file.coffee -> file.js

Author: Wliu

lib/file.coffee

@@ -0,0 +1,90 @@
+const path = require('path')
+const fs = require('fs-plus')
+const {CompositeDisposable, Emitter} = require('atom')
+const {repoForPath} = require('./helpers')
+
+module.exports =
+class File {
+  constructor({name, fullPath, symlink, realpathCache, useSyncFS, stats}) {
+    this.name = name
+    this.symlink = symlink
+    this.stats = stats
+    this.destroyed = false
+    this.emitter = new Emitter()
+    this.subscriptions = new CompositeDisposable()
+
+    this.path = fullPath
+    this.realPath = this.path
+
+    this.subscribeToRepo()
+    this.updateStatus()
+
+    if (useSyncFS) {
+      this.realPath = fs.realpathSync(this.path)
+    } else {
+      fs.realpath(this.path, realpathCache, (error, realPath) => {
+        if (this.destroyed) return
+        if (realPath && realPath !== this.path) {
+          this.realPath = realPath
+          this.updateStatus()
+        }
+      })
+    }
+  }
+
+  destroy() {
+    this.destroyed = true
+    this.subscriptions.dispose()
+    this.emitter.emit('did-destroy')
+  }
+
+  onDidDestroy(callback) {
+    return this.emitter.on('did-destroy', callback)
+  }
+
+  onDidStatusChange(callback) {
+    return this.emitter.on('did-status-change', callback)
+  }
+
+  // Subscribe to the project's repo for changes to the Git status of this file.
+  subscribeToRepo() {
+    const repo = repoForPath(this.path)
+    if (repo == null) return
+
+    this.subscriptions.add(repo.onDidChangeStatus(event => {
+      if (this.isPathEqual(event.path)) {
+        this.updateStatus(repo)
+      }
+    }))
+    this.subscriptions.add(repo.onDidChangeStatuses(() => {
+      this.updateStatus(repo)
+    }))
+  }
+
+  // Update the status property of this directory using the repo.
+  updateStatus() {
+    const repo = repoForPath(this.path)
+    if (repo == null) return
+
+    let newStatus = null
+    if (repo.isPathIgnored(this.path)) {
+      newStatus = 'ignored'
+    } else {
+      const status = repo.getCachedPathStatus(this.path)
+      if (repo.isStatusModified(status)) {
+        newStatus = 'modified'
+      } else if (repo.isStatusNew(status)) {
+        newStatus = 'added'
+      }
+    }
+
+    if (newStatus !== this.status) {
+      this.status = newStatus
+      this.emitter.emit('did-status-change', newStatus)
+    }
+  }
+
+  isPathEqual(pathToCompare) {
+    return this.path === pathToCompare || this.realPath === pathToCompare
+  }
+}