@malijs/unless

Conditionally add Mali middleware

Usage no npm install needed!

<script type="module">
  import malijsUnless from 'https://cdn.skypack.dev/@malijs/unless';
</script>

README

mali-unless

Conditionally add Mali middleware

npm version build status

Installation

npm install @malijs/unless

API

@malijs/unless ⇒ function

Mali unless middleware. Attach to any middleware and configure it to prevent/permit the middleware in question to be executed.

Returns: function - middleware

Param Type Description
options Object | String | RegExp | function - If string and one of Mali Call Types do middleware unless it is the specified call type - If string and not a call type, assumed to be a call name, and middleware is executed unless the call name is the name specified. Call names checks are not case sensitive. - If function it's a test function that returns true / false. If the function returns true for the given request, the middleware will not run. The function will be passed the call context. - If RegExp instance, if call name matches the regexp the middleware is skipped.
options.name String | Regex | Array A string, a RegExp or an array of any of those. If the call name matches, the middleware will not run. Call names checks are not case sensitive.
options.type String | Array A string or an array of strings. If the call type matches, the middleware will not run.
options.custom function A test function that returns true / false. If the function returns true for the given request, the middleware will not run. The function will be passed the call context.

Example

const requestId = require('@malijs/requestid')
const unless = require('@malijs/unless')
const CallType = require('@malijs/call-types')
const toJSON = require('@malijs/tojson')()

const rid = requestId()
rid.unless = unless
app.use(rid.unless({ name: 'SomeMethod' }))

toJSON.unless = unless
app.use(toJSON.unless({ type: [ CallType.DUPLEX, CallType.RESPONSE_STREAM ] }))

License

Apache-2.0