logger.js

import fs from "fs";
import path from "path";
import { useProject } from "./project.js";
import { lazy } from "./util/lazy.js";
let previous = new Date();
const useFile = lazy(() => {
    const project = useProject();
    const filePath = path.join(project.paths.out, "debug.log");
    const file = fs.createWriteStream(filePath);
    return file;
});
export const Logger = {
    debug(...parts) {
        const now = new Date();
        const diff = now.getTime() - previous.getTime();
        previous = now;
        const line = [
            new Date().toISOString(),
            `+${diff}ms`.padStart(8),
            "[debug]",
            ...parts.map((x) => {
                if (typeof x === "string")
                    return x;
                return JSON.stringify(x);
            }),
        ];
        if (process.env.SST_VERBOSE)
            console.log(...line);
        const file = useFile();
        file.write(line.join(" ") + "\n");
    },
};