serverless-spy
Version:
CDK-based library for writing elegant integration tests on AWS serverless architecture and an additional web console to monitor events in real time.
30 lines (26 loc) • 785 B
JavaScript
/** Used as the internal argument placeholder. */
var PLACEHOLDER = '__lodash_placeholder__';
/**
* Replaces all `placeholder` elements in `array` with an internal placeholder
* and returns an array of their indexes.
*
* @private
* @param {Array} array The array to modify.
* @param {*} placeholder The placeholder to replace.
* @returns {Array} Returns the new array of placeholder indexes.
*/
function replaceHolders(array, placeholder) {
var index = -1,
length = array.length,
resIndex = 0,
result = [];
while (++index < length) {
var value = array[index];
if (value === placeholder || value === PLACEHOLDER) {
array[index] = PLACEHOLDER;
result[resIndex++] = index;
}
}
return result;
}
module.exports = replaceHolders;