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This commit is contained in:
Leo Horie 2015-03-02 22:25:52 -05:00
parent 1a57bcc403
commit 71a19a27a9
3 changed files with 120 additions and 16 deletions
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8
mithril.js
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@ -94,7 +94,7 @@ var m = (function app(window, undefined) {
//- this prevents lifecycle surprises from procedural helpers that mix implicit and explicit return statements (e.g. function foo() {if (cond) return m("div")}
//- it simplifies diffing code
//data.toString() is null if data is the return value of Console.log in Firefox
if (data == null || data.toString() == null) data = "";
try {if (data == null || data.toString() == null) data = "";} catch (e) {data = ""}
if (data.subtree === "retain") return cached;
var cachedType = type.call(cached), dataType = type.call(data);
if (cached == null || cachedType !== dataType) {
@ -120,7 +120,7 @@ var m = (function app(window, undefined) {
len = data.length
}
}
var nodes = [], intact = cached.length === data.length, subArrayCount = 0;
//keys algorithm: sort elements without recreating them if keys are present
@ -238,7 +238,7 @@ var m = (function app(window, undefined) {
var dataAttrKeys = Object.keys(data.attrs)
var hasKeys = dataAttrKeys.length > ("key" in data.attrs ? 1 : 0)
//if an element is different enough from the one in cache, recreate it
if (data.tag != cached.tag || dataAttrKeys.join() != Object.keys(cached.attrs).join() || data.attrs.id != cached.attrs.id || (m.redraw.strategy() == "all" && cached.configContext && cached.configContext.reuse !== true) || (m.redraw.strategy() == "diff" && cached.configContext && cached.configContext.reuse === false)) {
if (data.tag != cached.tag || dataAttrKeys.join() != Object.keys(cached.attrs).join() || data.attrs.id != cached.attrs.id || (m.redraw.strategy() == "all" && cached.configContext && cached.configContext.retain !== true) || (m.redraw.strategy() == "diff" && cached.configContext && cached.configContext.retain === false)) {
if (cached.nodes.length) clear(cached.nodes);
if (cached.configContext && typeof cached.configContext.onunload === FUNCTION) cached.configContext.onunload()
}
@ -274,7 +274,7 @@ var m = (function app(window, undefined) {
}
//schedule configs to be called. They are called after `build` finishes running
if (typeof data.attrs["config"] === FUNCTION) {
var context = cached.configContext = cached.configContext || {};
var context = cached.configContext = cached.configContext || {retain: m.redraw.strategy() == "diff"};
// bind
var callback = function(data, args) {