message: feat(cli): support custom jest config
diff: +import { join } from 'path';
  +import { existsSync } from 'fs-extra';
  import {
  + ROOT,
  JEST_INIT_FILE,
  JEST_FILE_MOCK_FILE,
  JEST_STYLE_MOCK_FILE
  } from '../common/constant';
  -module.exports = {
  +const DEFAULT_CONFIG = {
  moduleNameMapper: {
  '\\.(css|less|scss)$': JEST_STYLE_MOCK_FILE,
  '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': JEST_FILE_MOCK_FILE
  @@ -26,3 +29,18 @@ module.exports = {
  coverageReporters: ['html', 'lcov', 'text-summary'],
  coverageDirectory: './test/coverage'
  };
  +
  +function readRootConfig() {
  + const ROOT_CONFIG_PATH = join(ROOT, 'jest.config.js');
  +
  + if (existsSync(ROOT_CONFIG_PATH)) {
  + return require(ROOT_CONFIG_PATH);
  + }
  +
  + return {};
  +}
  +
  +module.exports = {
  + ...DEFAULT_CONFIG,
  + ...readRootConfig()
  +};
  