: "weather-1",
content:
"Current weather in San Francisco: 68°F, partly cloudy with a gentle breeze.",
} as Message,
];
return {
props: {
messages,
},
template: `
<div style="height: 100vh; margin: 0; padding: 0;">
<copilot-chat-message-view
[messages]="messages">
</copilot-chat-message-view>
</div>
`,
};
},
};