open-browser-once-plugin/es/index.js

Webpack Plugin for open browser once rather than many times

/**
 * Webpack Plugin for open browser once rather than many times
 * @author 余聪
 */
import * as openBrowser from 'react-dev-utils/openBrowser';
class OpenBrowserOncePlugin {
    constructor(openUrl) {
        this.openUrl = openUrl;
        this._isOpened = false;
        if (!openUrl) {
            throw new TypeError(`"openUrl" is required`);
        }
    }
    get isOpened() {
        return this._isOpened;
    }
    get name() {
        return this.constructor.name;
    }
    apply(compiler) {
        const openHandler = () => {
            if (!this.isOpened) {
                openBrowser(this.openUrl);
            }
            this._isOpened = true;
        };
        if (compiler.hooks) {
            compiler.hooks.afterEmit.tap(this.name, openHandler);
        }
        else {
            compiler.plugin('after-emit', (c, cb) => {
                openHandler();
                return cb();
            });
        }
    }
}
export { OpenBrowserOncePlugin };