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chore: only test changed packages (#1194)

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Roland Hummel
2022-10-20 15:59:09 +02:00
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parent 73bf91d7e1
commit 16fa774012
6 changed files with 24 additions and 9 deletions
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CONTRIBUTING.md
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@@ -63,7 +63,8 @@ should add unique value.
#### Module System
We use the [ES Module](https://hacks.mozilla.org/2018/03/es-modules-a-cartoon-deep-dive/) system, which bring an official, standardized module system to JavaScript.
We use the [ES Module](https://hacks.mozilla.org/2018/03/es-modules-a-cartoon-deep-dive/) system, which bring an
official, standardized module system to JavaScript.
It roughly means you will need to use `export` and `import` statements instead of `module.exports` and `require()`.
@@ -71,7 +72,7 @@ It roughly means you will need to use `export` and `import` statements instead o
Be confident that your code works. When was the last time you committed a code change, your build failed, and half of
your app stopped working? Mine was last week. Writing tests for our Algorithms will help us ensure the implementations
are air tight even after multiple fixes and code changes.
are airtight even after multiple fixes and code changes.
We use [Jest](https://jestjs.io/) to run unit tests on our algorithms. It provides a very readable and expressive way to
structure your test code.
@@ -107,6 +108,12 @@ You can also start Jest in "watch" mode:
npm test -- --watchAll
```
We also prepared a helper script that runs tests only for changed files:
```shell
npm run test-changed
```
This will run all tests and watch source and test files for changes. When a change is made, the tests will run again.
#### Coding Style