ant-design-vue
Version:
An enterprise-class UI design language and Vue-based implementation
65 lines • 1.88 kB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
const enableStatistic = process.env.NODE_ENV !== 'production' || typeof CSSINJS_STATISTIC !== 'undefined';
let recording = true;
/**
* This function will do as `Object.assign` in production. But will use Object.defineProperty:get to
* pass all value access in development. To support statistic field usage with alias token.
*/
export function merge() {
for (var _len = arguments.length, objs = new Array(_len), _key = 0; _key < _len; _key++) {
objs[_key] = arguments[_key];
}
/* istanbul ignore next */
if (!enableStatistic) {
return _extends({}, ...objs);
}
recording = false;
const ret = {};
objs.forEach(obj => {
const keys = Object.keys(obj);
keys.forEach(key => {
Object.defineProperty(ret, key, {
configurable: true,
enumerable: true,
get: () => obj[key]
});
});
});
recording = true;
return ret;
}
/** @private Internal Usage. Not use in your production. */
export const statistic = {};
/** @private Internal Usage. Not use in your production. */
// eslint-disable-next-line camelcase
export const _statistic_build_ = {};
/* istanbul ignore next */
function noop() {}
/** Statistic token usage case. Should use `merge` function if you do not want spread record. */
export default function statisticToken(token) {
let tokenKeys;
let proxy = token;
let flush = noop;
if (enableStatistic) {
tokenKeys = new Set();
proxy = new Proxy(token, {
get(obj, prop) {
if (recording) {
tokenKeys.add(prop);
}
return obj[prop];
}
});
flush = (componentName, componentToken) => {
statistic[componentName] = {
global: Array.from(tokenKeys),
component: componentToken
};
};
}
return {
token: proxy,
keys: tokenKeys,
flush
};
}