运行摩卡testing会导致“意外的保留字”错误

STEP: npm test

错误:“意外的保留字”

今天早些时候我做了这个工作,并没有意识到我所做的任何可能导致回归的东西。 当我运行npm test我得到“意外的保留字”,它指向一个ES6导入语句。 我的理解是 – --compilers js:babel-register应该解决这个问题。

我曾尝试在全局和本地安装babel-core ,并使用babel-core/register代替。 同样的结果。

这是我的package.json

 { "name": "fresh", "version": "0.0.1", "private": true, "scripts": { "remotedev": "remotedev --hostname=localhost --port=8000", "start": "node node_modules/react-native/local-cli/cli.js start", "test": "mocha --compilers js:babel-register 'test/**/*.test.js'", "test:watch": "npm run test -- --watch --watch-extensions jsx" }, "dependencies": { "immutable": "^3.7.6", "lodash": "^4.5.1", "ramda": "^0.19.1", "react-native": "^0.21.0", "react-native-router-flux": "^2.3.8", "react-native-sortable-listview": "0.0.5", "react-redux": "^4.4.0", "redux": "^3.3.1", "redux-saga": "^0.9.1", "reselect": "^2.0.3" }, "devDependencies": { "babel-register": "^6.7.2", "chai": "^3.5.0", "chai-immutable": "^1.5.3", "mocha": "^2.4.5", "redux-devtools-filter-actions": "^1.1.0", "remote-redux-devtools": "^0.1.2", "remotedev-server": "0.0.3" } } 

这里有2个教程指出这应该工作。

https://onsen.io/blog/mocha-chaijs-unit-test-coverage-es6/

Testing in ES6 with Mocha and Babel 6

再次,我今天早些时候成功地执行了这个脚本的testing。

 npm install babel-preset-es2015 

然后用.babelrc文件创build

 { "presets": ["es2015"] }