1 | 'use strict';
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2 |
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3 | var map = require('map-stream'),
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4 | PluginError = require('gulp-util').PluginError,
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5 | eslint = require('eslint').linter,
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6 | util = require('./util');
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7 |
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8 |
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9 |
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10 |
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11 | function gulpEslint(options) {
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12 | var configHelper = util.readOptions(options);
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13 |
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14 | function verify(filePath, contents) {
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15 | var config = configHelper.getConfig(filePath);
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16 |
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17 |
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18 |
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19 | return {
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20 | config: config,
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21 | filePath: filePath,
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22 | messages: gulpEslint.linter.verify(contents.replace(/^#![^\r\n]+[\r\n]/, ""), config, false)
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23 | };
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24 | }
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25 |
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26 | return map(function (file, output) {
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27 |
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28 | if (util.checkForExclusion(file, configHelper)) {
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29 | output(null, file);
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30 |
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31 | } else if (file.isStream()) {
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32 |
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33 |
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34 | file.contents = file.contents.pipe(util.wait(function (contents) {
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35 | file.eslint = verify(file.path, contents);
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36 | output(null, file);
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37 | }));
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38 |
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39 | } else {
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40 | file.eslint = verify(file.path, file.contents.toString('utf8'));
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41 | output(null, file);
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42 |
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43 | }
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44 | });
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45 |
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46 | }
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47 |
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48 |
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49 |
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50 |
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51 | gulpEslint.failOnError = function () {
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52 |
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53 | return map(function (file, output) {
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54 | var messages = file.eslint && file.eslint.messages || [],
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55 | config = file.eslint && file.eslint.config || {},
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56 | error = null;
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57 |
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58 | messages.some(function (message) {
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59 | var level = message.fatal ? 2 : config.rules[message.ruleId];
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60 | if (Array.isArray(level)) {
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61 | level = level[0];
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62 | }
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63 | if (level > 1) {
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64 | error = new PluginError(
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65 | 'gulp-eslint',
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66 | {
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67 | name:'ESLintError',
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68 | fileName:file.path,
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69 | message: message.message,
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70 | lineNumber: message.line
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71 | }
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72 | );
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73 | return true;
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74 | }
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75 | });
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76 |
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77 | return output(error, file);
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78 | });
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79 | };
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80 |
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81 |
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82 |
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83 |
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84 | gulpEslint.format = function (formatter, writable) {
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85 | var results = [];
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86 | formatter = util.resolveFormatter(formatter);
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87 | writable = util.resolveWritable(writable);
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88 |
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89 | return map(function (file, output) {
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90 | if (file.eslint) {
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91 | results.push(file.eslint);
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92 | }
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93 | output(null, file);
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94 |
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95 | }).once('end', function () {
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96 |
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97 | if (results.length) {
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98 | util.writeResults(results, formatter, writable);
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99 | }
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100 |
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101 | results = [];
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102 | });
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103 | };
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104 |
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105 |
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106 |
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107 |
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108 | gulpEslint.formatEach = function (formatter, writable) {
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109 | formatter = util.resolveFormatter(formatter);
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110 | writable = util.resolveWritable(writable);
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111 |
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112 | return map(function (file, output) {
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113 | var error = null;
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114 | if (file.eslint) {
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115 | try {
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116 | util.writeResults([file.eslint], formatter, writable);
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117 | } catch (err) {
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118 | error = new PluginError('gulp-eslint', err);
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119 | }
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120 | }
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121 | output(error, file);
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122 | });
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123 | };
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124 |
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125 |
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126 | gulpEslint.linter = eslint;
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127 |
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128 | module.exports = gulpEslint;
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