d91e10b3bd
PR-URL: https://github.com/nodejs/io.js/pull/2072 Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com> Reviewed-by: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Alex Kocharin <alex@kocharin.ru>
44 lines
1.4 KiB
JavaScript
44 lines
1.4 KiB
JavaScript
/**
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* @fileoverview Rule to forbid mixing LF and LFCR line breaks.
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* @author Erik Mueller
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* @copyright 2015 Varun Verma. All rights reserverd.
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* @copyright 2015 James Whitney. All rights reserved.
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* @copyright 2015 Erik Mueller. All rights reserved.
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = function (context) {
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var EXPECTED_LF_MSG = "Expected linebreaks to be 'LF' but found 'CRLF'.",
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EXPECTED_CRLF_MSG = "Expected linebreaks to be 'CRLF' but found 'LF'.";
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return {
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"Program": function checkForlinebreakStyle(node) {
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var linebreakStyle = context.options[0] || "unix",
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expectedLF = linebreakStyle === "unix",
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linebreaks = context.getSource().match(/\r\n|\r|\n|\u2028|\u2029/g),
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lineOfError = -1;
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if (linebreaks !== null) {
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lineOfError = linebreaks.indexOf(expectedLF ? "\r\n" : "\n");
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}
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if (lineOfError !== -1) {
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context.report(node, {
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line: lineOfError + 1,
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column: context.getSourceLines()[lineOfError].length
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}, expectedLF ? EXPECTED_LF_MSG : EXPECTED_CRLF_MSG);
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}
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}
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};
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};
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module.exports.schema = [
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{
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"enum": ["unix", "windows"]
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}
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];
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