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@marc-maniac/timediff

v1.0.0

Published

Calculate a time difference in several time units.

Downloads

318

Readme

timediff

Calculate a time difference in several time units.

This repo is based on Marco Taubmann's work.

Usage

$ npm install @marc-maniac/timediff
import { timediff } from '@marc-maniac/timediff';

timediff('2015-01-01', '2018-05-02 02:15:10.777', 'YDHms');
// => { years: 3, days: 121, hours: 2, minutes: 15, milliseconds: 10777 }

Examples

// return the timediff in all possible units
timediff(new Date(2015, 1, 1), new Date('2018-05-02 02:15:10'));
// => { years: 3, months: 3, weeks: 0, days: 1, hours: 2, minutes: 15, seconds: 10, milliseconds: 0 }

// return the timediff only in years, weeks, days hours and seconds
timediff(new Date(2015, 1, 1), new Date('2018-05-02 02:15:10.777'), 'YWDHS');
// => { years: 3, weeks: 12, days: 6, hours: 2, seconds: 910 }

// return the timediff only in month, minutes seconds, and milliseconds
timediff(new Date(2015, 1, 1), new Date('2018-05-02 02:15:10.777'), 'MmSs');
// => { months: 39, minutes: 1575, seconds: 10, milliseconds: 777 }

// combine all options
const christmas = new Date();
christmas.setMonth(11);
christmas.setDate(24);

timediff(new Date(), christmas, {
  units: 'MWD',
  returnZeros: false,
});
// => 'Time until christmas: {"months":11,"weeks":1,"days":1}'

API

timediff(start, end, options)

Return the time difference between start and end. Use only the units specified in options.

Return:

{
  years: 0,
  months: 0,
  weeks: 0,
  days: 0,
  hours: 0,
  minutes: 0,
  seconds: 0,
  milliseconds: 0
}

start, end

Required Type: string | Date | moment

options

Type: object | string | function

Default:

{
  units: {
    years:true,
    months: true,
    weeks: true,
    days: true,
    hours: true,
    minutes: true,
    seconds: true,
    milliseconds: true
  },
  returnZeros: true,
  callback: null
}

Use timediff(start, end, unitString) (where unitString is a string) as a shortcut for timediff(start, end, {units: unitString}).

Use timediff(start, end, callback) (where callback is a function) as a shortcut for timediff(start, end, {callback: callback}).

options.units

Type: object | string

Can be an object as given above or a string containing any of YMWDHmSs. If a letter exists in the string the corresponding unit is used in the result.

| letter | result uses | | ------ | ------------ | | Y | years | | M | months | | W | weeks | | D | days | | H | hours | | m | minutes | | S | seconds | | s | milliseconds |

options.returnZeros

Type: boolean

If true result can contain fields that are 0, if false they are removed.

Contributing 🧑‍💻

Pre-commit hooks

This repo uses a pre-commit hook for biome (lint & format), as well as one to enforce conventional commits.

Git hooks are scripts that run automatically every time a particular event occurs in a Git repository. These events can include committing, merging, and pushing, among others. Git hooks allow developers to enforce certain standards or checks before actions are completed in the repository, enhancing the workflow and code quality.

The pre-commit framework is a tool that leverages Git hooks to run checks on the code before it is committed to the repository. By using pre-commit, developers can configure various plugins or hooks that automatically check for syntax errors, formatting issues, or even run tests on the code being committed. This ensures that only code that passes all the defined checks can be added to the repository, helping to maintain code quality and prevent issues from being introduced.

To install the pre-commit framework on a system with Homebrew, follow these steps:

brew install pre-commit

Once pre-commit is installed, navigate to the root directory of your Git repository where you want to enable pre-commit hooks. Then, run the following command to set up pre-commit for that repository. This command installs the Git hook scripts that the pre-commit framework will use to run checks before commits.

pre-commit install --install-hooks
pre-commit install --hook-type commit-msg

The commit check will check the commit message of the first commit on your branch to check compliance with conventional commit specifications. This is important because it is used by semantic-release to determine version bumps (major, minor or patch).

Only 'feat', 'fix', 'perf', and 'revert' commits will trigger a version bump. Note that to trigger a major version bump, annotate with 'feat!'. Example commit below:

chore: Added pre-commit hook to check for conventional commit compliance (#1208)
- Moved away from mirrors-prettier, as it is now under public archive

License

MIT copyright [Marco Taubmann]