Nodejs invalid regexp

Question

I run the following command:

node_modules/.bin/jsdoc -r --destination /home/user/public_html/jsdoc-meta/ node_modules/jsdoc/

and this is what I get. I don't find the error in the regular expression:

/home/user/node_modules/jsdoc/lib/jsdoc/name.js:77
    var regexp = new RegExp('^' + memberof.toString() + REGEXP_SCOPE_PUNC);
                 ^
SyntaxError: Invalid regular expression: /^harmonyTestFixture.ES6 Template Strings.`\u{000042}\u0042\x42\u0\102\A`[~,#,.]/: Unterminated character class
    at new RegExp (<anonymous>)
    at nameIsLongname (/home/user/node_modules/jsdoc/lib/jsdoc/name.js:77:18)
    at Object.exports.resolve (/home/user/node_modules/jsdoc/lib/jsdoc/name.js:114:21)
    at Doclet.postProcess (/home/user/node_modules/jsdoc/lib/jsdoc/doclet.js:171:20)
    at newSymbolDoclet (/home/user/node_modules/jsdoc/lib/jsdoc/src/handlers.js:190:23)
    at null.<anonymous> (/home/user/node_modules/jsdoc/lib/jsdoc/src/handlers.js:226:29)
    at EventEmitter.emit (events.js:98:17)
    at Visitor.visitNode (/home/user/node_modules/jsdoc/lib/jsdoc/src/visitor.js:283:16)
    at Visitor.visit (/home/user/node_modules/jsdoc/lib/jsdoc/src/visitor.js:177:27)
    at Walker.recurse (/home/user/node_modules/jsdoc/lib/jsdoc/src/walker.js:533:27)

IT should be `^harmonyTestFixture.ES6 Template Strings.\\u{000042}\u0042\x42\\u0\102\A[~,#,.]` — Braj, Jul 22 '14 at 20:48

score 1 · Accepted Answer · answered Jul 22 '14 at 20:52

1

Node (or V8 much rather) tries to parse this as a UTF8 escape sequence:

/^harmonyTestFixture.ES6 Template Strings.`\u{000042}\u0042\x42\u0\102\A`[~,#,.]/
                                                                ^^^^^^

However, due to the backslash between the \u0 and the 102 there's missing characters, thus the error message (Unterminated character class). Depending on what you're trying to achieve, you could either remove that backslash:

/^harmonyTestFixture.ES6 Template Strings.`\u{000042}\u0042\x42\u0102\A`[~,#,.]/
                                                                  ^

or escape the backslash:

/^harmonyTestFixture.ES6 Template Strings.`\u\{000042\}\u0042\x42\u0\\102\A`[~,#,.]/
                                                                    ^^

answered Jul 22 '14 at 20:52

Fabian Lauer

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I grepped the source and found ```'`\\u{000042}\\u0042\\x42\\u0\\102\\A`'``` which makes a lot of sense. Maybe it's then an error and all of the backslashes need to be double escaped? – Andras Gyomrey Jul 22 '14 at 21:01
I don't know why these where in Jsdoc, but i finally commented out tests and this passed through. – Andras Gyomrey Jul 31 '14 at 17:46
Glad you could fix it. – Fabian Lauer Aug 05 '14 at 14:21

Nodejs invalid regexp

1 Answers1