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f9dd34d301
PR-URL: https://github.com/iojs/io.js/pull/1539 Fixes: https://github.com/iojs/io.js/issues/1253 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu> Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
/**
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* @fileoverview Disallow trailing spaces at the end of lines.
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* @author Nodeca Team <https://github.com/nodeca>
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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 TRAILER = "[ \t\u00a0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000]+$";
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//--------------------------------------------------------------------------
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// Public
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//--------------------------------------------------------------------------
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return {
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"Program": function checkTrailingSpaces(node) {
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// Let's hack. Since Esprima does not return whitespace nodes,
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// fetch the source code and do black magic via regexps.
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var src = context.getSource(),
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re = new RegExp(TRAILER, "mg"),
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match, lines, location;
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while ((match = re.exec(src)) !== null) {
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lines = src.slice(0, re.lastIndex).split(/\r?\n/g);
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location = {
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line: lines.length,
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column: lines[lines.length - 1].length - match[0].length + 1
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};
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// Passing node is a bit dirty, because message data will contain
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// big text in `source`. But... who cares :) ?
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// One more kludge will not make worse the bloody wizardry of this plugin.
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context.report(node, location, "Trailing spaces not allowed.");
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}
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}
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};
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};
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