70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
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#!/usr/bin/env node
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import { stdin as processStdin, stdout as processStdout } from "node:process";
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import { type CodexSessionStartInput, runSessionStartHook } from "./codex-hook.js";
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const command = process.argv[2];
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const subcommand = process.argv[3];
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if (command === "hook" && subcommand === "session-start") {
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await runHookCli();
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} else {
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process.stderr.write("Usage: codex-telemetry hook session-start\n");
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process.exitCode = 1;
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}
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async function runHookCli(): Promise<void> {
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const raw = await readStdin();
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if (raw.trim().length === 0) return;
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const parsed = parseHookInput(raw);
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if (!isCodexSessionStartInput(parsed)) return;
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const output = await runSessionStartHook(parsed);
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if (output.length > 0) {
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processStdout.write(output);
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}
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}
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function parseHookInput(raw: string): unknown | undefined {
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try {
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const parsed: unknown = JSON.parse(raw);
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return parsed;
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} catch {
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return undefined;
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}
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}
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function isCodexSessionStartInput(value: unknown): value is CodexSessionStartInput {
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return (
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isRecord(value) &&
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value["hook_event_name"] === "SessionStart" &&
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typeof value["session_id"] === "string" &&
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isStringOrNull(value["transcript_path"]) &&
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typeof value["cwd"] === "string" &&
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typeof value["model"] === "string" &&
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typeof value["permission_mode"] === "string" &&
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typeof value["source"] === "string"
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);
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}
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function isStringOrNull(value: unknown): value is string | null {
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return typeof value === "string" || value === null;
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}
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function isRecord(value: unknown): value is Record<string, unknown> {
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return typeof value === "object" && value !== null && !Array.isArray(value);
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}
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function readStdin(): Promise<string> {
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return new Promise((resolve, reject) => {
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let data = "";
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processStdin.setEncoding("utf8");
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processStdin.on("data", (chunk: string) => {
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data += chunk;
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});
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processStdin.once("error", reject);
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processStdin.once("end", () => {
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resolve(data);
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});
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});
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}
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