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condition-handler
TypeScript icon, indicating that this package has built-in type declarations

1.0.1 • Public • Published

condition-handler

NPM minzipped size downloads license
The handler of conditions.

Installation

npm i condition-handler
# or 
yarn add condition-handler

Or you can use minified file.

<!doctype html>
<html>
  <head>
    <script src="conditionHandler.min.js"></script> 
  </head>
  <body>
    <script>
      console.log(conditionHandler('!', true))
    </script> 
  </body>
</html>

Using

You can use any operators from the list
! && || === == !== != > >= < <= ( )
It works the same as if operator from JavaScript.

conditionHandler([1]) // 1 === 1
 
conditionHandler([1, '&&', 2]) // 1 && 2 === 2
 
conditionHandler([1, '&&', 0]) // 1 && 0 === 0
 
conditionHandler([1, '||', 0]) // 1 || 0 === 1
 
conditionHandler(['!', 1, '||', 0]) // !1 || 0 === 0
 
conditionHandler([1, '>', 2]) // 1 > 2 === false
 
conditionHandler([2, '>=', 1]) // 2 >= 1 === true

You can use a plugin to handle non-operator argument.

const obj = {
  test1: true,
  test2: false,
  test: {
    field1: 1,
    field2: 0
  }
}
 
function plugin (condition) {
  if (typeof condition === 'string') {
    const fields = condition.split('.')
    condition = obj
    for (let i = 0; i < fields.length; i++) {
      condition = condition[fields[i]]
    }
  }
  return condition
}
 
conditionHandler(['test1', '&&', 'test.field2'], plugin)
// obj.test1 && obj.test.field2 === 0

Issues

If you find a bug, please file an issue on GitHub
issues

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Install

npm i condition-handler

Repository

github.com/d8corp/condition-handler

Homepage

github.com/d8corp/condition-handler

Weekly Downloads

3

Version

1.0.1

License

MIT

Unpacked Size

11.2 kB

Total Files

7

Last publish

Collaborators

  • deight
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