formdata-polyfill - npm Package Compare versions

Comparing version 3.0.15 to 3.0.17

FormData.js

@@ -1,5 +0,8 @@
-if (typeof FormData === 'undefined' || !FormData.prototype.keys) {
+/* global FormData self Blob File */
+/* eslint-disable no-inner-declarations */
+
+if (typeof Blob === 'function' && (typeof FormData === 'undefined' || !FormData.prototype.keys)) {
   const global = typeof window === 'object'
-    ? window : typeof self === 'object'
-    ? self : this
+    ? window
+    : typeof self === 'object' ? self : this
 
@@ -12,2 +15,3 @@ // keep a reference to native implementation
   const _fetch = global.Request && global.fetch
+  const _sendBeacon = global.navigator && global.navigator.sendBeacon
 
@@ -20,5 +24,2 @@ // Unable to patch Request constructor correctly
   const stringTag = global.Symbol && Symbol.toStringTag
-  const map = new WeakMap
-  const wm = o => map.get(o)
-  const arrayFrom = Array.from || (obj => [].slice.call(obj))
 
@@ -38,7 +39,7 @@ // Add missing stringTags to blob and files
   try {
-    new File([], '')
+    new File([], '') // eslint-disable-line
   } catch (a) {
-    global.File = function(b, d, c) {
+    global.File = function File (b, d, c) {
       const blob = new Blob(b, c)
-      const t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date
+      const t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date()
 
@@ -56,3 +57,3 @@ Object.defineProperties(blob, {
         toString: {
-          value() {
+          value () {
             return '[object File]'
@@ -73,4 +74,4 @@ }
 
-  function normalizeValue([value, filename]) {
-    if (value instanceof Blob)
+  function normalizeValue ([value, filename]) {
+    if (value instanceof Blob) {
       // Should always returns a new File instance
@@ -82,2 +83,3 @@ // console.assert(fd.get(x) !== fd.get(x))
       })
+    }
 
@@ -87,18 +89,12 @@ return value
 
-  function stringify(name) {
-    if (!arguments.length)
-      throw new TypeError('1 argument required, but only 0 present.')
-
-    return [name + '']
+  function ensureArgs (args, expected) {
+    if (args.length < expected) {
+      throw new TypeError(`${expected} argument required, but only ${args.length} present.`)
+    }
   }
 
-  function normalizeArgs(name, value, filename) {
-    if (arguments.length < 2)
-      throw new TypeError(
-        `2 arguments required, but only ${arguments.length} present.`
-      )
-
+  function normalizeArgs (name, value, filename) {
     return value instanceof Blob
       // normalize name and filename if adding an attachment
-      ? [name + '', value, filename !== undefined
+      ? [String(name), value, filename !== undefined
         ? filename + '' // Cast filename to string if 3th arg isn't undefined
@@ -110,3 +106,3 @@ : typeof value.name === 'string' // if name prop exist
       // If no attachment, just cast the args to strings
-      : [name + '', value + '']
+      : [String(name), String(value)]
   }
@@ -116,7 +112,4 @@
   // https://html.spec.whatwg.org/multipage/form-elements.html#textarea-line-break-normalisation-transformation
-  function normalizeLinefeeds(value) {
-    if (typeof value === "string") {
-      value = value.replace(/\r\n/g, "\n").replace(/\n/g, "\r\n")
-    }
-    return value
+  function normalizeLinefeeds (value) {
+    return value.replace(/\r\n/g, '\n').replace(/\n/g, '\r\n')
   }
@@ -134,3 +127,2 @@
   class FormDataPolyfill {
-
     /**
@@ -141,7 +133,6 @@ * FormData class
      */
-    constructor(form) {
-      map.set(this, Object.create(null))
+    constructor (form) {
+      this._data = Object.create(null)
 
-      if (!form)
-        return this
+      if (!form) return this
 
@@ -154,3 +145,7 @@ const self = this
         if (elm.type === 'file') {
-          each(elm.files || [], file => {
+          const files = elm.files && elm.files.length
+            ? elm.files
+            : [new File([], '', { type: 'application/octet-stream' })] // #78
+
+          each(files, file => {
             self.append(elm.name, file)
@@ -171,16 +166,16 @@ })
 
-
     /**
      * Append a field
      *
-     * @param   {String}           name      field name
-     * @param   {String|Blob|File} value     string / blob / file
-     * @param   {String=}          filename  filename to use with blob
-     * @return  {Undefined}
+     * @param   {string}           name      field name
+     * @param   {string|Blob|File} value     string / blob / file
+     * @param   {string=}          filename  filename to use with blob
+     * @return  {undefined}
      */
-    append(name, value, filename) {
-      const map = wm(this)
+    append (name, value, filename) {
+      ensureArgs(arguments, 2)
+      ;[name, value, filename] = normalizeArgs.apply(null, arguments)
+      const map = this._data
 
-      if (!map[name])
-        map[name] = []
+      if (!map[name]) map[name] = []
 
@@ -190,14 +185,13 @@ map[name].push([value, filename])
 
-
     /**
      * Delete all fields values given name
      *
-     * @param   {String}  name  Field name
-     * @return  {Undefined}
+     * @param   {string}  name  Field name
+     * @return  {undefined}
      */
-    delete(name) {
-      delete wm(this)[name]
+    delete (name) {
+      ensureArgs(arguments, 1)
+      delete this._data[String(name)]
     }
 
-
     /**
@@ -208,8 +202,10 @@ * Iterate over all fields as [name, value]
      */
-    *entries() {
-      const map = wm(this)
+    * entries () {
+      const map = this._data
 
-      for (let name in map)
-        for (let value of map[name])
+      for (let name in map) {
+        for (let value of map[name]) {
           yield [name, normalizeValue(value)]
+        }
+      }
     }
@@ -222,10 +218,11 @@
      * @param   {Object=}   thisArg   `this` context for callback function
-     * @return  {Undefined}
+     * @return  {undefined}
      */
-    forEach(callback, thisArg) {
-      for (let [name, value] of this)
+    forEach (callback, thisArg) {
+      ensureArgs(arguments, 1)
+      for (let [name, value] of this) {
         callback.call(thisArg, value, name, this)
+      }
     }
 
-
     /**
@@ -235,33 +232,34 @@ * Return first field value given name
      *
-     * @param   {String}  name      Field name
-     * @return  {String|File|null}  value Fields value
+     * @param   {string}  name      Field name
+     * @return  {string|File|null}  value Fields value
      */
-    get(name) {
-      const map = wm(this)
+    get (name) {
+      ensureArgs(arguments, 1)
+      const map = this._data
+      name = String(name)
       return map[name] ? normalizeValue(map[name][0]) : null
     }
 
-
     /**
      * Return all fields values given name
      *
-     * @param   {String}  name  Fields name
+     * @param   {string}  name  Fields name
      * @return  {Array}         [{String|File}]
      */
-    getAll(name) {
-      return (wm(this)[name] || []).map(normalizeValue)
+    getAll (name) {
+      ensureArgs(arguments, 1)
+      return (this._data[String(name)] || []).map(normalizeValue)
     }
 
-
     /**
      * Check for field name existence
      *
-     * @param   {String}   name  Field name
+     * @param   {string}   name  Field name
      * @return  {boolean}
      */
-    has(name) {
-      return name in wm(this)
+    has (name) {
+      ensureArgs(arguments, 1)
+      return String(name) in this._data
     }
 
-
     /**
@@ -272,21 +270,22 @@ * Iterate over all fields name
      */
-    *keys() {
-      for (let [name] of this)
+    * keys () {
+      for (let [name] of this) {
         yield name
+      }
     }
 
-
     /**
      * Overwrite all values given name
      *
-     * @param   {String}    name      Filed name
-     * @param   {String}    value     Field value
-     * @param   {String=}   filename  Filename (optional)
-     * @return  {Undefined}
+     * @param   {string}    name      Filed name
+     * @param   {string}    value     Field value
+     * @param   {string=}   filename  Filename (optional)
+     * @return  {undefined}
      */
-    set(name, value, filename) {
-      wm(this)[name] = [[value, filename]]
+    set (name, value, filename) {
+      ensureArgs(arguments, 2)
+      const args = normalizeArgs.apply(null, arguments)
+      this._data[args[0]] = [[args[1], args[2]]]
     }
 
-
     /**
@@ -297,8 +296,8 @@ * Iterate over all fields
      */
-    *values() {
-      for (let [name, value] of this)
+    * values () {
+      for (let [, value] of this) {
         yield value
+      }
     }
 
-
     /**
@@ -310,7 +309,8 @@ * Return a native (perhaps degraded) FormData with only a `append` method
      */
-    ['_asNative']() {
-      const fd = new _FormData
+    ['_asNative'] () {
+      const fd = new _FormData()
 
-      for (let [name, value] of this)
+      for (let [name, value] of this) {
         fd.append(name, value)
+      }
 
@@ -320,3 +320,2 @@ return fd
 
-
     /**
@@ -327,3 +326,3 @@ * [_blob description]
      */
-    ['_blob']() {
+    ['_blob'] () {
       const boundary = '----formdata-polyfill-' + Math.random()
@@ -351,6 +350,7 @@ const chunks = []
 
-      return new Blob(chunks, {type: 'multipart/form-data; boundary=' + boundary})
+      return new Blob(chunks, {
+        type: 'multipart/form-data; boundary=' + boundary
+      })
     }
 
-
     /**
@@ -362,13 +362,12 @@ * The class itself is iterable
      */
-    [Symbol.iterator]() {
+    [Symbol.iterator] () {
       return this.entries()
     }
 
-
     /**
      * Create the default string description.
      *
-     * @return  {String} [object FormData]
+     * @return  {string} [object FormData]
      */
-    toString() {
+    toString () {
       return '[object FormData]'
@@ -378,3 +377,2 @@ }
 
-
   if (stringTag) {
@@ -384,4 +382,2 @@ /**
      * It is accessed internally by the Object.prototype.toString().
-     *
-     * @return {String} FormData
      */
@@ -391,21 +387,10 @@ FormDataPolyfill.prototype[stringTag] = 'FormData'
 
-  const decorations = [
-    ['append', normalizeArgs],
-    ['delete', stringify],
-    ['get',    stringify],
-    ['getAll', stringify],
-    ['has',    stringify],
-    ['set',    normalizeArgs]
-  ]
-
-  decorations.forEach(arr => {
-    const orig = FormDataPolyfill.prototype[arr[0]]
-    FormDataPolyfill.prototype[arr[0]] = function() {
-      return orig.apply(this, arr[1].apply(this, arrayFrom(arguments)))
-    }
-  })
-
   // Patch xhr's send method to call _blob transparently
   if (_send) {
-    XMLHttpRequest.prototype.send = function(data) {
+    /**
+     * @param {ArrayBuffer|ArrayBufferView|Blob|Document|FormData|string=} data
+     * @return {undefined}
+     * @see http://www.w3.org/TR/XMLHttpRequest/#the-send()-method
+     */
+    global.XMLHttpRequest.prototype.send = function (data) {
       // I would check if Content-Type isn't already set
@@ -428,3 +413,3 @@ // But xhr lacks getRequestHeaders functionallity
 
-    global.fetch = function(input, init) {
+    global.fetch = function (input, init) {
       if (init && init.body && init.body instanceof FormDataPolyfill) {
@@ -434,7 +419,17 @@ init.body = init.body['_blob']()
 
-      return _fetch(input, init)
+      return _fetch.call(this, input, init)
     }
   }
 
+  // Patch navigator.sendBeacon to use native FormData
+  if (_sendBeacon) {
+    global.navigator.sendBeacon = function (url, data) {
+      if (data instanceof FormDataPolyfill) {
+        data = data['_asNative']()
+      }
+      return _sendBeacon.call(this, url, data)
+    }
+  }
+
   global['FormData'] = FormDataPolyfill
 }

formdata.min.js

@@ -1,17 +0,17 @@
-;(function(){var k;function l(a){var b=0;return function(){return b<a.length?{done:!1,value:a[b++]}:{done:!0}}}var m="function"==typeof Object.defineProperties?Object.defineProperty:function(a,b,d){a!=Array.prototype&&a!=Object.prototype&&(a[b]=d.value)},n="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global&&null!=global?global:this;function p(){p=function(){};n.Symbol||(n.Symbol=r)}var r=function(){var a=0;return function(b){return"jscomp_symbol_"+(b||"")+a++}}();
+;(function(){var k;function l(a){var b=0;return function(){return b<a.length?{done:!1,value:a[b++]}:{done:!0}}}var m="function"==typeof Object.defineProperties?Object.defineProperty:function(a,b,e){a!=Array.prototype&&a!=Object.prototype&&(a[b]=e.value)},n="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global&&null!=global?global:this;function p(){p=function(){};n.Symbol||(n.Symbol=r)}var r=function(){var a=0;return function(b){return"jscomp_symbol_"+(b||"")+a++}}();
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-if("function"==typeof Object.setPrototypeOf)y=Object.setPrototypeOf;else{var z;a:{var A={o:!0},B={};try{B.__proto__=A;z=B.o;break a}catch(a){}z=!1}y=z?function(a,b){a.__proto__=b;if(a.__proto__!==b)throw new TypeError(a+" is not extensible");return a}:null}var C=y;function D(){this.g=!1;this.c=null;this.m=void 0;this.b=1;this.l=this.s=0;this.f=null}function E(a){if(a.g)throw new TypeError("Generator is already running");a.g=!0}D.prototype.h=function(a){this.m=a};
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+function K(a,b){E(a.a);var e=a.a.c;if(e)return I(a,"return"in e?e["return"]:function(a){return{value:a,done:!0}},b,a.a["return"]);a.a["return"](b);return J(a)}H.prototype.j=function(a){E(this.a);if(this.a.c)return I(this,this.a.c["throw"],a,this.a.i);this.a.j(a);return J(this)};
+function I(a,b,e,c){try{var d=b.call(a.a.c,e);if(!(d instanceof Object))throw new TypeError("Iterator result "+d+" is not an object");if(!d.done)return a.a.h=!1,d;var f=d.value}catch(g){return a.a.c=null,a.a.j(g),J(a)}a.a.c=null;c.call(a.a,f);return J(a)}function J(a){for(;a.a.b;)try{var b=a.B(a.a);if(b)return a.a.h=!1,{value:b.value,done:!1}}catch(e){a.a.o=void 0,a.a.j(e)}a.a.h=!1;if(a.a.g){b=a.a.g;a.a.g=null;if(b.w)throw b.v;return{value:b["return"],done:!0}}return{value:void 0,done:!0}}
+function L(a){this.next=function(b){return a.i(b)};this["throw"]=function(b){return a.j(b)};this["return"]=function(b){return K(a,b)};u();this[Symbol.iterator]=function(){return this}}function M(a,b){var e=new L(new H(b));C&&C(e,a.prototype);return e}
+if("function"===typeof Blob&&("undefined"===typeof FormData||!FormData.prototype.keys)){var N=function(a,b){for(var e=0;e<a.length;e++)b(a[e])},O=function(a,b,e){return b instanceof Blob?[String(a),b,void 0!==e?e+"":"string"===typeof b.name?b.name:"blob"]:[String(a),String(b)]},P=function(a,b){if(a.length<b)throw new TypeError(b+" argument required, but only "+a.length+" present.");},Q=function(a){var b=x(a);a=b.next().value;b=b.next().value;a instanceof Blob&&(a=new File([a],b,{type:a.type,lastModified:a.lastModified}));
+return a},R="object"===typeof window?window:"object"===typeof self?self:this,S=R.FormData,T=R.XMLHttpRequest&&R.XMLHttpRequest.prototype.send,U=R.Request&&R.fetch,V=R.navigator&&R.navigator.sendBeacon;p();var W=R.Symbol&&Symbol.toStringTag;W&&(Blob.prototype[W]||(Blob.prototype[W]="Blob"),"File"in R&&!File.prototype[W]&&(File.prototype[W]="File"));try{new File([],"")}catch(a){R.File=function(b,e,c){b=new Blob(b,c);c=c&&void 0!==c.lastModified?new Date(c.lastModified):new Date;Object.defineProperties(b,
+{name:{value:e},lastModifiedDate:{value:c},lastModified:{value:+c},toString:{value:function(){return"[object File]"}}});W&&Object.defineProperty(b,W,{value:"File"});return b}}p();u();var X=function(a){this.f=Object.create(null);if(!a)return this;var b=this;N(a.elements,function(a){if(a.name&&!a.disabled&&"submit"!==a.type&&"button"!==a.type)if("file"===a.type){var c=a.files&&a.files.length?a.files:[new File([],"",{type:"application/octet-stream"})];N(c,function(c){b.append(a.name,c)})}else"select-multiple"===
+a.type||"select-one"===a.type?N(a.options,function(c){!c.disabled&&c.selected&&b.append(a.name,c.value)}):"checkbox"===a.type||"radio"===a.type?a.checked&&b.append(a.name,a.value):(c="textarea"===a.type?a.value.replace(/\r\n/g,"\n").replace(/\n/g,"\r\n"):a.value,b.append(a.name,c))})};k=X.prototype;k.append=function(a,b,e){P(arguments,2);var c=x(O.apply(null,arguments));a=c.next().value;b=c.next().value;e=c.next().value;c=this.f;c[a]||(c[a]=[]);c[a].push([b,e])};k["delete"]=function(a){P(arguments,
+1);delete this.f[String(a)]};k.entries=function b(){var e=this,c,d,f,g,h,q;return M(b,function(b){switch(b.b){case 1:c=e.f,f=new G(c);case 2:var t;a:{for(t=f;0<t.l.length;){var w=t.l.pop();if(w in t.A){t=w;break a}}t=null}if(null==(d=t)){b.b=0;break}g=x(c[d]);h=g.next();case 5:if(h.done){b.b=2;break}q=h.value;return F(b,[d,Q(q)],6);case 6:h=g.next(),b.b=5}})};k.forEach=function(b,e){P(arguments,1);for(var c=x(this),d=c.next();!d.done;d=c.next()){var f=x(d.value);d=f.next().value;f=f.next().value;
+b.call(e,f,d,this)}};k.get=function(b){P(arguments,1);var e=this.f;b=String(b);return e[b]?Q(e[b][0]):null};k.getAll=function(b){P(arguments,1);return(this.f[String(b)]||[]).map(Q)};k.has=function(b){P(arguments,1);return String(b)in this.f};k.keys=function e(){var c=this,d,f,g,h,q;return M(e,function(e){1==e.b&&(d=x(c),f=d.next());if(3!=e.b){if(f.done){e.b=0;return}g=f.value;h=x(g);q=h.next().value;return F(e,q,3)}f=d.next();e.b=2})};k.set=function(e,c,d){P(arguments,2);var f=O.apply(null,arguments);
+this.f[f[0]]=[[f[1],f[2]]]};k.values=function c(){var d=this,f,g,h,q,w;return M(c,function(c){1==c.b&&(f=x(d),g=f.next());if(3!=c.b){if(g.done){c.b=0;return}h=g.value;q=x(h);q.next();w=q.next().value;return F(c,w,3)}g=f.next();c.b=2})};X.prototype._asNative=function(){for(var c=new S,d=x(this),f=d.next();!f.done;f=d.next()){var g=x(f.value);f=g.next().value;g=g.next().value;c.append(f,g)}return c};X.prototype._blob=function(){for(var c="----formdata-polyfill-"+Math.random(),d=[],f=x(this),g=f.next();!g.done;g=
+f.next()){var h=x(g.value);g=h.next().value;h=h.next().value;d.push("--"+c+"\r\n");h instanceof Blob?d.push('Content-Disposition: form-data; name="'+g+'"; filename="'+h.name+'"\r\n',"Content-Type: "+(h.type||"application/octet-stream")+"\r\n\r\n",h,"\r\n"):d.push('Content-Disposition: form-data; name="'+g+'"\r\n\r\n'+h+"\r\n")}d.push("--"+c+"--");return new Blob(d,{type:"multipart/form-data; boundary="+c})};X.prototype[Symbol.iterator]=function(){return this.entries()};X.prototype.toString=function(){return"[object FormData]"};
+W&&(X.prototype[W]="FormData");T&&(R.XMLHttpRequest.prototype.send=function(c){c instanceof X?(c=c._blob(),this.setRequestHeader("Content-Type",c.type),T.call(this,c)):T.call(this,c)});if(U){var Y=R.fetch;R.fetch=function(c,d){d&&d.body&&d.body instanceof X&&(d.body=d.body._blob());return Y.call(this,c,d)}}V&&(R.navigator.sendBeacon=function(c,d){d instanceof X&&(d=d._asNative());return V.call(this,c,d)});R.FormData=X};
 })();

package.json

 {
   "name": "formdata-polyfill",
-  "version": "3.0.15",
+  "version": "3.0.17",
   "description": "HTML5 `FormData` polyfill for Browsers.",
@@ -8,4 +8,4 @@ "main": "formdata.min.js",
     "build": "node build",
-    "prepare": "npm run build",
-    "test": "karma start --single-run --browsers ChromeHeadless karma.conf.js"
+    "prepare": "npm run build && npm run test",
+    "test": "standard ./FormData.js && karma start --single-run --browsers ChromeHeadless karma.conf.js"
   },
@@ -39,4 +39,5 @@ "repository": {
     "karma-mocha": "^1.3.0",
-    "mocha": "^5.2.0"
+    "mocha": "^6.0.0",
+    "standard": "^12.0.1"
   }
 }

README.md

@@ -9,2 +9,4 @@ # FormData
 
+[![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
+
 ```bash
@@ -18,3 +20,4 @@ npm install formdata-polyfill
 since otherwise there is no way to get or delete existing values in the FormData object.
-Therefore this also patches `XMLHttpRequest.prototype.send` and `fetch` to send the FormData as a blob.
+Therefore this also patches `XMLHttpRequest.prototype.send` and `fetch` to send the `FormData` as a blob,
+and `navigator.sendBeacon` to send native `FormData`.
 
@@ -34,5 +37,2 @@ I was unable to patch the Response/Request constructor
 
-The internal data is kept private to prevent unintentional access to it,
-therefore `WeakMap` is used and you may also need a polyfill for that.
-
 If you need to support IE <= 9 then I recommend you to include eligrey's [blob.js]
@@ -39,0 +39,0 @@

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Improved metrics

Total package byte prevSize

22738

increased by3.35%

Lines of code

385

increased by2.94%

Worsened metrics

Dev dependency count

7

increased by16.67%

No dependency changes