bc518174
 王天杨
提交两个项目文件
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function isObject(subject) {
return Object.prototype.toString.call(subject) === '[object Object]';
}
function isRecord(subject) {
return isObject(subject) || Array.isArray(subject);
}
function canUseDOM() {
return !!(typeof window !== 'undefined' && window.document && window.document.createElement);
}
function areOptionsEqual(optionsA, optionsB) {
const optionsAKeys = Object.keys(optionsA);
const optionsBKeys = Object.keys(optionsB);
if (optionsAKeys.length !== optionsBKeys.length) return false;
const breakpointsA = JSON.stringify(Object.keys(optionsA.breakpoints || {}));
const breakpointsB = JSON.stringify(Object.keys(optionsB.breakpoints || {}));
if (breakpointsA !== breakpointsB) return false;
return optionsAKeys.every(key => {
const valueA = optionsA[key];
const valueB = optionsB[key];
if (typeof valueA === 'function') return `${valueA}` === `${valueB}`;
if (!isRecord(valueA) || !isRecord(valueB)) return valueA === valueB;
return areOptionsEqual(valueA, valueB);
});
}
function sortAndMapPluginToOptions(plugins) {
return plugins.concat().sort((a, b) => a.name > b.name ? 1 : -1).map(plugin => plugin.options);
}
function arePluginsEqual(pluginsA, pluginsB) {
if (pluginsA.length !== pluginsB.length) return false;
const optionsA = sortAndMapPluginToOptions(pluginsA);
const optionsB = sortAndMapPluginToOptions(pluginsB);
return optionsA.every((optionA, index) => {
const optionB = optionsB[index];
return areOptionsEqual(optionA, optionB);
});
}
export { areOptionsEqual, arePluginsEqual, canUseDOM, sortAndMapPluginToOptions };
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