Add doc piece for joinUrl()

juj · juj · commit c0f4dfce2331 · 2018-01-11T23:07:02.000+02:00
diff --git a/src/preamble.js b/src/preamble.js
@@ -829,6 +829,8 @@ function isAbsoluteUrl(url) {
   return /^(?:[a-z]+:)?\/\//i.test(url);
 }
 
+// Joins relative URL 'b' to URL 'a'. 'a' may be empty, in which case 'b' is returned.
+// If 'b' is an absolute URL, then 'a' is ignored and 'b' is returned as-is as well.
 function joinUrl(a, b) {
 #if ASSERTIONS
   if (a && !a.endsWith('/')) throw 'First parameter to joinUrl() should end in /!';

Original file line number	Diff line number	Diff line change
`@@ -829,6 +829,8 @@ function isAbsoluteUrl(url) {`
`829`	`829`	`return /^(?:[a-z]+:)?\/\//i.test(url);`
`830`	`830`	`}`
`831`	`831`
	`832`	`+// Joins relative URL 'b' to URL 'a'. 'a' may be empty, in which case 'b' is returned.`
	`833`	`+// If 'b' is an absolute URL, then 'a' is ignored and 'b' is returned as-is as well.`
`832`	`834`	`function joinUrl(a, b) {`
`833`	`835`	`#if ASSERTIONS`
`834`	`836`	`if (a && !a.endsWith('/')) throw 'First parameter to joinUrl() should end in /!';`