Extract shared filters and aliasing code

appengine/swarming/elements/res/js/alias.js

Index: appengine/swarming/elements/res/js/alias.js
diff --git a/appengine/swarming/elements/res/js/alias.js b/appengine/swarming/elements/res/js/alias.js
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+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+this.swarming = this.swarming || {};
+this.swarming.alias = this.swarming.alias || (function(){
+  var ANDROID_ALIASES = {
+    "bullhead": "Nexus 5X",
+    "flo": "Nexus 7 (2013)",
+    "flounder": "Nexus 9",
+    "foster": "NVIDIA Shield",
+    "fugu": "Nexus Player",
+    "grouper": "Nexus 7 (2012)",
+    "hammerhead": "Nexus 5",
+    "m0": "Galaxy S3",
+    "mako": "Nexus 4",
+    "manta": "Nexus 10",
+    "shamu": "Nexus 6",
+    "sprout": "Android One",
+  };
+
+  var UNKNOWN = "unknown";
+
+  var GPU_ALIASES = {
+    "1002": "AMD",
+    "1002:6779": "AMD Radeon HD 6450/7450/8450",
+    "1002:6821": "AMD Radeon HD 8870M",
+    "1002:683d": "AMD Radeon HD 7770/8760",
+    "1002:9830": "AMD Radeon HD 8400",
+    "102b":      "Matrox",
+    "102b:0522": "Matrox MGA G200e",
+    "102b:0532": "Matrox MGA G200eW",
+    "102b:0534": "Matrox G200eR2",
+    "10de":      "NVIDIA",
+    "10de:08a4": "NVIDIA GeForce 320M",
+    "10de:08aa": "NVIDIA GeForce 320M",
+    "10de:0fe9": "NVIDIA GeForce GT 750M Mac Edition",
+    "10de:104a": "NVIDIA GeForce GT 610",
+    "10de:11c0": "NVIDIA GeForce GTX 660",
+    "10de:1244": "NVIDIA GeForce GTX 550 Ti",
+    "10de:1401": "NVIDIA GeForce GTX 960",
+    "8086":      "Intel",
+    "8086:0412": "Intel Haswell Integrated",
+    "8086:041a": "Intel Xeon Integrated",
+    "8086:0a2e": "Intel Haswell Integrated",
+    "8086:0d26": "Intel Crystal Well Integrated",
+    "8086:22b1": "Intel Braswell Integrated",
+  }
+
+  // For consistency, all aliases are displayed like:
+  // Nexus 5X (bullhead)
+  // This regex matches a string like "ALIAS (ORIG)", with ORIG as group 1.
+  var ALIAS_REGEXP = /.+ \((.*)\)/;
+
+  var alias = {};
+
+  alias.DIMENSIONS_WITH_ALIASES = ["device_type", "gpu"];
+
+  alias.android = function(dt) {
+    return ANDROID_ALIASES[dt] || UNKNOWN;
+  };
+
+  // alias.apply is the consistent way to modify a string to show its alias.
+  alias.apply = function(orig, alias) {
+    return alias +" ("+orig+")";
+  };
+
+  alias.gpu = function(gpu) {
+    return GPU_ALIASES[gpu] || UNKNOWN;
+  };
+
+  // alias.unapply will return the base dimension/state with its alias removed
+  // if it had one.  This is handy for sorting and filtering.
+  alias.unapply = function(str) {
+    var match = ALIAS_REGEXP.exec(str);
+    if (match) {
+      return match[1];
+    }
+    return str;
+  };
+
+  return alias;
+})();