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fix: throw when legacy and version are both specified

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also fix decoratorsBeforeExport error when version: "legacy" is specified
This commit is contained in:
Huáng Jùnliàng 2022-01-14 18:44:58 -05:00 committed by Nicolò Ribaudo
parent 62acebe844
commit e67b698cbd
1 changed files with 9 additions and 9 deletions
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18
packages/babel-plugin-proposal-decorators/src/index.ts
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@ -12,10 +12,16 @@ import transformer2021_12 from "./transformer-2021-12";
export default declare((api, options) => { export default declare((api, options) => {
api.assertVersion(7); api.assertVersion(7);
const { legacy = false } = options; let { legacy = false } = options;
if (typeof legacy !== "boolean") { if (typeof legacy !== "boolean") {
throw new Error("'legacy' must be a boolean."); throw new Error("'legacy' must be a boolean.");
} }
if (version !== undefined && options.legacy !== undefined) {
throw new Error(
'You can either specify `legacy: true` or `version: "legacy"` with decorators, not both.',
);
}
legacy ||= version === "legacy";
const { decoratorsBeforeExport, version } = options; const { decoratorsBeforeExport, version } = options;
if (decoratorsBeforeExport === undefined) { if (decoratorsBeforeExport === undefined) {
@ -23,7 +29,7 @@ export default declare((api, options) => {
throw new Error( throw new Error(
"The decorators plugin requires a 'decoratorsBeforeExport' option," + "The decorators plugin requires a 'decoratorsBeforeExport' option," +
" whose value must be a boolean. If you want to use the legacy" + " whose value must be a boolean. If you want to use the legacy" +
" decorators semantics, you can set the 'legacy: true' option.", " decorators semantics, you can set the `version: 'legacy'` option.",
); );
} }
} else { } else {
@ -37,13 +43,7 @@ export default declare((api, options) => {
} }
} }
if (version === "legacy" || legacy) { if (legacy) {
if (version !== undefined && legacy) {
throw new Error(
'You can either specify `legacy: true` or `version: "legacy"` with decorators, not both.',
);
}
return { return {
name: "proposal-decorators", name: "proposal-decorators",
inherits: syntaxDecorators, inherits: syntaxDecorators,