lambda-spawn

Run lambda function as child process.

Installation

``
npm i lambda-spawn
`

Usage

` javascript
const {
INVOKE_RESULT,
spawnLambda,
} = require('lambda-spawn');

const options = {
handler: 'index.handler',
moduleDir: 'path/to/lambda',
};

const lambdaProcess = spawnLambda(options, event, context);

lambdaProcess.on(INVOKE_RESULT, ({ result }) => {
});
`

API

$3

- options.arn
- An ARN that identify a lambda process.
- options.dir
- A current directory of the lambda process.
- Default: process.cwd()
- options.handler
- Names of a module and a function.
- Default: index.handler
- options.env
- An object of environment variables that is used to launch a lambda process.
- Default: process.env
- options.lambdaEnv
- An object of environment variables that is used as the lambda configuration.
- This object is merged to options.env.
- options.moduleDir
- A path of a directory that the lambda function is located.
- options.typescript
- If this option is truthy, ts-node is used to launch a lambda process.
- event
- An event object that is used to invoke the lambda function.
- context
- A context object that is used to invoke the lambda function.

$3

#### Properties

- arn
- An ARN that is passed to spawnLambda.

#### Event: lambda.INVOKE_RESULT

The lambda.INVOKE_RESULT event is emitted when the lambda function returns the result.

This event passes a message object to a listener. The message object has following properties:

- err
- An Error object when the lambda function returns an error.
- result`
- A result that is returned by the lambda function.

License

MIT