61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
import React from 'react';
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import ReactDOM from 'react-dom/server.js';
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import StaticHtml from './static-html.js';
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const reactTypeof = Symbol.for('react.element');
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function errorIsComingFromPreactComponent(err) {
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return err.message && err.message.startsWith("Cannot read property '__H'");
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}
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function check(Component, props, children) {
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if (typeof Component !== 'function') return false;
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if (Component.prototype != null && typeof Component.prototype.render === 'function') {
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return React.Component.isPrototypeOf(Component) || React.PureComponent.isPrototypeOf(Component);
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}
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let error = null;
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let isReactComponent = false;
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function Tester(...args) {
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try {
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const vnode = Component(...args);
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if (vnode && vnode['$$typeof'] === reactTypeof) {
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isReactComponent = true;
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}
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} catch (err) {
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if(!errorIsComingFromPreactComponent(err)) {
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error = err;
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}
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}
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return React.createElement('div');
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}
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renderToStaticMarkup(Tester, props, children, {});
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if (error) {
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throw error;
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}
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return isReactComponent;
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}
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function renderToStaticMarkup(Component, props, children, metadata) {
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const vnode = React.createElement(Component, {
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...props,
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children: React.createElement(StaticHtml, { value: children }),
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innerHTML: children,
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});
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let html;
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if (metadata && metadata.hydrate) {
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html = ReactDOM.renderToString(vnode);
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} else {
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html = ReactDOM.renderToStaticMarkup(vnode);
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}
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return { html };
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}
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export default {
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check,
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renderToStaticMarkup,
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};
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