51 lines
1.6 KiB
JavaScript
51 lines
1.6 KiB
JavaScript
import {
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paramsList
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} from './params-list.js';
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import {
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isObject
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} from './utils.js';
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function getChangedParams(swiperParams, oldParams, children, oldChildren) {
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const keys = [];
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if (!oldParams) return keys;
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const addKey = (key) => {
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if (keys.indexOf(key) < 0) keys.push(key);
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};
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const oldChildrenKeys = oldChildren.map((child) => child.props && child.props.key);
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const childrenKeys = children.map((child) => child.props && child.props.key);
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if (oldChildrenKeys.join('') !== childrenKeys.join('')) keys.push('children');
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if (oldChildren.length !== children.length) keys.push('children');
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const watchParams = paramsList.filter((key) => key[0] === '_').map((key) => key.replace(/_/, ''));
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watchParams.forEach((key) => {
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if (key in swiperParams && key in oldParams) {
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if (isObject(swiperParams[key]) && isObject(oldParams[key])) {
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const newKeys = Object.keys(swiperParams[key]);
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const oldKeys = Object.keys(oldParams[key]);
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if (newKeys.length !== oldKeys.length) {
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addKey(key);
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} else {
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newKeys.forEach((newKey) => {
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if (swiperParams[key][newKey] !== oldParams[key][newKey]) {
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addKey(key);
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}
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});
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oldKeys.forEach((oldKey) => {
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if (swiperParams[key][oldKey] !== oldParams[key][oldKey]) addKey(key);
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});
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}
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} else if (swiperParams[key] !== oldParams[key]) {
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addKey(key);
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}
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} else if (key in swiperParams && !(key in oldParams)) {
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addKey(key);
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} else if (!(key in swiperParams) && key in oldParams) {
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addKey(key);
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}
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});
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return keys;
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}
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export {
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getChangedParams
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};
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