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oh-my-pi/packages/coding-agent/examples/hooks/file-trigger.ts
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41 lines
998 B
TypeScript

/**
* File Trigger Hook
*
* Watches a trigger file and injects its contents into the conversation.
* Useful for external systems to send messages to the agent.
*
* Usage:
* echo "Run the tests" > /tmp/agent-trigger.txt
*/
import * as fs from "node:fs";
import type { HookAPI } from "@oh-my-pi/pi-coding-agent";
export default function (pi: HookAPI) {
pi.on("session_start", async (_event, ctx) => {
const triggerFile = "/tmp/agent-trigger.txt";
fs.watch(triggerFile, async () => {
try {
const content = (await Bun.file(triggerFile).text()).trim();
if (content) {
pi.sendMessage(
{
customType: "file-trigger",
content: `External trigger: ${content}`,
display: true,
},
true, // triggerTurn - get LLM to respond
);
await Bun.write(triggerFile, ""); // Clear after reading
}
} catch {
// File might not exist yet
}
});
if (ctx.hasUI) {
ctx.ui.notify(`Watching ${triggerFile}`, "info");
}
});
}