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Prevent automatic page change when using history #75806

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merged 2 commits into from
Aug 27, 2020
Merged

Prevent automatic page change when using history #75806

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6cb364c
Prevent automatic page change when using history
GuillaumeGomez Aug 22, 2020
76bd5b3
Add explanations on the results search element check
GuillaumeGomez Aug 24, 2020
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15 changes: 11 additions & 4 deletions src/librustdoc/html/static/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1576,14 +1576,18 @@ function defocusSearchBar() {
}

function showResults(results) {
if (results.others.length === 1 &&
getCurrentValue("rustdoc-go-to-only-result") === "true") {
var search = getSearchElement();
if (results.others.length === 1
&& getCurrentValue("rustdoc-go-to-only-result") === "true"
&& (!search.firstChild || search.firstChild.innerText !== getSearchLoadingText()))
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In what cases will !search.firstChild happen?

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By default it's empty. So it's not empty when you already performed a search and "cancelled" it (meaning, you pressed ESC or remove all the content from the search input) or if there is the "loading search result" text when you arrive on the page with a search parameter in your URL.

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Does not look that straightforward to me but I understand after you explain.

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I'll add a comment then.

{
var elem = document.createElement("a");
elem.href = results.others[0].href;
elem.style.display = "none";
// For firefox, we need the element to be in the DOM so it can be clicked.
document.body.appendChild(elem);
elem.click();
return;
}
var query = getQuery(search_input.value);

Expand All @@ -1602,7 +1606,6 @@ function defocusSearchBar() {
"</div><div id=\"results\">" +
ret_others[0] + ret_in_args[0] + ret_returned[0] + "</div>";

var search = getSearchElement();
search.innerHTML = output;
showSearchResults(search);
var tds = search.getElementsByTagName("td");
Expand Down Expand Up @@ -2679,6 +2682,10 @@ function defocusSearchBar() {
}
}

function getSearchLoadingText() {
return "Loading search results...";
}

if (search_input) {
search_input.onfocus = function() {
putBackSearch(this);
Expand All @@ -2688,7 +2695,7 @@ function defocusSearchBar() {
var params = getQueryStringParams();
if (params && params.search) {
var search = getSearchElement();
search.innerHTML = "<h3 style=\"text-align: center;\">Loading search results...</h3>";
search.innerHTML = "<h3 style=\"text-align: center;\">" + getSearchLoadingText() + "</h3>";
showSearchResults(search);
}

Expand Down