All files / Service-Helper/lib/lambda lambda.js

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var AWS = require('aws-sdk');
 
/**
 * 
 */
function LambdaService() {
    this.lambda = new AWS.Lambda();
}
 
/**
 * 
 * @param {*} functionName 
 * @param {*} payload 
 * @param {*} clientContext 
 * @param {*} invocationType 
 * @param {*} qualifier 
 * @param {*} callback 
 */
LambdaService.prototype.lambdaInvoker = function (functionName, payload, clientContext, invocationType, qualifier, callback) {
    this.functionName = functionName;
    this.payload = payload;
    this.clientContext = clientContext;
    this.invocationType = invocationType;
    this.qualifier = qualifier;
    this.params = {
        FunctionName: this.functionName, /* required */
        InvocationType: ((this.invocationType) ? this.invocationType : "Event"), // Event | RequestResponse | DryRun,
        LogType: "None", //|| Tail
        Payload: this.payload
    };
 
    if(this.clientContext){
        this.params[`ClientContext`] = this.clientContext;
    } 
    if(this.qualifier) {
        this.params[`Qualifier`] = this.qualifier;
    }
 
    this.lambda.invoke(this.params, (err, data) => {
        return callback(err, data);
    });
};
 
module.exports = exports = LambdaService;