getDisplayName.js
1.38 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = getDisplayName;
var _reactIs = require("react-is");
function getFunctionComponentName(Component, fallback = '') {
return Component.displayName || Component.name || fallback;
}
function getWrappedName(outerType, innerType, wrapperName) {
const functionName = getFunctionComponentName(innerType);
return outerType.displayName || (functionName !== '' ? `${wrapperName}(${functionName})` : wrapperName);
}
/**
* cherry-pick from
* https://github.com/facebook/react/blob/769b1f270e1251d9dbdce0fcbd9e92e502d059b8/packages/shared/getComponentName.js
* originally forked from recompose/getDisplayName
*/
function getDisplayName(Component) {
if (Component == null) {
return undefined;
}
if (typeof Component === 'string') {
return Component;
}
if (typeof Component === 'function') {
return getFunctionComponentName(Component, 'Component');
}
// TypeScript can't have components as objects but they exist in the form of `memo` or `Suspense`
if (typeof Component === 'object') {
switch (Component.$$typeof) {
case _reactIs.ForwardRef:
return getWrappedName(Component, Component.render, 'ForwardRef');
case _reactIs.Memo:
return getWrappedName(Component, Component.type, 'memo');
default:
return undefined;
}
}
return undefined;
}