115 lines
4.0 KiB
JavaScript
115 lines
4.0 KiB
JavaScript
import { __spreadArray } from "tslib";
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import { getValueFromProps } from '../_util/simply';
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function equal(a, b) {
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if (a === b) {
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return true;
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}
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if (a !== a && b !== b) {
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return true;
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}
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return false;
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}
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var component2 = my.canIUse('component2');
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export default (function (_a) {
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var _b;
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var _c = _a === void 0 ? {} : _a, _d = _c.valueKey, valueKey = _d === void 0 ? 'value' : _d, _e = _c.defaultValueKey, defaultValueKey = _e === void 0 ? 'defaultValue' : _e, _f = _c.scopeKey, scopeKey = _f === void 0 ? 'mixin' : _f, _g = _c.transformValue, transformValue = _g === void 0 ? function (value) { return ({
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needUpdate: true,
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value: value,
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}); } : _g;
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var mixin = {
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data: (_b = {},
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_b[scopeKey] = {
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value: undefined,
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updated: false,
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controlled: false,
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},
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_b),
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onInit: function () {
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this.init();
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},
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deriveDataFromProps: function (nextProps) {
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if (!equal(nextProps[valueKey], getValueFromProps(this, valueKey))) {
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this.update(nextProps[valueKey], {
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nextProps: nextProps,
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});
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}
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},
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didUpdate: function (prevProps) {
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if (component2) {
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return;
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}
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if (!equal(prevProps[valueKey], getValueFromProps(this, valueKey))) {
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this.update(getValueFromProps(this, valueKey), {
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nextProps: getValueFromProps(this),
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});
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}
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},
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didMount: function () {
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if (component2) {
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return;
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}
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this.init();
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},
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methods: {
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init: function () {
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var value;
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value =
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getValueFromProps(this, valueKey) !== undefined
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? getValueFromProps(this, valueKey)
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: getValueFromProps(this, defaultValueKey);
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var needUpdate = this.update(value, {
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nextProps: getValueFromProps(this),
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}).needUpdate;
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if (!needUpdate) {
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this.updateControlled();
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}
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},
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getValue: function (prevData) {
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return (prevData || this.data)[scopeKey].value;
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},
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isEqualValue: function (prevData) {
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if (!prevData[scopeKey].updated) {
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return true;
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}
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return equal(this.getValue(prevData), this.getValue());
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},
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isControlled: function () {
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if ('controlled' in getValueFromProps(this)) {
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return getValueFromProps(this, 'controlled');
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}
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return valueKey in getValueFromProps(this);
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},
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updateControlled: function () {
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var _a;
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this.setData((_a = {},
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_a[scopeKey] = {
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controlled: this.isControlled(),
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},
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_a));
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},
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update: function (val, extra) {
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var _a;
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var args = [];
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for (var _i = 2; _i < arguments.length; _i++) {
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args[_i - 2] = arguments[_i];
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}
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var _b = transformValue.call.apply(transformValue, __spreadArray([this, val, extra], args, false)) || {}, needUpdate = _b.needUpdate, value = _b.value;
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if (needUpdate) {
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this.setData((_a = {},
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_a[scopeKey] = {
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value: value,
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updated: true,
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controlled: this.isControlled(),
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},
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_a));
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}
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return {
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needUpdate: needUpdate,
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value: value,
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};
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},
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},
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};
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return mixin;
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});
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