问题描述
节点可以用各种选项启动.特别有趣的是 --inspect 标志:
node can be started with various options. Especially interesting is the --inspect flag:
node --inspect node_modules/.bin/jest some.spec.js
是否可以将 --inspect 标志以某种方式传递给 yarn run?例如:
Is it possible to pass the --inspect flag somehow to yarn run? For example:
yarn run test --inspect some.spec.js
类似问题npm run，在那里似乎是不可能的.
There is a similar question for npm run, where it seems to be not possible.
推荐答案
我不知道 yarn run ... 支持向 NodeJS 传递参数，但是，还有其他几个选项.
I don't know that yarn run ... supports passing arguments to NodeJS, however, there are a couple of other options.
您可以使用 NODE_OPTIONS 环境变量将参数传递给 NodeJS.例如，
You can use the NODE_OPTIONS environment variable to pass arguments to NodeJS. For example,
export NODE_OPTIONS="--inspect"
yarn run test some.spec.js
在 package.json 中，您可以定义一个脚本来利用这一点:
In the package.json, you can define a script to take advantage of this:
"scripts": {
"test": "jest",
"test:inspect": "NODE_OPTIONS='--inspect' yarn run test"
}
正如你提到的，你可以直接使用 NodeJS，
And as you mentioned, you can use NodeJS directly,
node --inspect ./node_modules/jest-cli/bin/jest.js some.spec.js
据我所知，这可能是您仅有的两个选择.但是，这两个选项都适用于 NPM 和 Yarn.
As far as I know, those may be your only two options. However, both options work for both NPM and Yarn.
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