jmrh-app/icon.js

#! /usr/local/bin/node
const path = require("path");
const fs = require("fs");

if (process.argv.length < 3) throw new Error("missing args");
const action = process.argv[2];

if (action === "copy") {
    const dir = process.argv[3];
    fs.readdirSync(dir).forEach((file) => {
        if (file.startsWith(".")) return;
        if (/\(\d\)\./.test(file)) return;
        const ext = path.extname(file);
        const filename = file.substr(0, file.length - ext.length);
        const match = /(?<basename>.+)@(?<scale>\d)x$/.exec(filename);
        if (match) {
            fs.copyFileSync(
                path.resolve(dir, file),
                path.resolve(
                    __dirname,
                    "img",
                    match.groups.scale + "x",
                    match.groups.basename + ext
                )
            );
            console.log(match.groups.basename, match.groups.scale);
        } else {
            fs.copyFileSync(
                path.resolve(dir, file),
                path.resolve(__dirname, "img", file)
            );
        }
    });
}

if (action === "rename") {
    const src = process.argv[3];
    const dest = process.argv[4];
    if (!(src && dest)) {
        throw new Error("missing args");
    }

    ["", "2x", "3x"].forEach((scale) => {
        [".png", ".jpg"].forEach((ext) => {
            const oldPath = path.resolve(__dirname, "img", scale, src + ext);
            const newPath = path.resolve(__dirname, "img", scale, dest + ext);
            if (fs.existsSync(oldPath)) {
                fs.renameSync(oldPath, newPath);
                console.log("rename " + oldPath + " -> " + newPath);
            }
        });
    });
}

if (action === "rm") {
    const src = process.argv[3];
    if (!src) {
        throw new Error("missing args");
    }

    ["", "2x", "3x"].forEach((scale) => {
        [".png", ".jpg"].forEach((ext) => {
            const path = path.resolve(__dirname, "img", scale, src + ext);
            if (fs.existsSync(path)) {
                console.log("delete " + path);
            }
        });
    });
}

if (action === "optimize") {
    function readdir(dir) {
        fs.readdirSync(dir).forEach((file) => {
            const childDir = path.resolve(dir, file);
            console.log(childDir);
        });
    }
    readdir(path.resolve(__dirname, "lib"));
}