devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
53 lines (52 loc) • 1.35 kB
JavaScript
/**
* DevExtreme (esm/__internal/core/utils/m_iterator.js)
* Version: 24.2.6
* Build date: Mon Mar 17 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
const map = (values, callback) => {
if (Array.isArray(values)) {
return values.map(callback)
}
const result = [];
for (const key in values) {
result.push(callback(values[key], key))
}
return result
};
const each = (values, callback) => {
if (!values) {
return
}
if ("length" in values) {
for (let i = 0; i < values.length; i++) {
if (false === callback.call(values[i], i, values[i])) {
break
}
}
} else {
for (const key in values) {
if (false === callback.call(values[key], key, values[key])) {
break
}
}
}
return values
};
const reverseEach = (array, callback) => {
if (!array || !("length" in array) || 0 === array.length) {
return
}
for (let i = array.length - 1; i >= 0; i--) {
if (false === callback.call(array[i], i, array[i])) {
break
}
}
};
export {
each,
map,
reverseEach
};