1 | var fs = require('graceful-fs')
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2 | var path = require('path')
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3 |
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4 | var helper = require('./helper')
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5 | var log = require('./logger').create('plugin')
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6 |
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7 | var IGNORED_PACKAGES = ['karma-cli', 'karma-runner.github.com']
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8 |
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9 | exports.resolve = function (plugins, emitter) {
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10 | var modules = []
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11 |
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12 | var requirePlugin = function (name) {
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13 | log.debug('Loading plugin %s.', name)
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14 | try {
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15 | modules.push(require(name))
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16 | } catch (e) {
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17 | if (e.code === 'MODULE_NOT_FOUND' && e.message.indexOf(name) !== -1) {
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18 | log.error('Cannot find plugin "%s".\n Did you forget to install it?\n' +
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19 | ' npm install %s --save-dev', name, name)
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20 | } else {
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21 | log.error('Error during loading "%s" plugin:\n %s', name, e.message)
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22 | }
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23 | emitter.emit('load_error', 'plug_in', name)
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24 | }
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25 | }
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26 |
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27 | plugins.forEach(function (plugin) {
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28 | if (helper.isString(plugin)) {
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29 | if (plugin.indexOf('*') === -1) {
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30 | requirePlugin(plugin)
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31 | return
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32 | }
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33 | var pluginDirectory = path.normalize(path.join(__dirname, '/../..'))
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34 | var regexp = new RegExp('^' + plugin.replace('*', '.*'))
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35 |
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36 | log.debug('Loading %s from %s', plugin, pluginDirectory)
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37 | fs.readdirSync(pluginDirectory).filter(function (pluginName) {
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38 | return IGNORED_PACKAGES.indexOf(pluginName) === -1 && regexp.test(pluginName)
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39 | }).forEach(function (pluginName) {
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40 | requirePlugin(pluginDirectory + '/' + pluginName)
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41 | })
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42 | return
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43 | }
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44 | if (helper.isObject(plugin)) {
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45 | log.debug('Loading inlined plugin (defining %s).', Object.keys(plugin).join(', '))
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46 | modules.push(plugin)
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47 | return
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48 | }
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49 | log.error('Invalid plugin %s', plugin)
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50 | emitter.emit('load_error', 'plug_in', plugin)
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51 | })
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52 |
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53 | return modules
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54 | }
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