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Move decorators transform to @babel/helper-create-class-features-plugin (#9059)

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* Move decorators to @babel/plugin-class-features

* Minor refactoring

* Use the new helper package
This commit is contained in:
Nicolò Ribaudo
2018-12-09 12:30:25 +01:00
committed by GitHub
parent 9b005dedfd
commit d1d3c823cc
9 changed files with 285 additions and 307 deletions
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20
packages/babel-helper-create-class-features-plugin/src/features.js
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@@ -1,4 +1,4 @@
import { hasDecorators } from "./decorators";
import { hasOwnDecorators } from "./decorators";
export const FEATURES = Object.freeze({
//classes: 1 << 0,
@@ -39,14 +39,18 @@ export function isLoose(file, feature) {
}
export function verifyUsedFeatures(path, file) {
if (hasDecorators(path) && !hasFeature(file, FEATURES.decorators)) {
throw path.buildCodeFrameError("Decorators are not enabled.");
}
if (hasOwnDecorators(path)) {
if (!hasFeature(file, FEATURES.decorators)) {
throw path.buildCodeFrameError("Decorators are not enabled.");
}
if (hasFeature(file, FEATURES.decorators)) {
throw new Error(
"@babel/plugin-class-features doesn't support decorators yet.",
);
if (path.isPrivate()) {
throw path.buildCodeFrameError(
`Private ${
path.isClassMethod() ? "methods" : "fields"
} in decorated classes are not supported yet.`,
);
}
}
// NOTE: We can't use path.isPrivateMethod() because it isn't supported in <7.2.0