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Remove dead toggle JS code #85548

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merged 1 commit into from
May 21, 2021
Merged

Remove dead toggle JS code #85548

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158 changes: 0 additions & 158 deletions src/librustdoc/html/static/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -764,138 +764,6 @@ function hideThemeButtonState() {
innerToggle.children[0].innerText = labelForToggleButton(sectionIsCollapsed);
}

function collapseDocs(toggle, mode) {
if (!toggle || !toggle.parentNode) {
return;
}

function adjustToggle(arg) {
return function(e) {
if (hasClass(e, "toggle-label")) {
if (arg) {
e.style.display = "inline-block";
} else {
e.style.display = "none";
}
}
if (hasClass(e, "inner")) {
e.innerHTML = labelForToggleButton(arg);
}
};
}

function implHider(addOrRemove, fullHide) {
return function(n) {
var shouldHide =
fullHide ||
hasClass(n, "method") ||
hasClass(n, "associatedconstant");
if (shouldHide || hasClass(n, "type")) {
if (shouldHide) {
if (addOrRemove) {
addClass(n, "hidden-by-impl-hider");
} else {
removeClass(n, "hidden-by-impl-hider");
}
}
var ns = n.nextElementSibling;
while (ns && (hasClass(ns, "docblock") || hasClass(ns, "item-info"))) {
if (addOrRemove) {
addClass(ns, "hidden-by-impl-hider");
} else {
removeClass(ns, "hidden-by-impl-hider");
}
ns = ns.nextElementSibling;
}
}
};
}

var relatedDoc;
var action = mode;
if (!hasClass(toggle.parentNode, "impl")) {
relatedDoc = toggle.parentNode.nextElementSibling;
if (hasClass(relatedDoc, "item-info")) {
relatedDoc = relatedDoc.nextElementSibling;
}
if (hasClass(relatedDoc, "docblock")) {
if (mode === "toggle") {
if (hasClass(relatedDoc, "hidden-by-usual-hider")) {
action = "show";
} else {
action = "hide";
}
}
if (action === "hide") {
addClass(relatedDoc, "hidden-by-usual-hider");
onEachLazy(toggle.childNodes, adjustToggle(true));
addClass(toggle.parentNode, "collapsed");
} else if (action === "show") {
removeClass(relatedDoc, "hidden-by-usual-hider");
removeClass(toggle.parentNode, "collapsed");
onEachLazy(toggle.childNodes, adjustToggle(false));
}
}
} else {
// we are collapsing the impl block(s).

var parentElem = toggle.parentNode;
relatedDoc = parentElem;
var docblock = relatedDoc.nextElementSibling;

while (!hasClass(relatedDoc, "impl-items")) {
relatedDoc = relatedDoc.nextElementSibling;
}

if (!relatedDoc && !hasClass(docblock, "docblock")) {
return;
}

// Hide all functions, but not associated types/consts.

if (mode === "toggle") {
if (hasClass(relatedDoc, "fns-now-collapsed") ||
hasClass(docblock, "hidden-by-impl-hider")) {
action = "show";
} else {
action = "hide";
}
}

var dontApplyBlockRule = toggle.parentNode.parentNode.id !== "main";
if (action === "show") {
removeClass(relatedDoc, "fns-now-collapsed");
// Stability/deprecation/portability information is never hidden.
if (!hasClass(docblock, "item-info")) {
removeClass(docblock, "hidden-by-usual-hider");
}
onEachLazy(toggle.childNodes, adjustToggle(false, dontApplyBlockRule));
onEachLazy(relatedDoc.childNodes, implHider(false, dontApplyBlockRule));
} else if (action === "hide") {
addClass(relatedDoc, "fns-now-collapsed");
// Stability/deprecation/portability information should be shown even when detailed
// info is hidden.
if (!hasClass(docblock, "item-info")) {
addClass(docblock, "hidden-by-usual-hider");
}
onEachLazy(toggle.childNodes, adjustToggle(true, dontApplyBlockRule));
onEachLazy(relatedDoc.childNodes, implHider(true, dontApplyBlockRule));
}
}
}

function collapseNonInherent(e) {
// inherent impl ids are like "impl" or impl-<number>'.
// they will never be hidden by default.
var n = e.parentElement;
if (n.id.match(/^impl(?:-\d+)?$/) === null) {
// Automatically minimize all non-inherent impls
if (hasClass(n, "impl")) {
collapseDocs(e, "hide");
}
}
}

function insertAfter(newNode, referenceNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
}
Expand All @@ -910,20 +778,6 @@ function hideThemeButtonState() {
var hideImplementors = getSettingValue("auto-collapse-implementors") !== "false";
var hideLargeItemContents = getSettingValue("auto-hide-large-items") !== "false";

var impl_list = document.getElementById("trait-implementations-list");
if (impl_list !== null) {
onEachLazy(impl_list.getElementsByClassName("rustdoc-toggle"), function(e) {
collapseNonInherent(e);
});
}

var blanket_list = document.getElementById("blanket-implementations-list");
if (blanket_list !== null) {
onEachLazy(blanket_list.getElementsByClassName("rustdoc-toggle"), function(e) {
collapseNonInherent(e);
});
}

onEachLazy(document.getElementsByTagName("details"), function (e) {
var showLargeItem = !hideLargeItemContents && hasClass(e, "type-contents-toggle");
var showImplementor = !hideImplementors && hasClass(e, "implementors-toggle");
Expand All @@ -936,18 +790,6 @@ function hideThemeButtonState() {

});

var currentType = document.getElementsByClassName("type-decl")[0];
if (currentType) {
currentType = currentType.getElementsByClassName("rust")[0];
if (currentType) {
onEachLazy(currentType.classList, function(item) {
if (item !== "main") {
return true;
}
});
}
}

var pageId = getPageId();
if (pageId !== null) {
expandSection(pageId);
Expand Down