Rustdoc: Clean Up Some JS
There are more possible optimizations left (cached length in loops) as well as some possible bugs (shadowed variables) to fix. This is mostly syntactic.
This commit is contained in:
Pascal Hertleif
parent
c3d60aba6c
commit
a713867c74
@ -13,7 +13,6 @@
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(function() {
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"use strict";
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var resizeTimeout, interval;
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// This mapping table should match the discriminants of
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// `rustdoc::html::item_type::ItemType` type in Rust.
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@ -64,7 +63,7 @@
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if ($('#' + from).length === 0) {
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return;
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}
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if (ev === null) $('#' + from)[0].scrollIntoView();
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if (ev === null) { $('#' + from)[0].scrollIntoView(); };
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$('.line-numbers span').removeClass('line-highlighted');
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for (i = from; i <= to; ++i) {
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$('#' + i).addClass('line-highlighted');
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@ -74,7 +73,7 @@
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highlightSourceLines(null);
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$(window).on('hashchange', highlightSourceLines);
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$(document).on('keyup', function(e) {
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$(document).on('keyup', function handleKeyboardShortcut(e) {
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if (document.activeElement.tagName === 'INPUT') {
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return;
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}
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@ -133,29 +132,28 @@
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return function(s1, s2) {
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if (s1 === s2) {
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return 0;
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} else {
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var s1_len = s1.length, s2_len = s2.length;
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if (s1_len && s2_len) {
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var i1 = 0, i2 = 0, a, b, c, c2, row = row2;
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while (i1 < s1_len)
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row[i1] = ++i1;
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while (i2 < s2_len) {
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c2 = s2.charCodeAt(i2);
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a = i2;
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++i2;
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b = i2;
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for (i1 = 0; i1 < s1_len; ++i1) {
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c = a + (s1.charCodeAt(i1) !== c2 ? 1 : 0);
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a = row[i1];
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b = b < a ? (b < c ? b + 1 : c) : (a < c ? a + 1 : c);
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row[i1] = b;
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}
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}
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return b;
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} else {
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return s1_len + s2_len;
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}
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}
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var s1_len = s1.length, s2_len = s2.length;
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if (s1_len && s2_len) {
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var i1 = 0, i2 = 0, a, b, c, c2, row = row2;
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while (i1 < s1_len) {
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row[i1] = ++i1;
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}
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while (i2 < s2_len) {
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c2 = s2.charCodeAt(i2);
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a = i2;
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++i2;
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b = i2;
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for (i1 = 0; i1 < s1_len; ++i1) {
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c = a + (s1.charCodeAt(i1) !== c2 ? 1 : 0);
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a = row[i1];
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b = b < a ? (b < c ? b + 1 : c) : (a < c ? a + 1 : c);
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row[i1] = b;
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}
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}
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return b;
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}
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return s1_len + s2_len;
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};
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})();
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@ -187,7 +185,7 @@
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results = [],
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split = valLower.split("::");
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//remove empty keywords
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// remove empty keywords
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for (var j = 0; j < split.length; ++j) {
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split[j].toLowerCase();
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if (split[j] === "") {
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@ -286,58 +284,59 @@
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return [];
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}
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results.sort(function(aaa, bbb) {
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results.sort(function sortResults(aaa, bbb) {
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var a, b;
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// Sort by non levenshtein results and then levenshtein results by the distance
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// (less changes required to match means higher rankings)
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a = (aaa.lev);
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b = (bbb.lev);
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// sort by crate (non-current crate goes later)
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a = (aaa.item.crate !== window.currentCrate);
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b = (bbb.item.crate !== window.currentCrate);
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// sort by exact match (mismatch goes later)
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a = (aaa.word !== valLower);
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b = (bbb.word !== valLower);
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// sort by item name length (longer goes later)
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a = aaa.word.length;
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b = bbb.word.length;
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// sort by item name (lexicographically larger goes later)
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a = aaa.word;
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b = bbb.word;
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if (a !== b) return (a > b ? +1 : -1);
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if (a !== b) { return (a > b ? +1 : -1); }
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// sort by index of keyword in item name (no literal occurrence goes later)
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a = (aaa.index < 0);
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b = (bbb.index < 0);
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// (later literal occurrence, if any, goes later)
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a = aaa.index;
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b = bbb.index;
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// sort by description (no description goes later)
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a = (aaa.item.desc === '');
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b = (bbb.item.desc === '');
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// sort by type (later occurrence in `itemTypes` goes later)
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a = aaa.item.ty;
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b = bbb.item.ty;
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if (a !== b) return a - b;
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if (a !== b) { return a - b; }
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// sort by path (lexicographically larger goes later)
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a = aaa.item.path;
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b = bbb.item.path;
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if (a !== b) return (a > b ? +1 : -1);
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if (a !== b) { return (a > b ? +1 : -1); }
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// que sera, sera
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return 0;
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@ -388,7 +387,7 @@
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* @return {[boolean]} [Whether the result is valid or not]
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*/
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function validateResult(name, path, keys, parent) {
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for (var i=0; i < keys.length; ++i) {
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for (var i = 0; i < keys.length; ++i) {
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// each check is for validation so we negate the conditions and invalidate
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if (!(
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// check for an exact name match
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@ -423,7 +422,7 @@
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raw: raw,
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query: query,
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type: type,
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id: query + type,
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id: query + type
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};
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}
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@ -432,7 +431,7 @@
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$results.on('click', function() {
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var dst = $(this).find('a')[0];
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if (window.location.pathname == dst.pathname) {
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if (window.location.pathname === dst.pathname) {
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$('#search').addClass('hidden');
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$('#main').removeClass('hidden');
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document.location.href = dst.href;
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@ -595,7 +594,7 @@
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function itemTypeFromName(typename) {
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for (var i = 0; i < itemTypes.length; ++i) {
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if (itemTypes[i] === typename) return i;
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if (itemTypes[i] === typename) { return i; }
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}
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return -1;
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}
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@ -604,7 +603,7 @@
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searchIndex = [];
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var searchWords = [];
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for (var crate in rawSearchIndex) {
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if (!rawSearchIndex.hasOwnProperty(crate)) { continue }
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if (!rawSearchIndex.hasOwnProperty(crate)) { continue; }
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// an array of [(Number) item type,
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// (String) name,
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@ -690,32 +689,31 @@
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}
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function plainSummaryLine(markdown) {
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var str = markdown.replace(/\n/g, ' ')
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str = str.replace(/'/g, "\'")
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str = str.replace(/^#+? (.+?)/, "$1")
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str = str.replace(/\[(.*?)\]\(.*?\)/g, "$1")
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str = str.replace(/\[(.*?)\]\[.*?\]/g, "$1")
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return str;
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markdown.replace(/\n/g, ' ')
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.replace(/'/g, "\'")
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.replace(/^#+? (.+?)/, "$1")
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.replace(/\[(.*?)\]\(.*?\)/g, "$1")
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.replace(/\[(.*?)\]\[.*?\]/g, "$1");
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}
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index = buildIndex(rawSearchIndex);
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startSearch();
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// Draw a convenient sidebar of known crates if we have a listing
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if (rootPath == '../') {
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if (rootPath === '../') {
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var sidebar = $('.sidebar');
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var div = $('<div>').attr('class', 'block crate');
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div.append($('<h2>').text('Crates'));
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var crates = [];
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for (var crate in rawSearchIndex) {
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if (!rawSearchIndex.hasOwnProperty(crate)) { continue }
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if (!rawSearchIndex.hasOwnProperty(crate)) { continue; }
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crates.push(crate);
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}
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crates.sort();
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for (var i = 0; i < crates.length; ++i) {
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var klass = 'crate';
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if (crates[i] == window.currentCrate) {
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if (crates[i] === window.currentCrate) {
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klass += ' current';
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}
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if (rawSearchIndex[crates[i]].items[0]) {
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@ -738,7 +736,7 @@
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function block(shortty, longty) {
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var filtered = items[shortty];
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if (!filtered) return;
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if (!filtered) { return; }
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var div = $('<div>').attr('class', 'block ' + shortty);
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div.append($('<h2>').text(longty));
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@ -749,7 +747,7 @@
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var desc = item[1]; // can be null
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var klass = shortty;
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if (name === current.name && shortty == current.ty) {
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if (name === current.name && shortty === current.ty) {
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klass += ' current';
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}
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var path;
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@ -779,7 +777,7 @@
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var list = $('#implementors-list');
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var libs = Object.getOwnPropertyNames(imp);
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for (var i = 0; i < libs.length; ++i) {
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if (libs[i] == currentCrate) continue;
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if (libs[i] === currentCrate) { continue; }
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var structs = imp[libs[i]];
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for (var j = 0; j < structs.length; ++j) {
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var code = $('<code>').append(structs[j]);
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@ -811,11 +809,10 @@
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if (sectionIsCollapsed) {
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// button will expand the section
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return "+";
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} else {
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// button will collapse the section
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// note that this text is also set in the HTML template in render.rs
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return "\u2212"; // "\u2212" is '−' minus sign
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}
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// button will collapse the section
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// note that this text is also set in the HTML template in render.rs
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return "\u2212"; // "\u2212" is '−' minus sign
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}
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$("#toggle-all-docs").on("click", function() {
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@ -847,12 +844,12 @@
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}
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if (relatedDoc.is(".docblock")) {
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if (relatedDoc.is(":visible")) {
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relatedDoc.slideUp({duration:'fast', easing:'linear'});
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relatedDoc.slideUp({duration: 'fast', easing: 'linear'});
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toggle.parent(".toggle-wrapper").addClass("collapsed");
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toggle.children(".inner").text(labelForToggleButton(true));
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toggle.children(".toggle-label").fadeIn();
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} else {
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relatedDoc.slideDown({duration:'fast', easing:'linear'});
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relatedDoc.slideDown({duration: 'fast', easing: 'linear'});
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toggle.parent(".toggle-wrapper").removeClass("collapsed");
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toggle.children(".inner").text(labelForToggleButton(false));
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toggle.children(".toggle-label").hide();
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@ -877,7 +874,7 @@
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$('<span/>', {'class': 'toggle-label'})
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.css('display', 'none')
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.html(' Expand description'));
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var wrapper = $("<div class='toggle-wrapper'>").append(mainToggle);
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var wrapper = $("<div class='toggle-wrapper'>").append(mainToggle);
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$("#main > .docblock").before(wrapper);
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});
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@ -894,7 +891,7 @@
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}
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return function(ev) {
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var cur_id = parseInt(ev.target.id);
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var cur_id = parseInt(ev.target.id, 10);
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if (ev.shiftKey && prev_id) {
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if (prev_id > cur_id) {
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