confinode/lib/utils/array.js

Node application configuration reader

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Push the item in the array if the item is defined and not already in the array.
 *
 * @param array - The array in which item is to be pushed.
 * @param item - The item to push.
 * @param predicate - The predicate to see if item is already in the array.
 */
function pushIfNew(array, item, predicate) {
    !!item && !array.find(arrayItem => predicate(arrayItem)) && array.push(item);
}
exports.pushIfNew = pushIfNew;
/**
 * A predicate to use as an array filter in order to remove duplicates.
 *
 * @param value - The value to test.
 * @param index - The index of the current value.
 * @param array - The array.
 * @returns True if value is unique.
 */
function unique(value, index, array) {
    return array.indexOf(value) === index;
}
exports.unique = unique;
/**
 * Ensure that the given parameter is an array. If not, put it in an array.
 *
 * @param value - Either an array or a single item to convert.
 * @returns The parameter in an array.
 */
function ensureArray(value) {
    return new Array().concat(value);
}
exports.ensureArray = ensureArray;
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