Version 1

[yaffs-website] / node_modules / phantomjs-prebuilt / lib / phantomjs.js

diff --git a/node_modules/phantomjs-prebuilt/lib/phantomjs.js b/node_modules/phantomjs-prebuilt/lib/phantomjs.js
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+// Copyright 2013 The Obvious Corporation.
+
+/**
+ * @fileoverview Helpers made available via require('phantomjs') once package is
+ * installed.
+ */
+
+var fs = require('fs')
+var path = require('path')
+var spawn = require('child_process').spawn
+var Promise = require('es6-promise').Promise
+
+
+/**
+ * Where the phantom binary can be found.
+ * @type {string}
+ */
+try {
+  var location = require('./location')
+  exports.path = path.resolve(__dirname, location.location)
+  exports.platform = location.platform
+  exports.arch = location.arch
+} catch(e) {
+  // Must be running inside install script.
+  exports.path = null
+}
+
+
+/**
+ * The version of phantomjs installed by this package.
+ * @type {number}
+ */
+exports.version = '2.1.1'
+
+
+/**
+ * Returns a clean path that helps avoid `which` finding bin files installed
+ * by NPM for this repo.
+ * @param {string} path
+ * @return {string}
+ */
+exports.cleanPath = function (path) {
+  return path
+      .replace(/:[^:]*node_modules[^:]*/g, '')
+      .replace(/(^|:)\.\/bin(\:|$)/g, ':')
+      .replace(/^:+/, '')
+      .replace(/:+$/, '')
+}
+
+
+// Make sure the binary is executable.  For some reason doing this inside
+// install does not work correctly, likely due to some NPM step.
+if (exports.path) {
+  try {
+    // avoid touching the binary if it's already got the correct permissions
+    var st = fs.statSync(exports.path)
+    var mode = st.mode | parseInt('0555', 8)
+    if (mode !== st.mode) {
+      fs.chmodSync(exports.path, mode)
+    }
+  } catch (e) {
+    // Just ignore error if we don't have permission.
+    // We did our best. Likely because phantomjs was already installed.
+  }
+}
+
+/**
+ * Executes a script or just runs PhantomJS
+ */
+exports.exec = function () {
+  var args = Array.prototype.slice.call(arguments)
+  return spawn(exports.path, args)
+}
+
+/**
+ * Runs PhantomJS with provided options
+ * @example
+ * // handy with WebDriver
+ * phantomjs.run('--webdriver=4444').then(program => {
+ *   // do something
+ *   program.kill()
+ * })
+ * @returns {Promise} the process of PhantomJS
+ */
+exports.run = function () {
+  var args = arguments
+  return new Promise(function (resolve, reject) {
+    try {
+      var program = exports.exec.apply(null, args)
+      var isFirst = true
+      var stderr = ''
+      program.stdout.on('data', function () {
+        // This detects PhantomJS instance get ready.
+        if (!isFirst) return
+        isFirst = false
+        resolve(program)
+      })
+      program.stderr.on('data', function (data) {
+        stderr = stderr + data.toString('utf8')
+      })
+      program.on('error', function (err) {
+        if (!isFirst) return
+        isFirst = false
+        reject(err)
+      })
+      program.on('exit', function (code) {
+        if (!isFirst) return
+        isFirst = false
+        if (code == 0) {
+          // PhantomJS doesn't use exit codes correctly :(
+          if (stderr.indexOf('Error:') == 0) {
+            reject(new Error(stderr))
+          } else {
+            resolve(program)
+          }
+        } else {
+          reject(new Error('Exit code: ' + code))
+        }
+      })
+    } catch (err) {
+      reject(err)
+    }
+  })
+}