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Unexpected character '#'

See original GitHub issue

I know it’s probably not the intended use, but I was trying to parse a node file with this and received this error. The node script is designed to be a command line tool, and espree is complaining about the shebang (#!/usr/bin/env node).

Stack Trace:

SyntaxError: Unexpected character '#'
    at Parser.instance.raise.instance.raiseRecoverable (node_modules/espree/espree.js:390:19)
    at Parser.pp.getTokenFromCode (node_modules/acorn/dist/acorn.js:2831:8)
    at Parser.pp.readToken (node_modules/acorn/dist/acorn.js:2526:15)
    at Parser.pp.nextToken (node_modules/acorn/dist/acorn.js:2518:71)
    at Parser.parse (node_modules/acorn/dist/acorn.js:1631:10)
    at Object.parse (node_modules/acorn/dist/acorn.js:885:44)
    at Object.parse (node_modules/espree/espree.js:715:21)

This is pretty easily fixed by stripping the first line out, but it requires an extra pre-processing step. It’d be nice to either throw a warning or ignore these (or both) without crashing the process.

Issue Analytics

State:
Created 7 years ago
Comments:8 (4 by maintainers)

Top GitHub Comments

3reactions

not-an-aardvarkcommented, Apr 9, 2019

It seems like we probably need the special logic anyway for parsers that don’t support the option.

2reactions

mdjermanoviccommented, Aug 26, 2022

This is now supported in espree v9.4.0 with ecmaVersion: 2023.

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