@formily/shared/esm/array.js

> Formily 工具函数集

import { isArr, isObj, isStr } from './checkers';
export var toArr = function (val) { return (isArr(val) ? val : val ? [val] : []); };
export function each(val, iterator, revert) {
    if (isArr(val) || isStr(val)) {
        if (revert) {
            for (var i = val.length - 1; i >= 0; i--) {
                if (iterator(val[i], i) === false) {
                    return;
                }
            }
        }
        else {
            for (var i = 0; i < val.length; i++) {
                if (iterator(val[i], i) === false) {
                    return;
                }
            }
        }
    }
    else if (isObj(val)) {
        var key = void 0;
        for (key in val) {
            if (Object.hasOwnProperty.call(val, key)) {
                if (iterator(val[key], key) === false) {
                    return;
                }
            }
        }
    }
}
export function map(val, iterator, revert) {
    var res = isArr(val) || isStr(val) ? [] : {};
    each(val, function (item, key) {
        var value = iterator(item, key);
        if (isArr(res)) {
            ;
            res.push(value);
        }
        else {
            res[key] = value;
        }
    }, revert);
    return res;
}
export function reduce(val, iterator, accumulator, revert) {
    var result = accumulator;
    each(val, function (item, key) {
        result = iterator(result, item, key);
    }, revert);
    return result;
}
export function every(val, iterator, revert) {
    var res = true;
    each(val, function (item, key) {
        if (!iterator(item, key)) {
            res = false;
            return false;
        }
    }, revert);
    return res;
}
export function some(val, iterator, revert) {
    var res = false;
    each(val, function (item, key) {
        if (iterator(item, key)) {
            res = true;
            return false;
        }
    }, revert);
    return res;
}
export function findIndex(val, iterator, revert) {
    var res = -1;
    each(val, function (item, key) {
        if (iterator(item, key)) {
            res = key;
            return false;
        }
    }, revert);
    return res;
}
export function find(val, iterator, revert) {
    var res;
    each(val, function (item, key) {
        if (iterator(item, key)) {
            res = item;
            return false;
        }
    }, revert);
    return res;
}
export function includes(val, searchElement, revert) {
    if (isStr(val))
        return val.includes(searchElement);
    return some(val, function (item) { return item === searchElement; }, revert);
}
export function move(array, fromIndex, toIndex) {
    if (fromIndex === toIndex)
        return array;
    if (toIndex < 0 ||
        fromIndex < 0 ||
        toIndex > array.length - 1 ||
        fromIndex > array.length - 1) {
        return array;
    }
    if (fromIndex < toIndex) {
        var fromItem = array[fromIndex];
        for (var index = fromIndex; index < toIndex; index++) {
            array[index] = array[index + 1];
        }
        array[toIndex] = fromItem;
    }
    else {
        var fromItem = array[fromIndex];
        for (var index = fromIndex; index > toIndex; index--) {
            array[index] = array[index - 1];
        }
        array[toIndex] = fromItem;
    }
    return array;
}
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