JSLint to ignore undefined variables

Question

I have chopped my js program into many pieces for development. Now when I run one piece through JSLint, I get a lot of errors of the type:

Problem at line 48 character 42: 'XXXXXXX' was used before it was defined.

I've looked for an option "Tolerate undefined variables" but haven't found any such option. What can I do so that JSLint ignores undefined variables?

Answer 1

From JSLint documentation:

JSLint also recognizes a /*global */ directive that can indicate to JSLint that variables used in this file were defined in other files. The comment can contain a comma separated list of names. Each name can optionally be followed by a colon and either true or false, true indicating that the variable may be assigned to by this file, and false indicating that assignment is not allowed (which is the default).

Example:

/*global var1, var2, var3 */

However I'd advise you to not do that, and instead write a simple script that re-assembles all the files and check the resulting file with JSLint.

Answer 2

The answer "use a different program" is not acceptable.

Go to Preferences > Package Settings > JSLint > Advanced Build Settings.

Within the array for "cmd", add "--undef". It should look something like

{
    "cmd": [
      "node", 
      "${packages}/JSLint/linter.js",
      // tolerate missing 'use strict' pragma
      "--sloppy",
      // suggest an indent level of two spaces
      "--indent", "2",
      // assume node.js to predefine node globals
      "--node",
      // tolerate unfiltered for in
      //"--forin",
      // tolerate dangling _ in identifiers
      "--nomen",
      // tolerate many var statements per function
      "--vars",
      // tolerate ++ and --
      "--plusplus",
      // tolerate Douglas Crockford
      "--stupid",
      "--todo",
      // -----------------------------------------------
      // tolerate undefined variables
      "--undef",
      // -----------------------------------------------
      "$file"
    ],
    "file_regex": "^\\/.*\\/([^\\/]*)$",
    "line_regex": ".*\/\/ Line ([0-9]*), Pos ([0-9]*)$",
    "selector": "source.js, source.css, source.json, source.sass, source.less, source.html"
}