d79b5eeeff
* Require decoratorsBeforeExport option for syntax-decorators * Also babylon * Enable test
48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
import { declare } from "@babel/helper-plugin-utils";
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export default declare((api, options) => {
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api.assertVersion(7);
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const { legacy = false } = options;
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if (typeof legacy !== "boolean") {
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throw new Error("'legacy' must be a boolean.");
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}
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if (legacy !== true) {
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throw new Error(
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"The new decorators proposal is not supported yet." +
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' You must pass the `"legacy": true` option to' +
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" @babel/plugin-syntax-decorators",
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);
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}
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const { decoratorsBeforeExport } = options;
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if (decoratorsBeforeExport === undefined) {
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if (!legacy) {
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throw new Error(
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"The '@babel/plugin-syntax-decorators' plugin requires a" +
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" 'decoratorsBeforeExport' option, whose value must be a boolean.",
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);
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}
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} else {
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if (legacy) {
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throw new Error(
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"'decoratorsBeforeExport' can't be used with legacy decorators.",
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);
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}
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if (typeof decoratorsBeforeExport !== "boolean") {
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throw new Error("'decoratorsBeforeExport' must be a boolean.");
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}
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}
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return {
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manipulateOptions(opts, parserOpts) {
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parserOpts.plugins.push(
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legacy
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? "decorators-legacy"
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: ["decorators", { decoratorsBeforeExport }],
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);
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},
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};
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});
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