50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
"use strict";
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function parseWithFlow(text, filename) {
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// Inline the require to avoid loading all the JS if we don't use it
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const flowParser = require("flow-parser");
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const ast = flowParser.parse(text, {
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esproposal_class_instance_fields: true,
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esproposal_class_static_fields: true,
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esproposal_export_star_as: true
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});
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if (ast.errors.length > 0) {
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let msg = ast.errors[0].message +
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" on line " +
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ast.errors[0].loc.start.line;
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if (filename) {
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msg += " in file " + filename;
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}
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throw new Error(msg);
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}
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return ast;
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}
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function parseWithBabylon(text) {
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// Inline the require to avoid loading all the JS if we don't use it
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const babylon = require("babylon");
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return babylon.parse(text, {
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sourceType: "module",
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allowImportExportEverywhere: false,
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allowReturnOutsideFunction: false,
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plugins: [
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"jsx",
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"flow",
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"doExpressions",
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"objectRestSpread",
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"decorators",
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"classProperties",
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"exportExtensions",
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"asyncGenerators",
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"functionBind",
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"functionSent",
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"dynamicImport"
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]
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});
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}
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module.exports = { parseWithFlow, parseWithBabylon };
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