atom/src/scan-handler.coffee at master · githubhjs/atom · GitHub

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_ = require "underscore-plus"

path = require "path"

async = require "async"

{PathSearcher, PathScanner, search} = require 'scandal'

module.exports = (rootPaths, regexSource, options) ->

callback = @async()

rootPath = rootPaths[0]

PATHS_COUNTER_SEARCHED_CHUNK = 50

pathsSearched = 0

searcher = new PathSearcher()

searcher.on 'file-error', ({code, path, message}) ->

emit('scan:file-error', {code, path, message})

searcher.on 'results-found', (result) ->

emit('scan:result-found', result)

flags = "g"

flags += "i" if options.ignoreCase

regex = new RegExp(regexSource, flags)

async.each(

rootPaths,

(rootPath, next) ->

options2 = _.extend {}, options,

inclusions: processPaths(rootPath, options.inclusions)

globalExclusions: processPaths(rootPath, options.globalExclusions)

scanner = new PathScanner(rootPath, options2)

scanner.on 'path-found', ->

pathsSearched++

if pathsSearched % PATHS_COUNTER_SEARCHED_CHUNK is 0

emit('scan:paths-searched', pathsSearched)

search regex, scanner, searcher, ->

emit('scan:paths-searched', pathsSearched)

next()

callback

)

processPaths = (rootPath, paths) ->

return paths unless paths?.length > 0

rootPathBase = path.basename(rootPath)

results = []

for givenPath in paths

segments = givenPath.split(path.sep)

firstSegment = segments.shift()

results.push(givenPath)

if firstSegment is rootPathBase

if segments.length is 0

results.push(path.join("**", "*"))

else

results.push(path.join(segments...))

results

atom/src/scan-handler.coffee at master · githubhjs/atom · GitHub

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