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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
import React from 'react';
import ReactDOM from 'react-dom/server.js';
import StaticHtml from './static-html.js';
const slotName = (str) => str.trim().replace(/[-_]([a-z])/g, (_, w) => w.toUpperCase());
const reactTypeof = Symbol.for('react.element');
function errorIsComingFromPreactComponent(err) {
return (
err.message &&
(err.message.startsWith("Cannot read property '__H'") ||
err.message.includes("(reading '__H')"))
);
}
function check(Component, props, children) {
// Note: there are packages that do some unholy things to create "components".
// Checking the $$typeof property catches most of these patterns.
if (typeof Component === 'object') {
return Component['$$typeof']?.toString().slice('Symbol('.length).startsWith('react');
}
if (typeof Component !== 'function') return false;
if (Component.prototype != null && typeof Component.prototype.render === 'function') {
return React.Component.isPrototypeOf(Component) || React.PureComponent.isPrototypeOf(Component);
}
let error = null;
let isReactComponent = false;
function Tester(...args) {
try {
const vnode = Component(...args);
if (vnode && vnode['$$typeof'] === reactTypeof) {
isReactComponent = true;
}
} catch (err) {
if (!errorIsComingFromPreactComponent(err)) {
error = err;
}
}
return React.createElement('div');
}
renderToStaticMarkup(Tester, props, children, {});
if (error) {
throw error;
}
return isReactComponent;
}
function renderToStaticMarkup(Component, props, { default: children, ...slotted }, metadata) {
delete props['class'];
const slots = {};
for (const [key, value] of Object.entries(slotted)) {
const name = slotName(key);
slots[name] = React.createElement(StaticHtml, { value, name });
}
// Note: create newProps to avoid mutating `props` before they are serialized
const newProps = {
...props,
...slots,
};
const newChildren = children ?? props.children;
if (newChildren != null) {
newProps.children = React.createElement(StaticHtml, {
// Adjust how this is hydrated only when the version of Astro supports `astroStaticSlot`
hydrate: metadata.astroStaticSlot ? !!metadata.hydrate : true,
value: newChildren,
});
}
const vnode = React.createElement(Component, newProps);
let html;
if (metadata?.hydrate) {
html = ReactDOM.renderToString(vnode);
} else {
html = ReactDOM.renderToStaticMarkup(vnode);
}
return { html };
}
export default {
check,
renderToStaticMarkup,
supportsAstroStaticSlot: true,
};
|
