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							- 'use strict';
 
- import cliui from 'https://unpkg.com/cliui@7.0.1/index.mjs'; // eslint-disable-line
 
- import Parser from 'https://unpkg.com/yargs-parser@19.0.0/browser.js'; // eslint-disable-line
 
- import {getProcessArgvBin} from '../../build/lib/utils/process-argv.js';
 
- import {YError} from '../../build/lib/yerror.js';
 
- const REQUIRE_ERROR = 'require is not supported in browser';
 
- const REQUIRE_DIRECTORY_ERROR =
 
-   'loading a directory of commands is not supported in browser';
 
- export default {
 
-   assert: {
 
-     notStrictEqual: (a, b) => {
 
-       // noop.
 
-     },
 
-     strictEqual: (a, b) => {
 
-       // noop.
 
-     },
 
-   },
 
-   cliui,
 
-   findUp: () => undefined,
 
-   getEnv: key => {
 
-     // There is no environment in browser:
 
-     return undefined;
 
-   },
 
-   inspect: console.log,
 
-   getCallerFile: () => {
 
-     throw new YError(REQUIRE_DIRECTORY_ERROR);
 
-   },
 
-   getProcessArgvBin,
 
-   mainFilename: 'yargs',
 
-   Parser,
 
-   path: {
 
-     basename: str => str,
 
-     dirname: str => str,
 
-     extname: str => str,
 
-     relative: str => str,
 
-   },
 
-   process: {
 
-     argv: () => [],
 
-     cwd: () => '',
 
-     execPath: () => '',
 
-     // exit is noop browser:
 
-     exit: () => {},
 
-     nextTick: cb => {
 
-       window.setTimeout(cb, 1);
 
-     },
 
-     stdColumns: 80,
 
-   },
 
-   readFileSync: () => {
 
-     return '';
 
-   },
 
-   require: () => {
 
-     throw new YError(REQUIRE_ERROR);
 
-   },
 
-   requireDirectory: () => {
 
-     throw new YError(REQUIRE_DIRECTORY_ERROR);
 
-   },
 
-   stringWidth: str => {
 
-     return [...str].length;
 
-   },
 
-   // TODO: replace this with y18n once it's ported to ESM:
 
-   y18n: {
 
-     __: (...str) => {
 
-       if (str.length === 0) return '';
 
-       const args = str.slice(1);
 
-       return sprintf(str[0], ...args);
 
-     },
 
-     __n: (str1, str2, count, ...args) => {
 
-       if (count === 1) {
 
-         return sprintf(str1, ...args);
 
-       } else {
 
-         return sprintf(str2, ...args);
 
-       }
 
-     },
 
-     getLocale: () => {
 
-       return 'en_US';
 
-     },
 
-     setLocale: () => {},
 
-     updateLocale: () => {},
 
-   },
 
- };
 
- function sprintf(_str, ...args) {
 
-   let str = '';
 
-   const split = _str.split('%s');
 
-   split.forEach((token, i) => {
 
-     str += `${token}${split[i + 1] !== undefined && args[i] ? args[i] : ''}`;
 
-   });
 
-   return str;
 
- }
 
 
  |