Name: pre-commit
Owner: Brave Software
Description: Automatically installs a git pre-commit script in your git repository which runs your `npm test` on pre-commit
Forked from: observing/pre-commit
Created: 2016-05-01 13:20:15.0
Updated: 2016-05-11 02:34:15.0
Pushed: 2016-08-29 20:11:13.0
Size: 78
Language: JavaScript
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pre-commit is a pre-commit hook installer for git. It will ensure that
your npm test (or other specified scripts) passes before you can commit your
changes. This all conveniently configured in your package.json.
But don't worry, you can still force a commit by telling git to skip the
pre-commit hooks by simply committing using --no-verify.
It's advised to install the pre-commit module as a devDependencies in your
package.json as you only need this for development purposes. To install the
module simply run:
install --save-dev pre-commit
To install it as devDependency. When this module is installed it will override
the existing pre-commit file in your .git/hooks folder. Existing
pre-commit hooks will be backed up as pre-commit.old in the same repository.
pre-commit will try to run your npm test command in the root of the git
repository by default unless it's the default value that is set by the npm
init script.
But pre-commit is not limited to just running your npm test's during the
commit hook. It's also capable of running every other script that you've
specified in your package.json “scripts” field. So before people commit you
could ensure that:
The only thing you need to do is add a pre-commit array to your package.json
that specifies which scripts you want to have ran and in which order:
ame": "437464d0899504fb6b7b",
ersion": "0.0.0",
escription": "ERROR: No README.md file found!",
ain": "index.js",
cripts": {
"test": "echo \"Error: I SHOULD FAIL LOLOLOLOLOL \" && exit 1",
"foo": "echo \"fooo\" && exit 0",
"bar": "echo \"bar\" && exit 0"
re-commit": [
"foo",
"bar",
"test"
In the example above, it will first run: npm run foo then npm run bar and
finally npm run test which will make the commit fail as it returns the error
code 1. If you prefer strings over arrays or precommit without a middle
dash, that also works:
recommit": "foo, bar, test"
re-commit": "foo, bar, test"
re-commit": ["foo", "bar", "test"]
recommit": ["foo", "bar", "test"],
recommit": {
"run": "foo, bar, test",
re-commit": {
"run": ["foo", "bar", "test"],
recommit": {
"run": ["foo", "bar", "test"],
re-commit": {
"run": "foo, bar, test",
The examples above are all the same. In addition to configuring which scripts should be ran you can also configure the following options:
pre-commit: messages when things fail
or when we have nothing to run. Should be a boolean.These options can either be added in the pre-commit/precommit object as keys
or as "pre-commit.{key} key properties in the package.json:
recommit.silent": true,
re-commit": {
"silent": true
It's all the same. Different styles so use what matches your project. To learn
more about the scripts, please read the official npm documentation:
https://npmjs.org/doc/scripts.html
And to learn more about git hooks read:
http://githooks.com
MIT