95 lines
3.9 KiB
JavaScript
95 lines
3.9 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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exports.stringify = stringify;
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var _warning = _interopRequireDefault(require("@rc-component/util/lib/warning"));
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var _react = require("react");
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var _FieldContext = _interopRequireWildcard(require("../FieldContext"));
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var _typeUtil = require("../utils/typeUtil");
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var _valueUtil = require("../utils/valueUtil");
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var _util = require("@rc-component/util");
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function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function stringify(value) {
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try {
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return JSON.stringify(value);
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} catch {
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return Math.random();
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}
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}
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// ------- selector type -------
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// ------- selector type end -------
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function useWatch(...args) {
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const [dependencies, _form = {}] = args;
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const options = (0, _typeUtil.isFormInstance)(_form) ? {
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form: _form
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} : _form;
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const form = options.form;
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const [value, setValue] = (0, _react.useState)(() => typeof dependencies === 'function' ? dependencies({}) : undefined);
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const valueStr = (0, _react.useMemo)(() => stringify(value), [value]);
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const valueStrRef = (0, _react.useRef)(valueStr);
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valueStrRef.current = valueStr;
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const fieldContext = (0, _react.useContext)(_FieldContext.default);
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const formInstance = form || fieldContext;
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const isValidForm = formInstance && formInstance._init;
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// Warning if not exist form instance
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if (process.env.NODE_ENV !== 'production') {
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(0, _warning.default)(args.length === 2 ? form ? isValidForm : true : isValidForm, 'useWatch requires a form instance since it can not auto detect from context.');
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}
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// ============================== Form ==============================
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const {
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getFieldsValue,
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getInternalHooks
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} = formInstance;
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const {
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registerWatch
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} = getInternalHooks(_FieldContext.HOOK_MARK);
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// ============================= Update =============================
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const triggerUpdate = (0, _util.useEvent)((values, allValues) => {
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const watchValue = options.preserve ? allValues ?? getFieldsValue(true) : values ?? getFieldsValue();
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const nextValue = typeof dependencies === 'function' ? dependencies(watchValue) : (0, _valueUtil.getValue)(watchValue, (0, _valueUtil.getNamePath)(dependencies));
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if (stringify(value) !== stringify(nextValue)) {
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setValue(nextValue);
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}
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});
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// ============================= Effect =============================
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const flattenDeps = typeof dependencies === 'function' ? dependencies : JSON.stringify(dependencies);
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// Deps changed
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(0, _react.useEffect)(() => {
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// Skip if not exist form instance
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if (!isValidForm) {
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return;
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}
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triggerUpdate();
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [isValidForm, flattenDeps]);
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// Value changed
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(0, _react.useEffect)(() => {
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// Skip if not exist form instance
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if (!isValidForm) {
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return;
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}
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const cancelRegister = registerWatch((values, allValues) => {
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triggerUpdate(values, allValues);
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});
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return cancelRegister;
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [isValidForm]);
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return value;
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}
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var _default = exports.default = useWatch; |