blob: a9e38c5207ba6fd7ed0ee26ea3ffd3f87f46320f (
plain)
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
|
/**
* This visitor replaces styled components with metadata about them.
* CallExpression should be used to match styled components.
* Works out of the box for styled that wraps other component,
* styled.tagName are transformed to call expressions using @babel/plugin-transform-template-literals
* @babel/plugin-transform-template-literals is loaded as a prest, to force proper ordering. It has to run just after linaria.
* It is used explicitly in extractor, and loaded as a part of `prest-env` in shaker
*/
import { types as t } from '@babel/core';
import type { NodePath } from '@babel/traverse';
import type { CallExpression } from '@babel/types';
import { expression } from '@babel/template';
import getLinariaComment from '../../utils/getLinariaComment';
const linariaComponentTpl = expression(
`{
displayName: %%displayName%%,
__linaria: {
className: %%className%%,
extends: %%extends%%
}
}`
);
export default function ProcessStyled(path: NodePath<CallExpression>) {
const [type, , displayName, className] = getLinariaComment(path);
if (!className) {
return;
}
if (type === 'css') {
path.replaceWith(t.stringLiteral(className));
return;
}
path.replaceWith(
linariaComponentTpl({
className: t.stringLiteral(className),
displayName: displayName ? t.stringLiteral(displayName) : null,
extends: t.isCallExpression(path.node.callee)
? path.node.callee.arguments[0]
: t.nullLiteral(),
})
);
}
|
