Event ‣ log - chung-leong/zigar GitHub Wiki

Occurs when data gets written to stdout or stderr.

Usage

const std = @import("std");

pub fn hello() void {
    std.debug.print("Hello world\n", .{});
}

import { __zigar, hello } from './event-log-example-1.zig';
const { on } = __zigar;

on('log', (evt) => {
  console.log(evt);
  return true;
});
hello();

{ source: 'stderr', message: 'Hello world' }

Event fields:

• source: string
  Name of The stream to which data was sent. Either "stdout" or "stderr".
• message: string
  Text that was sent.

Return value:

boolean|undefined
true if the message was processed, false if it was ignored. undefined means the listener declined to handle the event, allowing the default action of calling console.log() to occur.

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Events