Permalink
Cannot retrieve contributors at this time
105 lines (88 sloc)
3.4 KB
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
codeql-action/node_modules/eslint/lib/rules/linebreak-style.js
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
* @fileoverview Rule to enforce a single linebreak style. | |
* @author Erik Mueller | |
*/ | |
"use strict"; | |
//------------------------------------------------------------------------------ | |
// Requirements | |
//------------------------------------------------------------------------------ | |
const astUtils = require("./utils/ast-utils"); | |
//------------------------------------------------------------------------------ | |
// Rule Definition | |
//------------------------------------------------------------------------------ | |
/** @type {import('../shared/types').Rule} */ | |
module.exports = { | |
meta: { | |
type: "layout", | |
docs: { | |
description: "Enforce consistent linebreak style", | |
recommended: false, | |
url: "https://eslint.org/docs/latest/rules/linebreak-style" | |
}, | |
fixable: "whitespace", | |
schema: [ | |
{ | |
enum: ["unix", "windows"] | |
} | |
], | |
messages: { | |
expectedLF: "Expected linebreaks to be 'LF' but found 'CRLF'.", | |
expectedCRLF: "Expected linebreaks to be 'CRLF' but found 'LF'." | |
} | |
}, | |
create(context) { | |
const sourceCode = context.sourceCode; | |
//-------------------------------------------------------------------------- | |
// Helpers | |
//-------------------------------------------------------------------------- | |
/** | |
* Builds a fix function that replaces text at the specified range in the source text. | |
* @param {int[]} range The range to replace | |
* @param {string} text The text to insert. | |
* @returns {Function} Fixer function | |
* @private | |
*/ | |
function createFix(range, text) { | |
return function(fixer) { | |
return fixer.replaceTextRange(range, text); | |
}; | |
} | |
//-------------------------------------------------------------------------- | |
// Public | |
//-------------------------------------------------------------------------- | |
return { | |
Program: function checkForLinebreakStyle(node) { | |
const linebreakStyle = context.options[0] || "unix", | |
expectedLF = linebreakStyle === "unix", | |
expectedLFChars = expectedLF ? "\n" : "\r\n", | |
source = sourceCode.getText(), | |
pattern = astUtils.createGlobalLinebreakMatcher(); | |
let match; | |
let i = 0; | |
while ((match = pattern.exec(source)) !== null) { | |
i++; | |
if (match[0] === expectedLFChars) { | |
continue; | |
} | |
const index = match.index; | |
const range = [index, index + match[0].length]; | |
context.report({ | |
node, | |
loc: { | |
start: { | |
line: i, | |
column: sourceCode.lines[i - 1].length | |
}, | |
end: { | |
line: i + 1, | |
column: 0 | |
} | |
}, | |
messageId: expectedLF ? "expectedLF" : "expectedCRLF", | |
fix: createFix(range, expectedLFChars) | |
}); | |
} | |
} | |
}; | |
} | |
}; |