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Use 'document.scripts' instead of document.getElementsByTagName #496

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Merged
merged 2 commits into from
Sep 1, 2016
Merged

Use 'document.scripts' instead of document.getElementsByTagName #496

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7d84d6b
Use 'document.scripts' instead of document.getElementsByTagName
May 31, 2016
de87caa
Use document.currentScript with document.scripts as fallback
perry-mitchell Aug 31, 2016
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21 changes: 18 additions & 3 deletions client/index.js
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Original file line number Diff line number Diff line change
@@ -1,15 +1,30 @@
var url = require('url');
var SockJS = require("sockjs-client");
var stripAnsi = require('strip-ansi');

function getCurrentScriptSource() {
// try to get the current script
if (document.currentScript) {
return document.currentScript.getAttribute("src");
}
// fall back to getting all scripts in the document
var scriptElements = document.scripts || [],
currentScript = scriptElements[scriptElements.length - 1];
if (currentScript) {
return currentScript.getAttribute("src");
}
// fail as there was no script to use
throw new Error("Failed to get current script source");
}

var urlParts;
if (typeof __resourceQuery === "string" && __resourceQuery) {
// If this bundle is inlined, use the resource query to get the correct url.
urlParts = url.parse(__resourceQuery.substr(1));
} else {
// Else, get the url from the <script> this file was called with.
var scriptElements = document.getElementsByTagName("script");
var scriptHost = scriptElements[scriptElements.length-1].getAttribute("src");
scriptHost = scriptHost && scriptHost.replace(/\/[^\/]+$/, "");
var scriptHost = getCurrentScriptSource();
scriptHost = scriptHost.replace(/\/[^\/]+$/, "");
urlParts = url.parse((scriptHost ? scriptHost : "/"), false, true);
}

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