Function bundleJS

tasks/bundle-js.js:75–180

(/** @type {JSEntry} */entry, platform, debug, watch, log, test)

const rollupCache = {};

async function bundleJS(/** @type {JSEntry} */entry, platform, debug, watch, log, test) {
    const {src, dest} = entry;

    let replace = {};
    switch (platform) {
        case PLATFORM.FIREFOX_MV2:
        case PLATFORM.THUNDERBIRD:
            if (entry.src === 'src/ui/popup/index.tsx') {
                break;
            }
            replace = {
                'chrome.fontSettings.getFontList': `chrome['font' + 'Settings']['get' + 'Font' + 'List']`,
                'chrome.fontSettings': `chrome['font' + 'Settings']`,
            };
            break;
        case PLATFORM.CHROMIUM_MV3:
            replace = {
                'chrome.browserAction.setIcon': 'chrome.action.setIcon',
                'chrome.browserAction.setBadgeBackgroundColor': 'chrome.action.setBadgeBackgroundColor',
                'chrome.browserAction.setBadgeText': 'chrome.action.setBadgeText',
            };
            break;
    }

    // See comment below
    // TODO(anton): remove this once Firefox supports tab.eval() via WebDriver BiDi
    const mustRemoveEval = !test && (platform === PLATFORM.FIREFOX_MV2) && (entry.src === 'src/inject/index.ts');

    const cacheId = `${entry.src}-${platform}-${debug}-${watch}-${log}-${test}`;
    const outDir = getDestDir({debug, platform});

    const bundle = await rollup.rollup({
        input: absolutePath(src),
        preserveSymlinks: true,
        onwarn: (error) => {
            // TODO(anton): remove this once Firefox supports tab.eval() via WebDriver BiDi
            if (error.code === 'EVAL' && !mustRemoveEval) {
                return;
            }

            throw error;
        },
        plugins: [
            // Firefox WebDriver implementation does not currently support tab.eval() functions fully,
            // so we have to manually polyfill it via regular eval().
            // This plugin is necessary to avoid (benign) warnings in the console during builds, it just replaces
            // literally one occurrence of eval() in our code even before TypeScript even encounters it.
            // With this plugin, warning appears only on Firefox test builds.
            // TODO(anton): remove this once Firefox supports tab.eval() via WebDriver BiDi
            // @ts-expect-error This expression is not callable
            rollupPluginReplace({
                preventAssignment: true,
                'eval(': 'void(',
            }),
            // @ts-expect-error This expression is not callable
            rollupPluginNodeResolve(),
            // @ts-expect-error This expression is not callable
            rollupPluginTypescript({