Internet Archive directory listing searcher 1.0

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Sep 11th, 2023

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/* Internet Archive directory listing searcher */
if(document.location.pathname.search("/download/") == 0) /* if directory listing viewed */ {
var listing = document.getElementsByClassName("download-directory-listing")[0];
// create search bar in memory before inserting
var search_input = document.createElement("input");
search_input.placeholder="search files";
search_input.onkeyup=search_list;
search_input.style.marginRight="1em";
// create search result counter in memory before inserting
var result_counter = document.createElement("span");
var listing_hr = listing.getElementsByTagName("hr")[0];
listing.insertBefore(search_input, listing_hr); // insert search bar into page
listing.insertBefore(result_counter, listing_hr); // insert result counter into page
var list_items = document.getElementsByTagName("tr");
var count = 0; // initialize counter for "for" loops
var result_count = 0; // initialize result counter
}
function search_list() {
result_count = 0; // reset result counter
search_input.setAttribute("value",search_input.value); // compatibility
for (count=2 /* skip "go to parent directory" */; count < list_items.length; count++) {
// convert to case-insensitive
var content_case_insensitive=list_items[count].innerHTML.toLowerCase();
var search_case_insensitive = search_input.value.toLowerCase();
// perform search
if (content_case_insensitive.search(search_case_insensitive)<0) /* if no match */ {
list_items[count].style.display="none"; /* hide */
} else {
list_items[count].style.display=""; // fall back to original CSS by resetting to undefined
result_count++; // count results
}
}
result_counter.innerHTML = result_count;
if (result_count == 1) result_counter.innerHTML += " result"; // singular
else result_counter.innerHTML += " results"; // plural
}

Tags: Internet Archive

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