lepu-test-platform-web/node_modules/babel-eslint/lib/parse.js

94 lines
2.5 KiB
JavaScript

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