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