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urlparent ignore search fragment and index.html

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replace trailingSlash with the option dict.
option contain trailingSlash, ignoreFragment, ignoreSearch and ignoreIndexHtml.
If `ignore*` present, remove it will not cause count decrement.
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Gold Holk 2022-08-15 14:53:52 +08:00 • committed by Oliver Blanthorn
parent ff696b5cc7
commit 401a36869d
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GPG key ID: 2BB8C36BB504BFF3
1 changed files with 19 additions and 9 deletions
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28
src/lib/url_util.ts
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@ -60,16 +60,16 @@ export function getUrlRoot(url) {
* * Remove one subdomain from the front if there is one
*
* @param url the URL to get the parent of
* @param trailingSlash whether the returned URL has a trailing slash
* @param option search option, boolean dict of trailingSlash, ignoreSearch, ignoreFragment and ignoreIndexHtml
* @param count how many "generations" you wish to go back (1 = parent, 2 = grandparent, etc.)
* @return the parent of the URL, or null if there is no parent
*/
export function getUrlParent(url, trailingSlash, count = 1) {
export function getUrlParent(url, option, count = 1) {
// Helper function.
function gup(parent, trailingSlash, count) {
function gup(parent, option, count) {
if (count < 1) {
// remove trailing slash(s) if desired
if (!trailingSlash) {
if (!option.trailingSlash) {
// remove 1 or more trailing slashes
parent.pathname = parent.pathname.replace(/\/+$/, "")
}
@ -78,18 +78,28 @@ export function getUrlParent(url, trailingSlash, count = 1) {
// strip, in turn, hash/fragment and query/search
if (parent.hash) {
parent.hash = ""
return gup(parent, trailingSlash, count - 1)
if (!option.ignoreFragment) count--
return gup(parent, option, count)
}
if (parent.search) {
parent.search = ""
return gup(parent, trailingSlash, count - 1)
if (!option.ignoreSearch) count--
return gup(parent, option, count)
}
if (option.ignoreIndexHtml) {
const indexHtml = /\/index\.(html?|php|aspx?|jsp|cgi|pl|js)$/i
if (parent.pathname.match(indexHtml)) {
parent.pathname = parent.pathname.replace(indexHtml, "/")
return gup(parent, option, count)
}
}
// empty path is '/'
if (parent.pathname !== "/") {
// Remove trailing slashes and everything to the next slash:
parent.pathname = parent.pathname.replace(/\/[^\/]*?\/*$/, "/")
return gup(parent, trailingSlash, count - 1)
return gup(parent, option, count - 1)
}
// strip off the first subdomain if there is one
@ -100,7 +110,7 @@ export function getUrlParent(url, trailingSlash, count = 1) {
if (domains.length > 2) {
// domains.pop()
parent.host = domains.slice(1).join(".")
return gup(parent, trailingSlash, count - 1)
return gup(parent, option, count - 1)
}
}
@ -114,7 +124,7 @@ export function getUrlParent(url, trailingSlash, count = 1) {
}
const parent = new URL(url)
return gup(parent, trailingSlash, count)
return gup(parent, option, count)
}
/** Very incomplete lookup of extension for common mime types that might be