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refactor: centralize option validation in syntax-decorators

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This commit is contained in:
Huáng Jùnliàng
2022-01-14 20:30:11 -05:00
committed by Nicolò Ribaudo
parent e52f1dc4b2
commit be798df427
2 changed files with 32 additions and 60 deletions
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28
packages/babel-plugin-syntax-decorators/src/index.ts
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@@ -3,19 +3,29 @@ import { declare } from "@babel/helper-plugin-utils";
export default declare((api, options) => {
api.assertVersion(7);
const { legacy = false, version } = options;
let { legacy = false } = options;
if (typeof legacy !== "boolean") {
throw new Error("'legacy' must be a boolean.");
}
const { decoratorsBeforeExport, version = "2018-09" } = options;
if (
!(version === "2021-12" || version === "2018-09" || version === "legacy")
) {
throw new Error("Unsupported decorators version: " + version);
}
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 } = options;
if (decoratorsBeforeExport === undefined) {
if (!legacy) {
throw new Error(
"The '@babel/plugin-syntax-decorators' plugin requires a" +
" 'decoratorsBeforeExport' option, whose value must be a boolean." +
" If you want to use the legacy decorators semantics, you can set" +
" the 'legacy: true' option.",
"The decorators plugin requires a 'decoratorsBeforeExport' option," +
" whose value must be a boolean. If you want to use the legacy" +
" decorators semantics, you can set the `version: 'legacy'` option.",
);
}
} else {
@@ -29,12 +39,6 @@ export default declare((api, options) => {
}
}
if (
!(version === "2021-12" || version === "2018-09" || version === undefined)
) {
throw new Error("Unsupported decorators version: " + version);
}
return {
name: "syntax-decorators",