Files
ECC/scripts/hooks/posttooluse-dispatcher.js

333 lines
11 KiB
JavaScript

#!/usr/bin/env node
/**
* Consolidates PostToolUse hooks into one synchronous and one asynchronous
* entrypoint while preserving each hook's ID, matcher, profile, and output.
*/
'use strict';
const path = require('path');
const { StringDecoder } = require('string_decoder');
const { VALID_PROFILES, normalizeId, parseProfiles } = require('../lib/hook-flags');
const { runPostBash } = require('./bash-hook-dispatcher');
const { run: runQualityGate } = require('./quality-gate');
const { run: runDesignQualityCheck } = require('./design-quality-check');
const { run: runPostEditAccumulator } = require('./post-edit-accumulator');
const { run: runConsoleWarn } = require('./post-edit-console-warn');
const { run: runGovernanceCapture } = require('./governance-capture');
const { run: runSessionActivityTracker } = require('./session-activity-tracker');
const { run: runObserve } = require('./observe-runner');
const { run: runMetricsBridge } = require('./ecc-metrics-bridge');
const { run: runContextMonitor } = require('./ecc-context-monitor');
const { run: runHookify } = require('./hookify-runner');
const MAX_STDIN = 1024 * 1024;
const SYNC_HOOKS = [
{ id: 'post:edit:design-quality-check', matcher: 'Edit|Write|MultiEdit', profiles: 'standard,strict', script: 'scripts/hooks/design-quality-check.js', run: runDesignQualityCheck },
{ id: 'post:edit:accumulator', matcher: 'Edit|Write|MultiEdit', profiles: 'standard,strict', script: 'scripts/hooks/post-edit-accumulator.js', run: runPostEditAccumulator },
{ id: 'post:edit:console-warn', matcher: 'Edit', profiles: 'standard,strict', script: 'scripts/hooks/post-edit-console-warn.js', run: runConsoleWarn },
{ id: 'post:governance-capture', matcher: 'Bash|Write|Edit|MultiEdit', profiles: 'standard,strict', script: 'scripts/hooks/governance-capture.js', run: runGovernanceCapture },
{ id: 'post:session-activity-tracker', matcher: '*', profiles: 'standard,strict', script: 'scripts/hooks/session-activity-tracker.js', run: runSessionActivityTracker },
{ id: 'post:ecc-metrics-bridge', matcher: '*', profiles: 'minimal,standard,strict', script: 'scripts/hooks/ecc-metrics-bridge.js', run: runMetricsBridge },
{ id: 'post:ecc-context-monitor', matcher: '*', profiles: 'standard,strict', script: 'scripts/hooks/ecc-context-monitor.js', run: runContextMonitor },
{
id: 'post:hookify',
matcher: '*',
profiles: 'minimal,standard,strict',
script: 'scripts/hooks/hookify-runner.js',
run(raw, context = {}) {
const result = runHookify(raw, {
expectedEvent: 'PostToolUse',
projectRoot: process.cwd(),
truncated: context.truncated === true
});
return result.stdout === '{}' ? { ...result, stdout: '' } : result;
}
}
];
const ASYNC_HOOKS = [
{
id: 'post:bash:dispatcher',
matcher: 'Bash',
// main ran this phase unconditionally; sub-hooks gate themselves internally
profiles: 'minimal,standard,strict',
script: 'scripts/hooks/post-bash-dispatcher.js',
run(raw) {
const result = runPostBash(raw);
return { stdout: result.output, stderr: result.stderr, exitCode: result.exitCode };
}
},
{ id: 'post:quality-gate', matcher: 'Edit|Write|MultiEdit', profiles: 'standard,strict', script: 'scripts/hooks/quality-gate.js', run: runQualityGate },
{ id: 'post:observe:continuous-learning', matcher: '*', profiles: 'standard,strict', script: 'scripts/hooks/observe-runner.js', run: runObserve }
];
function getPluginRoot(env = process.env) {
return env.CLAUDE_PLUGIN_ROOT || env.ECC_PLUGIN_ROOT || path.resolve(__dirname, '..', '..');
}
function matchesTool(matcher, toolName) {
return (
matcher === '*' ||
String(matcher || '')
.split('|')
.map(value => value.trim())
.filter(Boolean)
.includes(String(toolName || ''))
);
}
function isEnabled(hook, env) {
const disabled = new Set(
String(env.ECC_DISABLED_HOOKS || '')
.split(',')
.map(normalizeId)
.filter(Boolean)
);
const requestedProfile = String(env.ECC_HOOK_PROFILE || 'standard')
.trim()
.toLowerCase();
const profile = VALID_PROFILES.has(requestedProfile) ? requestedProfile : 'standard';
return !disabled.has(normalizeId(hook.id)) && parseProfiles(hook.profiles).includes(profile);
}
function extractToolName(raw) {
try {
return String(JSON.parse(raw)?.tool_name || '');
} catch {
return '';
}
}
function buildDryRunPreview(hook, raw) {
let target = '';
try {
const input = JSON.parse(raw)?.tool_input || {};
target = String(input.file_path || input.path || input.command || '');
} catch {
target = '';
}
const suffix = target ? ` target=${target}` : '';
return `[DryRun] Hook "${hook.id}" would execute: ${hook.script} (enabled=true, profiles=${hook.profiles})${suffix}\n`;
}
function normalizeResult(raw, output) {
if (typeof output === 'string' || Buffer.isBuffer(output)) {
const stdout = String(output);
return { stdout: stdout !== raw ? stdout : '', stderr: '', exitCode: 0 };
}
if (!output || typeof output !== 'object') {
return { stdout: '', stderr: '', exitCode: 0 };
}
let stdout = '';
if (Object.prototype.hasOwnProperty.call(output, 'stdout')) {
stdout = String(output.stdout ?? '');
} else if (Object.prototype.hasOwnProperty.call(output, 'output')) {
stdout = String(output.output ?? '');
} else if (Object.prototype.hasOwnProperty.call(output, 'additionalContext')) {
stdout = JSON.stringify({
hookSpecificOutput: {
hookEventName: 'PostToolUse',
additionalContext: String(output.additionalContext ?? '')
}
});
}
return {
stdout: stdout !== raw ? stdout : '',
stderr: typeof output.stderr === 'string' ? output.stderr : '',
exitCode: Number.isInteger(output.exitCode) ? output.exitCode : 0
};
}
function appendLine(current, next) {
if (!next) return current;
return current + (String(next).endsWith('\n') ? String(next) : `${next}\n`);
}
function parseStructuredPostOutput(stdout) {
try {
const parsed = JSON.parse(stdout);
if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) return null;
const output = parsed?.hookSpecificOutput;
const context =
output?.hookEventName === 'PostToolUse' &&
typeof output.additionalContext === 'string'
? output.additionalContext
: '';
const blocked = parsed.decision === 'block' && typeof parsed.reason === 'string';
if (!context && !blocked) return null;
return {
context,
decision: blocked ? 'block' : null,
reason: blocked ? parsed.reason : ''
};
} catch {
return null;
}
}
function mergeHookStdout(outputs) {
if (outputs.length === 0) return { stdout: '', warning: '' };
if (outputs.length === 1) return { stdout: outputs[0].stdout, warning: '' };
const structured = outputs.map(output => parseStructuredPostOutput(output.stdout));
if (structured.every(output => output !== null)) {
const contexts = structured.map(output => output.context).filter(Boolean);
const reasons = structured
.filter(output => output.decision === 'block')
.map(output => output.reason);
const payload = {
...(reasons.length > 0
? { decision: 'block', reason: reasons.join('\n\n') }
: {}),
...(contexts.length > 0
? {
hookSpecificOutput: {
hookEventName: 'PostToolUse',
additionalContext: contexts.join('\n')
}
}
: {})
};
return {
stdout: JSON.stringify(payload),
warning: ''
};
}
const kept = outputs[outputs.length - 1];
const dropped = outputs
.slice(0, -1)
.map(output => output.id)
.join(', ');
return {
stdout: kept.stdout,
warning: `[Hook] stdout from ${dropped} dropped in favor of ${kept.id}; raw stdout cannot be merged`
};
}
function runHooks(raw, hooks, options = {}) {
const env = options.env || process.env;
const toolName = options.toolName ?? extractToolName(raw);
const pluginRoot = getPluginRoot(env);
const outputs = [];
let stderr = '';
let exitCode = 0;
for (const hook of hooks) {
if (!matchesTool(hook.matcher, toolName) || !isEnabled(hook, env)) continue;
if (env.ECC_DRY_RUN === '1') {
stderr += buildDryRunPreview(hook, raw);
continue;
}
try {
const result = normalizeResult(
raw,
hook.run(raw, {
hookId: hook.id,
pluginRoot,
scriptPath: path.join(pluginRoot, hook.script || ''),
truncated: options.truncated === true,
maxStdin: MAX_STDIN
})
);
if (result.stdout) outputs.push({ id: hook.id, stdout: result.stdout });
stderr = appendLine(stderr, result.stderr);
if (result.exitCode !== 0) {
if (exitCode === 0) exitCode = result.exitCode;
stderr = appendLine(stderr, `[Hook] ${hook.id} exited with code ${result.exitCode}; continuing`);
}
} catch (error) {
stderr = appendLine(stderr, `[Hook] ${hook.id} failed: ${error.message}`);
}
}
const merged = mergeHookStdout(outputs);
if (merged.warning) stderr = appendLine(stderr, merged.warning);
return { stdout: merged.stdout, stderr, exitCode };
}
function readStdinRaw() {
return new Promise(resolve => {
const decoder = new StringDecoder('utf8');
let raw = '';
let bytesRead = 0;
let truncated = false;
let settled = false;
process.stdin.on('data', chunk => {
const buffer = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk);
const remaining = Math.max(0, MAX_STDIN - bytesRead);
const accepted = buffer.subarray(0, remaining);
if (accepted.length > 0) {
raw += decoder.write(accepted);
bytesRead += accepted.length;
}
if (buffer.length > accepted.length) truncated = true;
});
const finish = () => {
if (settled) return;
settled = true;
if (!truncated) raw += decoder.end();
resolve({ raw, truncated });
};
process.stdin.once('end', finish);
process.stdin.once('error', finish);
});
}
function resolveMainStdout(raw, result, options = {}) {
if (result.stdout) return result.stdout;
if (options.truncated || result.exitCode !== 0 || !options.passthrough) return '';
return raw;
}
async function main() {
const mode = process.argv[2] === 'async' ? 'async' : 'sync';
const { raw, truncated } = await readStdinRaw();
const dispatcherId = `post:dispatcher:${mode}`;
const dispatcherEnabled = isEnabled(
{
id: dispatcherId,
profiles: 'minimal,standard,strict'
},
process.env
);
const hooks = dispatcherEnabled ? (mode === 'async' ? ASYNC_HOOKS : SYNC_HOOKS) : [];
const result = runHooks(raw, hooks, { truncated });
if (truncated) {
process.stderr.write(`[Hook] stdin exceeded ${MAX_STDIN} bytes for PostToolUse ${mode}; suppressing pass-through\n`);
}
if (result.stderr) process.stderr.write(result.stderr);
const stdout = resolveMainStdout(raw, result, {
passthrough: process.env.ECC_POSTTOOLUSE_PASSTHROUGH === '1',
truncated
});
if (stdout) process.stdout.write(stdout);
process.exitCode = result.exitCode;
}
function cli() {
main().catch(error => {
process.stderr.write(`[Hook] PostToolUse dispatcher failed: ${error.message}\n`);
process.exitCode = 0;
});
}
if (require.main === module) cli();
module.exports = {
ASYNC_HOOKS,
SYNC_HOOKS,
cli,
matchesTool,
main,
mergeHookStdout,
normalizeResult,
resolveMainStdout,
runHooks
};