index.js

let ui5 = "\nVue.config.ignoredElements = [/^ui5-/];";

module.exports = (api, options, rootOptions) => {
    api.extendPackage({
        dependencies: {
            "@ui5/webcomponents": "^0.9.0"
        }
    });
    if (options.addExample) {
        api.render("./template", {
            ...options
        });
    }
    api.onCreateComplete(() => {
        // inject to main.js
        const fs = require("fs");
        const ext = api.hasPlugin("typescript")
            ? "ts"
            : "js";
        const mainPath = api.resolve(`./src/main.${ext}`);
        let contentMain = fs.readFileSync(mainPath, {encoding: "utf-8"});
        const lines = contentMain
            .split(/\r?\n/g)
            .reverse();

        const lastImportIndex = lines.findIndex(line => line.match(/^import/));
        lines[lastImportIndex] += ui5;

        contentMain = lines
            .reverse()
            .join("\n");
        fs.writeFileSync(mainPath, contentMain, {encoding: "utf-8"});
        api.exitLog("Successfully installed UI5 Web Components", "done");
    });
};