Cleanup custom Underscore.js

README.md

@@ -52,10 +52,11 @@ This fork has the following changes:
 * Ongoing removal of jQuery and Underscore.js dependencies (things are native these days)
 
 ### slim jQuery and Underscore.js
-js: 1.14.0 = 7960367 / native = 5127981 bytes
-js/min: 1.14.0 = 1766594 / native = 1405850 bytes
+js: 1.14.0 = 7960367 / native = 5131640 bytes
 
-360.744 bytes is nut much, but it already feels faster.
+js/min: 1.14.0 = 1766594 / native = 1405919 bytes
+
+360.675 bytes is not much, but it feels faster.
 
 ### PHP73 branch
 

vendors/underscore/underscore-min.custom.js

@@ -3,4 +3,4 @@
 //     (c) 2009-2018 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 //     Underscore may be freely distributed under the MIT license.
 
-(()=>{var e=function(t){return t instanceof e?t:this instanceof e?void 0:new e(t)};"undefined"==typeof exports||exports.nodeType?("object"==typeof self&&self.self===self&&self||"object"==typeof global&&global.global===global&&global||this||{})._=e:("undefined"!=typeof module&&!module.nodeType&&module.exports&&(exports=module.exports=e),exports._=e);e.VERSION="1.9.2";var t=function(e,t,n,o,l){if(!(o instanceof t))return e.apply(n,l);var r,u="object"!=typeof(r=e.prototype)?{}:Object.create(r),i=e.apply(u,l);return"object"==typeof i?i:u};e.defer=(()=>{var e=(e,t,...n)=>setTimeout(()=>e.apply(null,n),t),n=function(...o){for(var l=0,r=[o[l++],1];l<o.length;)r.push(o[l++]);return t(e,n,this,this,r)};return n})(),e.throttle=function(e,t,n){var o,l,r,u,i=0;n||(n={});var a=function(){i=!1===n.leading?0:Date.now(),o=null,u=e.apply(l,r),o||(l=r=null)},f=function(){var f=Date.now();i||!1!==n.leading||(i=f);var p=t-(f-i);return l=this,r=arguments,p<=0||p>t?(o&&(clearTimeout(o),o=null),i=f,u=e.apply(l,r),o||(l=r=null)):o||!1===n.trailing||(o=setTimeout(a,p)),u};return f.cancel=function(){clearTimeout(o),i=0,o=l=r=null},f},e.debounce=function(e,t,n){var o,l,r=function(t,n){o=null,n&&(l=e.apply(t,n))},u=function(...u){if(o&&clearTimeout(o),n){var i=!o;o=setTimeout(r,t),i&&(l=e.apply(this,u))}else{var a=this;o=setTimeout(()=>r.apply(null,[a,u]),t)}return l};return u.cancel=function(){clearTimeout(o),o=null},u},"function"==typeof define&&define.amd&&define("underscore",[],function(){return e})})();
+(()=>{var e=function(){};("object"==typeof self&&self.self===self&&self||{})._=e;e.defer=(()=>{var e=(e,t,...l)=>setTimeout(()=>e.apply(null,l),t),t=function(...l){for(var n=1,r=[l[0],1];n<l.length;)r.push(l[n++]);return function(e,t,l,n,r){if(!(n instanceof t))return e.apply(l,r);var u=e.prototype,a="object"!=typeof u?{}:Object.create(u),o=e.apply(a,r);return"object"==typeof o?o:a}(e,t,this,this,r)};return t})(),e.throttle=function(e,t,l){l||(l={});var n,r,u,a,o=0,i=function(){o=!1===l.leading?0:Date.now(),n=null,a=e.apply(r,u),n||(r=u=null)},c=(...u)=>{var c=Date.now();o||!1!==l.leading||(o=c);var p=t-(c-o);return r=this,p<=0||p>t?(n&&(clearTimeout(n),n=null),o=c,a=e.apply(r,u),n||(r=u=null)):n||!1===l.trailing||(n=setTimeout(i,p)),a};return c.cancel=(()=>{clearTimeout(n),o=0,n=r=u=null}),c},e.debounce=function(e,t,l){var n,r,u=(t,l)=>{n=null,l&&(r=e.apply(t,l))},a=function(...a){if(n&&clearTimeout(n),l){var o=!n;n=setTimeout(u,t),o&&(r=e.apply(this,a))}else{var i=this;n=setTimeout(()=>u.apply(null,[i,a]),t)}return r};return a.cancel=(()=>{clearTimeout(n),n=null}),a}})();

vendors/underscore/underscore.custom.js

@@ -14,40 +14,11 @@ _.throttle
   // --------------
 
   // Create a safe reference to the Underscore object for use below.
-  var _ = function(obj) {
-    if (obj instanceof _) return obj;
-    if (!(this instanceof _)) return new _(obj);
-  };
+  var _ = function() { };
 
-  // Export the Underscore object for **Node.js**, with
-  // backwards-compatibility for their old module API. If we're in
-  // the browser, add `_` as a global object.
-  // (`nodeType` is checked to ensure that `module`
-  // and `exports` are not HTML elements.)
-  if (typeof exports != 'undefined' && !exports.nodeType) {
-    if (typeof module != 'undefined' && !module.nodeType && module.exports) {
-      exports = module.exports = _;
-    }
-    exports._ = _;
-  } else {
-    // Establish the root object, `window` (`self`) in the browser, `global`
-    // on the server, or `this` in some virtual machines. We use `self`
-    // instead of `window` for `WebWorker` support.
-    var root = typeof self == 'object' && self.self === self && self ||
-            typeof global == 'object' && global.global === global && global ||
-            this ||
-            {};
-    root._ = _;
-  }
-
-  // Current version.
-  _.VERSION = '1.9.2';
-
-  // An internal function for creating a new object that inherits from another.
-  var baseCreate = function(prototype) {
-    if (typeof prototype !== 'object') return {};
-    return Object.create(prototype);
-  };
+  // Establish the root object, `window` (`self`) in the browser.
+  // We use `self`instead of `window` for `WebWorker` support.
+  (typeof self == 'object' && self.self === self && self || {})._ = _;
 
   // Function (ahem) Functions
   // ------------------
@@ -56,19 +27,20 @@ _.throttle
   // or a normal function with the provided arguments.
   var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {
     if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
-    var self = baseCreate(sourceFunc.prototype);
-    var result = sourceFunc.apply(self, args);
+    var fp = sourceFunc.prototype,
+      self = (typeof fp !== 'object') ? {} : Object.create(fp),
+      result = sourceFunc.apply(self, args);
     return (typeof result === 'object') ? result : self;
   };
 
   // Defers a function, scheduling it to run after the current call stack has
   // cleared.
   _.defer = (() => {
-	var func = (func, wait, ...args) => setTimeout(() => func.apply(null, args), wait);
-    var bound = function(...params) {
-      var position = 0;
-      var args = [params[position++], 1];
-      while (position < params.length) args.push(params[position++]);
+    var func = (func, wait, ...args) => setTimeout(() => func.apply(null, args), wait),
+      bound = function(...params) {
+        var pos = 1,
+          args = [params[0], 1];
+        while (pos < params.length) args.push(params[pos++]);
         return executeBound(func, bound, this, this, args);
       };
     return bound;
@@ -80,23 +52,20 @@ _.throttle
   // but if you'd like to disable the execution on the leading edge, pass
   // `{leading: false}`. To disable execution on the trailing edge, ditto.
   _.throttle = function(func, wait, options) {
-    var timeout, context, args, result;
-    var previous = 0;
     if (!options) options = {};
-
-    var later = function() {
+    var timeout, context, args, result,
+      previous = 0,
+      later = function() {
         previous = options.leading === false ? 0 : Date.now();
         timeout = null;
         result = func.apply(context, args);
         if (!timeout) context = args = null;
-    };
-
-    var throttled = function() {
+      },
+      throttle = (...args) => {
         var now = Date.now();
         if (!previous && options.leading === false) previous = now;
         var remaining = wait - (now - previous);
         context = this;
-      args = arguments;
         if (remaining <= 0 || remaining > wait) {
           if (timeout) {
             clearTimeout(timeout);
@@ -111,13 +80,13 @@ _.throttle
         return result;
       };
 
-    throttled.cancel = function() {
+    throttle.cancel = () => {
       clearTimeout(timeout);
       previous = 0;
       timeout = context = args = null;
     };
 
-    return throttled;
+    return throttle;
   };
 
   // Returns a function, that, as long as it continues to be invoked, will not
@@ -125,14 +94,12 @@ _.throttle
   // N milliseconds. If `immediate` is passed, trigger the function on the
   // leading edge, instead of the trailing.
   _.debounce = function(func, wait, immediate) {
-    var timeout, result;
-
-    var later = function(context, args) {
+    var timeout, result,
+      later = (context, args) => {
         timeout = null;
         if (args) result = func.apply(context, args);
-    };
-
-    var debounced = function(...args) {
+      },
+      debounce = function(...args) {
         if (timeout) clearTimeout(timeout);
         if (immediate) {
           var callNow = !timeout;
@@ -146,24 +113,12 @@ _.throttle
         return result;
       };
 
-    debounced.cancel = function() {
+    debounce.cancel = () => {
       clearTimeout(timeout);
       timeout = null;
     };
 
-    return debounced;
+    return debounce;
   };
 
-  // AMD registration happens at the end for compatibility with AMD loaders
-  // that may not enforce next-turn semantics on modules. Even though general
-  // practice for AMD registration is to be anonymous, underscore registers
-  // as a named module because, like jQuery, it is a base library that is
-  // popular enough to be bundled in a third party lib, but not be part of
-  // an AMD load request. Those cases could generate an error when an
-  // anonymous define() is called outside of a loader request.
-  if (typeof define == 'function' && define.amd) {
-    define('underscore', [], function() {
-      return _;
-    });
-  }
 })();