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56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
const _ = require('lodash')
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const path = require('path')
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const micromatch = require('micromatch')
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class GlobPattern {
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constructor ({ include, exclude, extensions }) {
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this.includeList = (include && include.length > 0) ? include : ['**/**']
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this.excludeList = exclude || []
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this.includeFolders = _.uniq(_.flatMap(this.includeList, this.subFolders))
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this.directoryExcludeList = this.excludeList.concat(['**/@eaDir/**', '#recycle/**'])
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this.extensions = extPattern(extensions)
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}
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match (filePath) {
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const opts = { nocase: true }
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return micromatch.any(filePath, this.includeList, opts) &&
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micromatch.any(filePath, this.excludeList, opts) === false &&
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micromatch.isMatch(filePath, this.extensions, opts)
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}
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// this is used to cull folders early
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// instead of traversing them but discard all their files later
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canTraverse (folderPath) {
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const opts = { dot: false, nocase: true }
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const withSlash = `${folderPath}/`
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return micromatch.any(withSlash, this.includeFolders, opts) &&
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micromatch.any(withSlash, this.directoryExcludeList, opts) === false
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}
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// returns the list of all folder names in a path
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// so they can be included in traversal
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subFolders (filepath) {
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// keep the required path if it allows traversal (thing/ or thing/**)
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const list = filepath.match(/(\/$)|(\*\*$)/) ? [filepath] : []
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// then find all parent folders
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let dir = path.dirname(filepath)
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while (dir !== '.' && dir !== '/') {
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list.push(dir + '/')
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dir = path.dirname(dir)
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}
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return list
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}
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}
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function extPattern (extensions) {
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if (extensions.length === 0) {
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return '**/*'
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} else if (extensions.length === 1) {
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return '**/*.' + extensions[0]
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} else {
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return '**/*.{' + extensions.join(',') + '}'
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}
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}
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module.exports = GlobPattern
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