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refactor: move @babel/helper-annotate-as-pure to ts (#12415)

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* refactor: move @babel/helper-annotate-as-pure to ts

* chore: add flow types
This commit is contained in:
Huáng Jùnliàng 2020-12-01 11:23:23 -05:00 committed by GitHub
parent 5e4b85ab1c
commit 7000ae04a5
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2 changed files with 16 additions and 3 deletions
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10
lib/babel-packages.js.flow
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@ -49,3 +49,13 @@ declare module "@babel/helper-get-function-arity" {
node: BabelNodeFunction
): number;
}
declare module "@babel/helper-annotate-as-pure" {
declare export default function annotateAsPure(
pathOrNode:
| BabelNode
| {
node: BabelNode,
}
): void;
}

9
packages/babel-helper-annotate-as-pure/src/index.js → packages/babel-helper-annotate-as-pure/src/index.ts
View File

@ -1,13 +1,16 @@
import * as t from "@babel/types";
import type { Node } from "@babel/types";
const PURE_ANNOTATION = "#__PURE__";
const isPureAnnotated = ({ leadingComments }) =>
const isPureAnnotated = ({ leadingComments }: Node): boolean =>
!!leadingComments &&
leadingComments.some(comment => /[@#]__PURE__/.test(comment.value));
export default function annotateAsPure(pathOrNode) {
const node = pathOrNode.node || pathOrNode;
export default function annotateAsPure(
pathOrNode: Node | { node: Node },
): void {
const node = pathOrNode["node"] || pathOrNode;
if (isPureAnnotated(node)) {
return;
}