Mali request param middleware
Mali param middleware. If the request object has the specified property
of specified type the middleware function is executed.
Only applies for UNARY and RESPONSE_STREAM call types.
| Param | Type | Description |
|---|---|---|
| paramName | String |
The name of the request object property |
| options | Options |
|
| options.type | String |
Optional type of the param specified by paramName within the request. Has to be one of possible values as returned by typeof. |
| options.truthy | Boolean |
optional check for truthiness on the param value within the request. Default: false |
| fn | function |
The middleware function to execute |
Example
const param = require('@malijs/param')
async function appendDocType (id, ctx, next) {
ctx.req.id = 'user::'.concat(id)
await next()
}
app.use(param('id', { type'string', truthy: true }, appendDocType))Apache-2.0