52 lines
1.2 KiB
TypeScript
52 lines
1.2 KiB
TypeScript
import { Variable, bind } from "astal";
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import { readFileAsync, monitorFile } from "astal/file";
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import Gio from "gi://Gio";
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export class System {
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private static _instance: System;
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private async read_name() {
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const content = await readFileAsync("/etc/machine-info");
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const lines = content
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.split("\n")
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.map((line) => line.trim())
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.map((line) => /^PRETTY_HOSTNAME="?([^"]*)"?$/.exec(line))
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.filter((line) => line)
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.map((line) => line[1]);
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if (lines.length > 0) {
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this.#name.set(lines[0]);
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}
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}
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private constructor() {
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monitorFile("/etc/machine-info", async (file, event) => {
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console.log("file changed", file, event);
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switch (event) {
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case Gio.FileMonitorEvent.CHANGES_DONE_HINT:
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await this.read_name();
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break;
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}
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});
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this.read_name();
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}
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public static get_default(): System {
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if (!System._instance) {
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System._instance = new System();
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}
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return System._instance;
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}
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private #name: Variable<string> = Variable("");
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/**
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* The "pretty" hostname of this computer, as a bound value.
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*
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* This value is updated when the `/etc/machine-info` file changes.
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*/
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public get name() {
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return bind(this.#name);
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}
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}
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