53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = getDisplayName;
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exports.getFunctionName = getFunctionName;
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var _reactIs = require("react-is");
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// Simplified polyfill for IE11 support
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// https://github.com/JamesMGreene/Function.name/blob/58b314d4a983110c3682f1228f845d39ccca1817/Function.name.js#L3
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const fnNameMatchRegex = /^\s*function(?:\s|\s*\/\*.*\*\/\s*)+([^(\s/]*)\s*/;
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function getFunctionName(fn) {
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const match = `${fn}`.match(fnNameMatchRegex);
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const name = match && match[1];
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return name || '';
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}
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function getFunctionComponentName(Component, fallback = '') {
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return Component.displayName || Component.name || getFunctionName(Component) || fallback;
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}
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function getWrappedName(outerType, innerType, wrapperName) {
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const functionName = getFunctionComponentName(innerType);
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return outerType.displayName || (functionName !== '' ? `${wrapperName}(${functionName})` : wrapperName);
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}
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/**
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* cherry-pick from
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* https://github.com/facebook/react/blob/769b1f270e1251d9dbdce0fcbd9e92e502d059b8/packages/shared/getComponentName.js
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* originally forked from recompose/getDisplayName with added IE11 support
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*/
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function getDisplayName(Component) {
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if (Component == null) {
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return undefined;
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}
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if (typeof Component === 'string') {
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return Component;
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}
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if (typeof Component === 'function') {
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return getFunctionComponentName(Component, 'Component');
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}
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// TypeScript can't have components as objects but they exist in the form of `memo` or `Suspense`
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if (typeof Component === 'object') {
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switch (Component.$$typeof) {
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case _reactIs.ForwardRef:
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return getWrappedName(Component, Component.render, 'ForwardRef');
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case _reactIs.Memo:
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return getWrappedName(Component, Component.type, 'memo');
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default:
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return undefined;
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}
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}
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return undefined;
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}
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