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#372 cache length in loops

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This commit is contained in:
Leo Horie 2014-12-08 11:57:31 -05:00
parent e453ec7ce3
commit f3076367ee
1 changed files with 12 additions and 12 deletions
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24
mithril.js
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@ -110,7 +110,7 @@ var m = (function app(window, undefined) {
if (dataType === ARRAY) {
//recursively flatten array
for (var i = 0; i < data.length; i++) {
for (var i = 0, len = data.length; i < len; i++) {
if (type.call(data[i]) === ARRAY) {
data = data.concat.apply([], data);
i-- //check current index again and flatten until there are no more nested arrays at that index
@ -127,7 +127,7 @@ var m = (function app(window, undefined) {
//5) copy unkeyed items into their respective gaps
var DELETION = 1, INSERTION = 2 , MOVE = 3;
var existing = {}, unkeyed = [], shouldMaintainIdentities = false;
for (var i = 0; i < cached.length; i++) {
for (var i = 0, len = cached.length; i < len; i++) {
if (cached[i] && cached[i].attrs && cached[i].attrs.key != null) {
shouldMaintainIdentities = true;
existing[cached[i].attrs.key] = {action: DELETION, index: i}
@ -135,7 +135,7 @@ var m = (function app(window, undefined) {
}
if (shouldMaintainIdentities) {
if (data.indexOf(null) > -1) data = data.filter(function(x) {return x != null})
for (var i = 0; i < data.length; i++) {
for (var i = 0, len = data.length; i < len; i++) {
if (data[i] && data[i].attrs) {
if (data[i].attrs.key != null) {
var key = data[i].attrs.key;
@ -173,7 +173,7 @@ var m = (function app(window, undefined) {
newCached[change.index] = cached[change.from]
}
}
for (var i = 0; i < unkeyed.length; i++) {
for (var i = 0, len = unkeyed.length; i < len; i++) {
var change = unkeyed[i];
parentElement.insertBefore(change.element, parentElement.childNodes[change.index] || null);
newCached[change.index] = cached[change.index]
@ -184,7 +184,7 @@ var m = (function app(window, undefined) {
}
//end key algorithm
for (var i = 0, cacheCount = 0; i < data.length; i++) {
for (var i = 0, cacheCount = 0, len = data.length; i < len; i++) {
//diff each item in the array
var item = build(parentElement, parentTag, cached, index, data[i], cached[cacheCount], shouldReattach, index + subArrayCount || subArrayCount, editable, namespace, configs);
if (item === undefined) continue;
@ -202,7 +202,7 @@ var m = (function app(window, undefined) {
//diff the array itself
//update the list of DOM nodes by collecting the nodes from each item
for (var i = 0; i < data.length; i++) {
for (var i = 0, len = data.length; i < len; i++) {
if (cached[i] != null) nodes.push.apply(nodes, cached[i].nodes)
}
//remove items from the end of the array if the new array is shorter than the old one
@ -377,7 +377,7 @@ var m = (function app(window, undefined) {
if (cached.configContext && typeof cached.configContext.onunload === FUNCTION) cached.configContext.onunload();
if (cached.children) {
if (type.call(cached.children) === ARRAY) {
for (var i = 0; i < cached.children.length; i++) unload(cached.children[i])
for (var i = 0, child; child = cached.children[i]; i++) unload(child)
}
else if (cached.children.tag) unload(cached.children)
}
@ -440,7 +440,7 @@ var m = (function app(window, undefined) {
if (cellCache[id] === undefined) clear(node.childNodes);
if (forceRecreation === true) reset(root);
cellCache[id] = build(node, null, undefined, undefined, cell, cellCache[id], false, 0, null, undefined, configs);
for (var i = 0; i < configs.length; i++) configs[i]()
for (var i = 0, len = configs.length; i < len; i++) configs[i]()
};
function getCellCacheKey(element) {
var index = nodeCache.indexOf(element);
@ -522,9 +522,9 @@ var m = (function app(window, undefined) {
m.redraw.strategy = m.prop();
function redraw() {
var mode = m.redraw.strategy();
for (var i = 0; i < roots.length; i++) {
for (var i = 0, root; root = roots[i]; i++) {
if (controllers[i] && mode != "none") {
m.render(roots[i], modules[i].view(controllers[i]), mode === "all")
m.render(root, modules[i].view(controllers[i]), mode === "all")
}
}
//after rendering within a routed context, we need to scroll back to the top, and fetch the document title for history.pushState
@ -635,7 +635,7 @@ var m = (function app(window, undefined) {
path.replace(matcher, function() {
var keys = route.match(/:[^\/]+/g) || [];
var values = [].slice.call(arguments, 1, -2);
for (var i = 0; i < keys.length; i++) routeParams[keys[i].replace(/:|\./g, "")] = decodeURIComponent(values[i])
for (var i = 0, len = keys.length; i < len; i++) routeParams[keys[i].replace(/:|\./g, "")] = decodeURIComponent(values[i])
m.module(root, router[route])
});
return true
@ -665,7 +665,7 @@ var m = (function app(window, undefined) {
}
function parseQueryString(str) {
var pairs = str.split("&"), params = {};
for (var i = 0; i < pairs.length; i++) {
for (var i = 0, len = pairs.length; i < len; i++) {
var pair = pairs[i].split("=");
params[decodeSpace(pair[0])] = pair[1] ? decodeSpace(pair[1]) : ""
}