chore(http-core): pull in http core in preparation for making local c…

…hanges

packages/http-core/package.json

@@ -16,8 +16,7 @@
     "lodash": "^4.13.1",
     "qs": "^5.2.0",
     "request": "^2.60.0",
-    "uuid": "^2.0.1",
-    "xhr": "^2.0.3"
+    "uuid": "^2.0.1"
   },
   "devDependencies": {
     "@ciscospark/test-helper-chai": "^0.7.34",

packages/http-core/src/lib/xhr.js

@@ -0,0 +1,250 @@
+// Need to fork xhr to support environments with full object freezing; namely,
+// SalesForce's Aura and Locker environment.
+
+// See https://github.com/naugtur/xhr for license information
+
+// Maintain the original code style of https://github.com/naugtur/xhr since
+// we're trying to diverge as little as possible.
+/* eslint-disable */
+
+"use strict";
+var window = require("global/window")
+var isFunction = require("is-function")
+var parseHeaders = require("parse-headers")
+var xtend = require("xtend")
+
+module.exports = createXHR
+createXHR.XMLHttpRequest = window.XMLHttpRequest || noop
+createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window.XDomainRequest
+
+forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) {
+    createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) {
+        options = initParams(uri, options, callback)
+        options.method = method.toUpperCase()
+        return _createXHR(options)
+    }
+})
+
+function forEachArray(array, iterator) {
+    for (var i = 0; i < array.length; i++) {
+        iterator(array[i])
+    }
+}
+
+function isEmpty(obj){
+    for(var i in obj){
+        if(obj.hasOwnProperty(i)) return false
+    }
+    return true
+}
+
+function initParams(uri, options, callback) {
+    var params = uri
+
+    if (isFunction(options)) {
+        callback = options
+        if (typeof uri === "string") {
+            params = {uri:uri}
+        }
+    } else {
+        params = xtend(options, {uri: uri})
+    }
+
+    params.callback = callback
+    return params
+}
+
+function createXHR(uri, options, callback) {
+    options = initParams(uri, options, callback)
+    return _createXHR(options)
+}
+
+function _createXHR(options) {
+    if(typeof options.callback === "undefined"){
+        throw new Error("callback argument missing")
+    }
+
+    var called = false
+    var callback = function cbOnce(err, response, body){
+        if(!called){
+            called = true
+            options.callback(err, response, body)
+        }
+    }
+
+    function readystatechange() {
+        if (xhr.readyState === 4) {
+            setTimeout(loadFunc, 0)
+        }
+    }
+
+    function getBody() {
+        // Chrome with requestType=blob throws errors arround when even testing access to responseText
+        var body = undefined
+
+        if (xhr.response) {
+            body = xhr.response
+        } else {
+            body = xhr.responseText || getXml(xhr)
+        }
+
+        if (isJson) {
+            try {
+                body = JSON.parse(body)
+            } catch (e) {}
+        }
+
+        return body
+    }
+
+    function errorFunc(evt) {
+        clearTimeout(timeoutTimer)
+        if(!(evt instanceof Error)){
+            evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") )
+        }
+        evt.statusCode = 0
+        return callback(evt, failureResponse)
+    }
+
+    // will load the data & process the response in a special response object
+    function loadFunc() {
+        if (aborted) return
+        var status
+        clearTimeout(timeoutTimer)
+        if(options.useXDR && xhr.status===undefined) {
+            //IE8 CORS GET successful response doesn't have a status field, but body is fine
+            status = 200
+        } else {
+            status = (xhr.status === 1223 ? 204 : xhr.status)
+        }
+        var response = failureResponse
+        var err = null
+
+        if (status !== 0){
+            response = {
+                body: getBody(),
+                statusCode: status,
+                method: method,
+                headers: {},
+                url: uri,
+                rawRequest: xhr
+            }
+            if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE
+                response.headers = parseHeaders(xhr.getAllResponseHeaders())
+            }
+        } else {
+            err = new Error("Internal XMLHttpRequest Error")
+        }
+        return callback(err, response, response.body)
+    }
+
+    var xhr = options.xhr || null
+
+    if (!xhr) {
+        if (options.cors || options.useXDR) {
+            xhr = new createXHR.XDomainRequest()
+        }else{
+            xhr = new createXHR.XMLHttpRequest()
+        }
+    }
+
+    var key
+    var aborted
+    var uri = xhr.url = options.uri || options.url
+    var method = xhr.method = options.method || "GET"
+    var body = options.body || options.data
+    var headers = xhr.headers = options.headers || {}
+    var sync = !!options.sync
+    var isJson = false
+    var timeoutTimer
+    var failureResponse = {
+        body: undefined,
+        headers: {},
+        statusCode: 0,
+        method: method,
+        url: uri,
+        rawRequest: xhr
+    }
+
+    if ("json" in options && options.json !== false) {
+        isJson = true
+        headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json") //Don't override existing accept header declared by user
+        if (method !== "GET" && method !== "HEAD") {
+            headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json") //Don't override existing accept header declared by user
+            body = JSON.stringify(options.json === true ? body : options.json)
+        }
+    }
+
+    xhr.onreadystatechange = readystatechange
+    xhr.onload = loadFunc
+    xhr.onerror = errorFunc
+    // IE9 must have onprogress be set to a unique function.
+    xhr.onprogress = function () {
+        // IE must die
+    }
+    xhr.onabort = function(){
+        aborted = true;
+    }
+    xhr.ontimeout = errorFunc
+    xhr.open(method, uri, !sync, options.username, options.password)
+    //has to be after open
+    if(!sync) {
+        xhr.withCredentials = !!options.withCredentials
+    }
+    // Cannot set timeout with sync request
+    // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
+    // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
+    if (!sync && options.timeout > 0 ) {
+        timeoutTimer = setTimeout(function(){
+            if (aborted) return
+            aborted = true//IE9 may still call readystatechange
+            xhr.abort("timeout")
+            var e = new Error("XMLHttpRequest timeout")
+            e.code = "ETIMEDOUT"
+            errorFunc(e)
+        }, options.timeout )
+    }
+
+    if (xhr.setRequestHeader) {
+        for(key in headers){
+            if(headers.hasOwnProperty(key)){
+                xhr.setRequestHeader(key, headers[key])
+            }
+        }
+    } else if (options.headers && !isEmpty(options.headers)) {
+        throw new Error("Headers cannot be set on an XDomainRequest object")
+    }
+
+    if ("responseType" in options) {
+        xhr.responseType = options.responseType
+    }
+
+    if ("beforeSend" in options &&
+        typeof options.beforeSend === "function"
+    ) {
+        options.beforeSend(xhr)
+    }
+
+    // Microsoft Edge browser sends "undefined" when send is called with undefined value.
+    // XMLHttpRequest spec says to pass null as body to indicate no body
+    // See https://github.com/naugtur/xhr/issues/100.
+    xhr.send(body || null)
+
+    return xhr
+
+
+}
+
+function getXml(xhr) {
+    if (xhr.responseType === "document") {
+        return xhr.responseXML
+    }
+    var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror"
+    if (xhr.responseType === "" && !firefoxBugTakenEffect) {
+        return xhr.responseXML
+    }
+
+    return null
+}
+
+function noop() {}

packages/http-core/src/request/request.shim.js

@@ -11,7 +11,7 @@
 
 import {defaults, isArray, pick} from 'lodash';
 import qs from 'qs';
-import xhr from 'xhr';
+import xhr from '../lib/xhr';
 import {detectSync} from '../lib/detect';
 
 /**