condensation
Version:
Package, reuse and share particles for CloudFormation projects
38 lines (31 loc) • 930 B
JavaScript
var _ = require("lodash");
var cValue = require("../cValue");
/**
* Fn::Select definition
* @example
* {{fnSelect 0 (ref "ParameterList")}}
* @example
* {{fnSelect 0 "value1" "value2"}}
* @function fnSelect
* @memberof "IntrinsicFunctions"
* @type {function}
* @param {Number} index - array member to pick
* @param {...string} str - strings to select from
* @param {Object} options - options passed by handlebars
* @returns {string}
*/
module.exports = function fnSelect() {
var index = cValue(arguments[0]);
var joinValues = _.slice(arguments, 1, arguments.length-1);
var options = arguments[arguments.length-1];
joinValues = _.map(joinValues, function(v) { return cValue(v) });
var list;
if (joinValues.length === 1) {
list = joinValues[0];
}
else {
list = '['+joinValues.join(",")+']';
}
options = _.merge({hash: {}}, options);
return '{"Fn::Select": ['+index+','+list+']}';
};