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// CodeMirror, copyright (c) by Marijn Haverbeke and others |
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// Distributed under an MIT license: http://codemirror.net/LICENSE |
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|
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(function(mod) { |
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if (typeof exports == "object" && typeof module == "object") // CommonJS |
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mod(require("../../lib/codemirror")); |
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else if (typeof define == "function" && define.amd) // AMD |
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define(["../../lib/codemirror"], mod); |
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else // Plain browser env |
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mod(CodeMirror); |
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})(function(CodeMirror) { |
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"use strict"; |
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// declare global: JSHINT |
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|
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var bogus = [ "Dangerous comment" ]; |
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|
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var warnings = [ [ "Expected '{'", |
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"Statement body should be inside '{ }' braces." ] ]; |
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|
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var errors = [ "Missing semicolon", "Extra comma", "Missing property name", |
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"Unmatched ", " and instead saw", " is not defined", |
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"Unclosed string", "Stopping, unable to continue" ]; |
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|
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function validator(text, options) { |
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if (!window.JSHINT) { |
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if (window.console) { |
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window.console.error("Error: window.JSHINT not defined, CodeMirror JavaScript linting cannot run."); |
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} |
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return []; |
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} |
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JSHINT(text, options, options.globals); |
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var errors = JSHINT.data().errors, result = []; |
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if (errors) parseErrors(errors, result); |
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return result; |
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} |
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|
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CodeMirror.registerHelper("lint", "javascript", validator); |
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|
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function cleanup(error) { |
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// All problems are warnings by default |
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fixWith(error, warnings, "warning", true); |
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fixWith(error, errors, "error"); |
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|
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return isBogus(error) ? null : error; |
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} |
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|
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function fixWith(error, fixes, severity, force) { |
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var description, fix, find, replace, found; |
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|
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description = error.description; |
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|
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for ( var i = 0; i < fixes.length; i++) { |
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fix = fixes[i]; |
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find = (typeof fix === "string" ? fix : fix[0]); |
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replace = (typeof fix === "string" ? null : fix[1]); |
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found = description.indexOf(find) !== -1; |
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|
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if (force || found) { |
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error.severity = severity; |
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} |
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if (found && replace) { |
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error.description = replace; |
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} |
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} |
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} |
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|
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function isBogus(error) { |
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var description = error.description; |
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for ( var i = 0; i < bogus.length; i++) { |
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if (description.indexOf(bogus[i]) !== -1) { |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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function parseErrors(errors, output) { |
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for ( var i = 0; i < errors.length; i++) { |
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var error = errors[i]; |
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if (error) { |
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var linetabpositions, index; |
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|
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linetabpositions = []; |
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|
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// This next block is to fix a problem in jshint. Jshint |
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// replaces |
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// all tabs with spaces then performs some checks. The error |
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// positions (character/space) are then reported incorrectly, |
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// not taking the replacement step into account. Here we look |
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// at the evidence line and try to adjust the character position |
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// to the correct value. |
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if (error.evidence) { |
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// Tab positions are computed once per line and cached |
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var tabpositions = linetabpositions[error.line]; |
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if (!tabpositions) { |
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var evidence = error.evidence; |
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tabpositions = []; |
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// ugggh phantomjs does not like this |
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// forEachChar(evidence, function(item, index) { |
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Array.prototype.forEach.call(evidence, function(item, |
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index) { |
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if (item === '\t') { |
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// First col is 1 (not 0) to match error |
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// positions |
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tabpositions.push(index + 1); |
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} |
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}); |
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linetabpositions[error.line] = tabpositions; |
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} |
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if (tabpositions.length > 0) { |
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var pos = error.character; |
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tabpositions.forEach(function(tabposition) { |
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if (pos > tabposition) pos -= 1; |
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}); |
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error.character = pos; |
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} |
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} |
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|
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var start = error.character - 1, end = start + 1; |
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if (error.evidence) { |
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index = error.evidence.substring(start).search(/.\b/); |
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if (index > -1) { |
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end += index; |
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} |
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} |
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|
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// Convert to format expected by validation service |
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error.description = error.reason;// + "(jshint)"; |
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error.start = error.character; |
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error.end = end; |
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error = cleanup(error); |
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|
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if (error) |
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output.push({message: error.description, |
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severity: error.severity, |
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from: CodeMirror.Pos(error.line - 1, start), |
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to: CodeMirror.Pos(error.line - 1, end)}); |
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} |
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} |
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} |
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}); |
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