ec3345bb57
* Flow enums parsing * Parse exporting enums * Enums parsing remove lookahead, other improvements * Enums: add EnumBody and EnumMember aliases, change boolean members to use BooleaLiteral value * Fix enum member init flow type, now that boolean members have a BooleanLiteral value * Flow enums: use contextual utils, change members length checks to use logic operators, remove reserved word logic modification * Flow enums: remove unnecessary code in generator, fix error message
36 lines
943 B
JavaScript
36 lines
943 B
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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// When enabled and plugins includes flow, all files should be parsed as if
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// the @flow pragma was provided.
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const { all, enums } = options;
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if (typeof all !== "boolean" && typeof all !== "undefined") {
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throw new Error(".all must be a boolean, or undefined");
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}
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if (typeof enums !== "boolean" && typeof enums !== "undefined") {
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throw new Error(".enums must be a boolean, or undefined");
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}
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return {
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name: "syntax-flow",
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manipulateOptions(opts, parserOpts) {
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// If the file has already enabled TS, assume that this is not a
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// valid Flowtype file.
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if (
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parserOpts.plugins.some(
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p => (Array.isArray(p) ? p[0] : p) === "typescript",
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)
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) {
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return;
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}
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parserOpts.plugins.push(["flow", { all, enums }]);
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},
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};
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});
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