Alex Newman
7fac3e3bb6
- Introduced a detailed reference for implementing hooks in Claude Code, covering configuration, project-specific scripts, plugin hooks, and various hook events. - Explained the input modes available in the Claude Agent SDK, emphasizing the benefits of streaming input mode and providing implementation examples for both streaming and single message input. - Highlighted security considerations and best practices for writing hooks, along with debugging tips and execution details.
55 lines
1.7 KiB
JavaScript
Executable File
55 lines
1.7 KiB
JavaScript
Executable File
#!/usr/bin/env bun
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/**
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* Session Start Hook (SDK Version)
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*
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* Calls the CLI to load relevant context from ChromaDB at session start.
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*/
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import { createHookResponse, debugLog } from './shared/hook-helpers.js';
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// Read stdin
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let input = '';
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process.stdin.setEncoding('utf8');
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process.stdin.on('data', (chunk) => {
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input += chunk;
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});
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process.stdin.on('end', async () => {
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const payload = input ? JSON.parse(input) : {};
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debugLog('SessionStart hook invoked (SDK version)', { cwd: payload.cwd });
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const { cwd, source } = payload;
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// Run on startup or /clear
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if (source !== 'startup' && source !== 'clear') {
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const response = createHookResponse('SessionStart', true);
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console.log(JSON.stringify(response));
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process.exit(0);
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}
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try {
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// Call the CLI to load context
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const { executeCliCommand } = await import('./shared/hook-helpers.js');
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const result = await executeCliCommand('claude-mem', ['load-context', '--format', 'session-start']);
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if (result.success && result.stdout) {
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// Per Claude Code docs: for SessionStart, stdout with exit code 0 is added to context
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// Use plain stdout instead of JSON to ensure it appears in Claude's context
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console.log(result.stdout);
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process.exit(0);
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} else {
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// Return without context - use JSON with suppressOutput to avoid empty context
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const response = createHookResponse('SessionStart', true);
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console.log(JSON.stringify(response));
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process.exit(0);
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}
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} catch (error) {
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// Continue without context on error
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const response = createHookResponse('SessionStart', true);
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console.log(JSON.stringify(response));
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process.exit(0);
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}
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}); |