Conditionally add Mali middleware
npm install @malijs/unless
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 ] }))Apache-2.0