94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
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"use strict";
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var babylonToEspree = require("./babylon-to-espree");
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var parse = require("@babel/parser").parse;
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var tt = require("@babel/parser").tokTypes;
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var traverse = require("@babel/traverse").default;
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var codeFrameColumns = require("@babel/code-frame").codeFrameColumns;
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module.exports = function(code, options) {
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const legacyDecorators =
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options.ecmaFeatures && options.ecmaFeatures.legacyDecorators;
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var opts = {
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codeFrame: options.hasOwnProperty("codeFrame") ? options.codeFrame : true,
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sourceType: options.sourceType,
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allowImportExportEverywhere: options.allowImportExportEverywhere, // consistent with espree
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allowReturnOutsideFunction: true,
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allowSuperOutsideMethod: true,
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ranges: true,
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tokens: true,
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plugins: [
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["flow", { all: true }],
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"jsx",
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"estree",
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"asyncFunctions",
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"asyncGenerators",
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"classConstructorCall",
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"classProperties",
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legacyDecorators
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? "decorators-legacy"
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: ["decorators", { decoratorsBeforeExport: false }],
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"doExpressions",
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"exponentiationOperator",
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"exportDefaultFrom",
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"exportNamespaceFrom",
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"functionBind",
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"functionSent",
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"objectRestSpread",
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"trailingFunctionCommas",
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"dynamicImport",
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"numericSeparator",
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"optionalChaining",
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"importMeta",
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"classPrivateProperties",
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"bigInt",
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"optionalCatchBinding",
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"throwExpressions",
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["pipelineOperator", { proposal: "minimal" }],
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"nullishCoalescingOperator",
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"logicalAssignment",
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],
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};
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var ast;
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try {
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ast = parse(code, opts);
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} catch (err) {
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if (err instanceof SyntaxError) {
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err.lineNumber = err.loc.line;
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err.column = err.loc.column;
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if (opts.codeFrame) {
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err.lineNumber = err.loc.line;
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err.column = err.loc.column + 1;
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// remove trailing "(LINE:COLUMN)" acorn message and add in esprima syntax error message start
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err.message =
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"Line " +
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err.lineNumber +
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": " +
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err.message.replace(/ \((\d+):(\d+)\)$/, "") +
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// add codeframe
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"\n\n" +
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codeFrameColumns(
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code,
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{
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start: {
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line: err.lineNumber,
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column: err.column,
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},
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},
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{ highlightCode: true }
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);
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}
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}
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throw err;
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}
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babylonToEspree(ast, traverse, tt, code);
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return ast;
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};
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