1 | 'use strict'
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2 | exports.__esModule = true
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3 |
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4 | const extname = require('path').extname
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5 |
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6 | const log = require('debug')('eslint-plugin-import:utils:ignore')
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7 |
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8 |
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9 | let cachedSet, lastSettings
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10 | function validExtensions(context) {
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11 | if (cachedSet && context.settings === lastSettings) {
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12 | return cachedSet
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13 | }
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14 |
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15 | lastSettings = context.settings
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16 | cachedSet = makeValidExtensionSet(context.settings)
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17 | return cachedSet
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18 | }
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19 |
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20 | function makeValidExtensionSet(settings) {
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21 |
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22 | const exts = new Set(settings['import/extensions'] || [ '.js' ])
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23 |
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24 |
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25 | if ('import/parsers' in settings) {
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26 | for (let parser in settings['import/parsers']) {
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27 | const parserSettings = settings['import/parsers'][parser]
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28 | if (!Array.isArray(parserSettings)) {
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29 | throw new TypeError('"settings" for ' + parser + ' must be an array')
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30 | }
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31 | parserSettings.forEach(ext => exts.add(ext))
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32 | }
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33 | }
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34 |
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35 | return exts
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36 | }
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37 | exports.getFileExtensions = makeValidExtensionSet
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38 |
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39 | exports.default = function ignore(path, context) {
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40 |
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41 | if (!hasValidExtension(path, context)) return true
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42 |
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43 | if (!('import/ignore' in context.settings)) return false
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44 | const ignoreStrings = context.settings['import/ignore']
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45 |
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46 | for (let i = 0; i < ignoreStrings.length; i++) {
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47 | const regex = new RegExp(ignoreStrings[i])
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48 | if (regex.test(path)) {
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49 | log(`ignoring ${path}, matched pattern /${ignoreStrings[i]}/`)
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50 | return true
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51 | }
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52 | }
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53 |
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54 | return false
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55 | }
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56 |
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57 | function hasValidExtension(path, context) {
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58 | return validExtensions(context).has(extname(path))
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59 | }
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60 | exports.hasValidExtension = hasValidExtension
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