@icenet/electron-window/dist/getIcon.js

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"use strict";

const { app } = require("electron");
const { dirname, join } = require("path");
const https = require("https");
const fs = require("fs");

/**
 * 获取文件路径
 * @param {*} dirname 文件绝对路径
 * @param folder 文件目录
 * @param name 文件名字
 * @returns
 */
const getFile = (dirname, folder, name) => {
    return join(dirname, folder, name);
};

/**
 * 获取本地或者远程图标，下载保存在本地
 * @param iconPath 图标路径
 * @param folder 文件路径
 * @param name 图标名字
 * @param isLocal 是否是本地图标
 * @returns
 */
const getIcon = (iconPath, folder, name, isLocal = false) => {
    return new Promise((resolve, reject) => {
        try {
            let localIconPath = join(app.getAppPath(), folder, name);
            // 判断是否是正式环境
            if (app.isPackaged) {
                // 正式环境
                localIconPath = join(dirname(app.getPath("exe")), folder, name);
            }
            // 下载图标
            const file = fs.createWriteStream(localIconPath);
            if (isLocal) {
                const readStream = fs.createReadStream(iconPath);
                readStream.pipe(file);
                file.on("finish", function () {
                    file.close();
                    // 设置本地图片作为图标
                    resolve(localIconPath);
                });
            } else {
                https.get(iconPath, function (response) {
                    response.pipe(file);
                    file.on("finish", function () {
                        file.close();
                        // 存到本地图片作为图标
                        resolve(localIconPath);
                    });
                });
            }
        } catch (error) {
            reject();
        }
    });
};

module.exports = { getFile, getIcon };