@arco-design/web-react
Version:
Arco Design React UI Library.
149 lines (148 loc) • 7.14 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
import React, { useRef } from 'react';
import get from 'lodash/get';
import FormItem from './form-item';
import { isFunction, isUndefined } from '../_util/is';
import { isFieldMatch, isSyntheticEvent } from './utils';
import warning from '../_util/warning';
import { FormListContext } from './context';
var isIndexLegal = function (index, value) {
return !isUndefined(index) && index >= 0 && index < value.length;
};
var List = function (props) {
var field = props.field, children = props.children, initialValue = props.initialValue;
var keysRef = useRef({
id: 0,
keys: [],
});
var extra = 'initialValue' in props ? { initialValue: initialValue } : {};
var currentKeys = keysRef.current.keys;
return (React.createElement(FormListContext.Provider, { value: {
getItemKey: function (fieldKey) {
var keys = fieldKey === null || fieldKey === void 0 ? void 0 : fieldKey.replace(/\[|\]/g, '.').split('.');
var startIndex = keys.indexOf(field);
var index = keys[startIndex + 1];
return field + "_" + currentKeys.indexOf(index) + "_" + keys.slice(startIndex + 2).join('_');
},
} },
React.createElement(FormItem, __assign({ field: field }, extra, { isFormList: true, rules: props.rules, wrapperCol: { span: 24 }, noStyle: 'noStyle' in props ? props.noStyle : !props.rules, shouldUpdate: function (prev, current, info) {
var _a, _b;
if (info && !info.isInner && isFieldMatch(info.field, [field])) {
if (((_a = get(prev, field)) === null || _a === void 0 ? void 0 : _a.length) !== ((_b = get(current, field)) === null || _b === void 0 ? void 0 : _b.length)) {
// 长度不一致才需要整体渲染，如 form.setfieldsValue('a.100', 'xx')
// 修改了某一项的话直接叫给对应的 FormItem 渲染即可
return true;
}
}
return false;
} }), function (_, store, _a) {
var _value = _a.value, onChange = _a.onChange;
var value = _value || [];
// 为啥 add，move，remove 里不直接用 value，而是又 getFieldValue？
// 因为用户可能把 add，remove，move 给 memo 了，导致 remove 直接读取的 value 不是最新的
// 保持和 2.46.0 以前的版本一致
var add = function (defaultValue, index) {
var _a;
if (isSyntheticEvent(defaultValue)) {
warning(true, 'Form.List: The event object cannot be used as a parameter of the add method');
return;
}
var value = ((_a = store.getInnerMethods(true)) === null || _a === void 0 ? void 0 : _a.innerGetFieldValue(field)) || [];
var key = keysRef.current.id;
keysRef.current.id += 1;
var oldValue = value || [];
var newValue = oldValue;
if (index !== undefined && index >= 0 && index <= oldValue.length) {
currentKeys.splice(index, 0, key);
newValue = __spreadArray(__spreadArray(__spreadArray([], __read(oldValue.slice(0, index)), false), [defaultValue], false), __read(oldValue.slice(index)), false);
}
else {
currentKeys.push(key);
newValue = __spreadArray(__spreadArray([], __read(oldValue), false), [defaultValue], false);
}
// defaultValue = undefined 时，认为当前字段未被操作过
onChange(newValue, {
isFormList: true,
ignore: defaultValue === undefined,
});
};
var remove = function (index) {
var _a;
var value = ((_a = store.getInnerMethods(true)) === null || _a === void 0 ? void 0 : _a.innerGetFieldValue(field)) || [];
var newValue = value.filter(function (_, i) { return i !== index; });
currentKeys.splice(index, 1);
onChange(__spreadArray([], __read(newValue), false), { isFormList: true });
};
var move = function (fromIndex, toIndex) {
var _a;
var value = ((_a = store.getInnerMethods(true)) === null || _a === void 0 ? void 0 : _a.innerGetFieldValue(field)) || [];
if (fromIndex === toIndex ||
!isIndexLegal(fromIndex, value) ||
!isIndexLegal(toIndex, value)) {
return;
}
var fromId = currentKeys[fromIndex];
currentKeys.splice(fromIndex, 1);
currentKeys.splice(toIndex, 0, fromId);
var fromItem = value[fromIndex];
var newValue = __spreadArray([], __read(value), false);
newValue.splice(fromIndex, 1);
newValue.splice(toIndex, 0, fromItem);
onChange(newValue, { isFormList: true });
};
return (isFunction(children) &&
children(value.map(function (_, index) {
var key = currentKeys[index];
if (key === undefined) {
key = keysRef.current.id;
currentKeys.push(key);
keysRef.current.id += 1;
}
return {
field: field + "[" + index + "]",
key: key,
};
}), {
add: add,
remove: remove,
move: move,
}));
})));
};
List.displayName = 'FormList';
export default List;