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Fetch-style signature overload

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This commit is contained in:
Barney Carroll 2016-11-11 18:37:56 +00:00
parent bcb81c4b03
commit beccd16dd7
2 changed files with 66 additions and 18 deletions
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40
request/request.js
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@ -1,40 +1,52 @@
"use strict"
var buildQueryString = require("../querystring/build")
var Promise = require("../promise/promise")
module.exports = function($window, Stream) {
var callbackCount = 0
var oncompletion
function setCompletionCallback(callback) {oncompletion = callback}
function request(args) {
function request(args, extra) {
if(typeof args === "string"){
var url = args
if(typeof extra === "object") args = extra
else args = {}
if(typeof args.url === "undefined") args.url = url
}
if(typeof args.method === "undefined") args.method = "GET"
var stream = Stream()
if (args.initialValue !== undefined) stream(args.initialValue)
args.method = args.method.toUpperCase()
var useBody = typeof args.useBody === "boolean" ? args.useBody : args.method !== "GET" && args.method !== "TRACE"
if (typeof args.serialize !== "function") args.serialize = typeof FormData !== "undefined" && args.data instanceof FormData ? function(value) {return value} : JSON.stringify
if (typeof args.deserialize !== "function") args.deserialize = deserialize
if (typeof args.extract !== "function") args.extract = extract
args.url = interpolate(args.url, args.data)
if (useBody) args.data = args.serialize(args.data)
else args.url = assemble(args.url, args.data)
var xhr = new $window.XMLHttpRequest()
xhr.open(args.method, args.url, typeof args.async === "boolean" ? args.async : true, typeof args.user === "string" ? args.user : undefined, typeof args.password === "string" ? args.password : undefined)
if (args.serialize === JSON.stringify && useBody) {
xhr.setRequestHeader("Content-Type", "application/json; charset=utf-8")
}
if (args.deserialize === deserialize) {
xhr.setRequestHeader("Accept", "application/json, text/*")
}
if (typeof args.config === "function") xhr = args.config(xhr, args) || xhr
xhr.onreadystatechange = function() {
if (xhr.readyState === 4) {
try {
@ -54,17 +66,17 @@ module.exports = function($window, Stream) {
if (typeof oncompletion === "function") oncompletion()
}
}
if (useBody && (args.data != null)) xhr.send(args.data)
else xhr.send()
return stream
}
function jsonp(args) {
var stream = Stream()
if (args.initialValue !== undefined) stream(args.initialValue)
var callbackName = args.callbackName || "_mithril_" + Math.round(Math.random() * 1e16) + "_" + callbackCount++
var script = $window.document.createElement("script")
$window[callbackName] = function(data) {
@ -116,7 +128,7 @@ module.exports = function($window, Stream) {
}
function extract(xhr) {return xhr.responseText}
function cast(type, data) {
if (typeof type === "function") {
if (data instanceof Array) {
@ -128,6 +140,6 @@ module.exports = function($window, Stream) {
}
return data
}
return {request: request, jsonp: jsonp, setCompletionCallback: setCompletionCallback}
}