vndb/mithril-vndb
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function() {} -> noop

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This commit is contained in:
Redstone Zhao 2015-05-31 09:26:25 +08:00
parent 26a6664cd0
commit 4c1d7892aa
1 changed files with 15 additions and 15 deletions
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30
mithril.js
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@ -57,7 +57,7 @@ var m = (function app(window, undefined) {
else { else {
cell.children = children cell.children = children
} }
for (var attrName in attrs) { for (var attrName in attrs) {
if (attrs.hasOwnProperty(attrName)) { if (attrs.hasOwnProperty(attrName)) {
if (attrName === classAttrName && attrs[attrName] != null && attrs[attrName] !== "") { if (attrName === classAttrName && attrs[attrName] != null && attrs[attrName] !== "") {
@ -68,7 +68,7 @@ var m = (function app(window, undefined) {
} }
} }
if (classes.length > 0) cell.attrs[classAttrName] = classes.join(" "); if (classes.length > 0) cell.attrs[classAttrName] = classes.join(" ");
return cell return cell
} }
function build(parentElement, parentTag, parentCache, parentIndex, data, cached, shouldReattach, index, editable, namespace, configs) { function build(parentElement, parentTag, parentCache, parentIndex, data, cached, shouldReattach, index, editable, namespace, configs) {
@ -124,7 +124,7 @@ var m = (function app(window, undefined) {
len = data.length len = data.length
} }
} }
var nodes = [], intact = cached.length === data.length, subArrayCount = 0; var nodes = [], intact = cached.length === data.length, subArrayCount = 0;
//keys algorithm: sort elements without recreating them if keys are present //keys algorithm: sort elements without recreating them if keys are present
@ -140,7 +140,7 @@ var m = (function app(window, undefined) {
existing[cached[i].attrs.key] = {action: DELETION, index: i} existing[cached[i].attrs.key] = {action: DELETION, index: i}
} }
} }
var guid = 0 var guid = 0
for (var i = 0, len = data.length; i < len; i++) { for (var i = 0, len = data.length; i < len; i++) {
if (data[i] && data[i].attrs && data[i].attrs.key != null) { if (data[i] && data[i].attrs && data[i].attrs.key != null) {
@ -150,7 +150,7 @@ var m = (function app(window, undefined) {
break break
} }
} }
if (shouldMaintainIdentities) { if (shouldMaintainIdentities) {
var keysDiffer = false var keysDiffer = false
if (data.length != cached.length) keysDiffer = true if (data.length != cached.length) keysDiffer = true
@ -160,7 +160,7 @@ var m = (function app(window, undefined) {
break break
} }
} }
if (keysDiffer) { if (keysDiffer) {
for (var i = 0, len = data.length; i < len; i++) { for (var i = 0, len = data.length; i < len; i++) {
if (data[i] && data[i].attrs) { if (data[i] && data[i].attrs) {
@ -224,7 +224,7 @@ var m = (function app(window, undefined) {
} }
if (!intact) { if (!intact) {
//diff the array itself //diff the array itself
//update the list of DOM nodes by collecting the nodes from each item //update the list of DOM nodes by collecting the nodes from each item
for (var i = 0, len = data.length; i < len; i++) { for (var i = 0, len = data.length; i < len; i++) {
if (cached[i] != null) nodes.push.apply(nodes, cached[i].nodes) if (cached[i] != null) nodes.push.apply(nodes, cached[i].nodes)
@ -277,7 +277,7 @@ var m = (function app(window, undefined) {
if (data.attrs.xmlns) namespace = data.attrs.xmlns; if (data.attrs.xmlns) namespace = data.attrs.xmlns;
else if (data.tag === "svg") namespace = "http://www.w3.org/2000/svg"; else if (data.tag === "svg") namespace = "http://www.w3.org/2000/svg";
else if (data.tag === "math") namespace = "http://www.w3.org/1998/Math/MathML"; else if (data.tag === "math") namespace = "http://www.w3.org/1998/Math/MathML";
if (isNew) { if (isNew) {
if (data.attrs.is) node = namespace === undefined ? $document.createElement(data.tag, data.attrs.is) : $document.createElementNS(namespace, data.tag, data.attrs.is); if (data.attrs.is) node = namespace === undefined ? $document.createElement(data.tag, data.attrs.is) : $document.createElementNS(namespace, data.tag, data.attrs.is);
else node = namespace === undefined ? $document.createElement(data.tag) : $document.createElementNS(namespace, data.tag); else node = namespace === undefined ? $document.createElement(data.tag) : $document.createElementNS(namespace, data.tag);
@ -302,7 +302,7 @@ var m = (function app(window, undefined) {
} }
} }
} }
if (cached.children && !cached.children.nodes) cached.children.nodes = []; if (cached.children && !cached.children.nodes) cached.children.nodes = [];
//edge case: setting value on <select> doesn't work before children exist, so set it again after children have been created //edge case: setting value on <select> doesn't work before children exist, so set it again after children have been created
if (data.tag === "select" && "value" in data.attrs) setAttributes(node, data.tag, {value: data.attrs.value}, {}, namespace); if (data.tag === "select" && "value" in data.attrs) setAttributes(node, data.tag, {value: data.attrs.value}, {}, namespace);
@ -569,7 +569,7 @@ var m = (function app(window, undefined) {
if (!root) throw new Error("Please ensure the DOM element exists before rendering a template into it."); if (!root) throw new Error("Please ensure the DOM element exists before rendering a template into it.");
var index = roots.indexOf(root); var index = roots.indexOf(root);
if (index < 0) index = roots.length; if (index < 0) index = roots.length;
var isPrevented = false; var isPrevented = false;
var event = {preventDefault: function() { var event = {preventDefault: function() {
isPrevented = true; isPrevented = true;
@ -583,17 +583,17 @@ var m = (function app(window, undefined) {
for (var i = 0, unloader; unloader = unloaders[i]; i++) unloader.controller.onunload = unloader.handler for (var i = 0, unloader; unloader = unloaders[i]; i++) unloader.controller.onunload = unloader.handler
} }
else unloaders = [] else unloaders = []
if (controllers[index] && typeof controllers[index].onunload === FUNCTION) { if (controllers[index] && typeof controllers[index].onunload === FUNCTION) {
controllers[index].onunload(event) controllers[index].onunload(event)
} }
if (!isPrevented) { if (!isPrevented) {
m.redraw.strategy("all"); m.redraw.strategy("all");
m.startComputation(); m.startComputation();
roots[index] = root; roots[index] = root;
if (arguments.length > 2) component = subcomponent(component, [].slice.call(arguments, 2)) if (arguments.length > 2) component = subcomponent(component, [].slice.call(arguments, 2))
var currentComponent = topComponent = component = component || {controller: function() {}}; var currentComponent = topComponent = component = component || {controller: noop};
var constructor = component.controller || noop var constructor = component.controller || noop
var controller = new constructor; var controller = new constructor;
//controllers may call m.mount recursively (via m.route redirects, for example) //controllers may call m.mount recursively (via m.route redirects, for example)
@ -826,7 +826,7 @@ var m = (function app(window, undefined) {
} }
function parseQueryString(str) { function parseQueryString(str) {
if (str.charAt(0) === "?") str = str.substring(1); if (str.charAt(0) === "?") str = str.substring(1);
var pairs = str.split("&"), params = {}; var pairs = str.split("&"), params = {};
for (var i = 0, len = pairs.length; i < len; i++) { for (var i = 0, len = pairs.length; i < len; i++) {
var pair = pairs[i].split("="); var pair = pairs[i].split("=");
@ -842,7 +842,7 @@ var m = (function app(window, undefined) {
} }
m.route.buildQueryString = buildQueryString m.route.buildQueryString = buildQueryString
m.route.parseQueryString = parseQueryString m.route.parseQueryString = parseQueryString
function reset(root) { function reset(root) {
var cacheKey = getCellCacheKey(root); var cacheKey = getCellCacheKey(root);
clear(root.childNodes, cellCache[cacheKey]); clear(root.childNodes, cellCache[cacheKey]);