@fluentui/react-compose
Version:
Fluent UI React component composition.
65 lines • 3.29 kB
JavaScript
define(["require", "exports", "tslib", "react", "@uifabric/utilities"], function (require, exports, tslib_1, React, utilities_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
* Helper which deep clones props, but respectively assigns JSX, object refs, and class names
* appropriately.
*
* @param target - the target object to merge onto.
* @param propSets - one or more prop sets to deep merge onto the target.
*/
exports.makeMergeProps = function (options) {
if (options === void 0) { options = {}; }
var deepMerge = tslib_1.__spreadArrays((options.deepMerge || []), ['style']);
var mergeProps = function (target) {
var propSets = [];
for (var _i = 1; _i < arguments.length; _i++) {
propSets[_i - 1] = arguments[_i];
}
for (var _a = 0, propSets_1 = propSets; _a < propSets_1.length; _a++) {
var props = propSets_1[_a];
if (props) {
for (var _b = 0, _c = Object.keys(props); _b < _c.length; _b++) {
var propName = _c[_b];
var propValue = props[propName];
var propValueType = typeof propValue;
if (propValue !== undefined) {
if (propValue && propValueType === 'object') {
if (Array.isArray(propValue)) {
// for arrays, replace.
target[propName] = propValue;
}
else {
target[propName] = target[propName] || {};
if (typeof target[propName] !== 'object' ||
React.isValidElement(propValue) ||
(propValue && typeof propValue === 'object' && propValue.hasOwnProperty('current')) ||
deepMerge.indexOf(propName) === -1) {
// if target is not an object, or value is JSX, or a ref object, replace
target[propName] = propValue;
}
else {
// else deep merge.
mergeProps(target[propName], propValue);
}
}
}
else if (propName === 'className') {
if (propValue) {
// for classnames, append
target[propName] = utilities_1.css(target[propName], propValue);
}
}
else {
target[propName] = propValue;
}
}
}
}
}
return target;
};
return mergeProps;
};
});
//# sourceMappingURL=makeMergeProps.js.map