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throttle m.route redraws

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This commit is contained in:
Leo Horie 2016-12-04 01:53:39 -05:00
parent 7368cf6f26
commit 2ffd2fb7e4
9 changed files with 161 additions and 119 deletions
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74
mithril.js
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@ -881,7 +881,7 @@ var coreRenderer = function($window) {
if (!dom) throw new Error("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.")
var hooks = []
var active = $doc.activeElement
// First time rendering into a node clears it out
// First time0 rendering into a node clears it out
if (dom.vnodes == null) dom.textContent = ""
if (!(vnodes instanceof Array)) vnodes = [vnodes]
updateNodes(dom, dom.vnodes, Vnode.normalizeChildren(vnodes), hooks, null, undefined)
@ -891,6 +891,26 @@ var coreRenderer = function($window) {
}
return {render: render, setEventCallback: setEventCallback}
}
function throttle(callback) {
//60fps translates to 16.6ms, round it down since setTimeout requires int
var time = 16
var last = 0, pending = null
var timeout = typeof requestAnimationFrame === "function" ? requestAnimationFrame : setTimeout
return function() {
var now = Date.now()
if (last === 0 || now - last >= time) {
last = now
callback()
}
else if (pending === null) {
pending = timeout(function() {
pending = null
callback()
last = Date.now()
}, time - (now - last))
}
}
}
var _11 = function($window) {
var renderService = coreRenderer($window)
renderService.setEventCallback(function(e) {
@ -900,7 +920,7 @@ var _11 = function($window) {
var callbacks = []
function subscribe(key1, callback) {
unsubscribe(key1)
callbacks.push(key1, callback)
callbacks.push(key1, throttle(callback))
}
function unsubscribe(key1) {
var index = callbacks.indexOf(key1)
@ -916,27 +936,6 @@ var _11 = function($window) {
var redrawService = _11(window)
requestService.setCompletionCallback(redrawService.redraw)
var _16 = function(redrawService0) {
function throttle(callback0) {
//60fps translates to 16.6ms, round it down since setTimeout requires int
var time = 16
var last = 0, pending = null
var timeout = typeof requestAnimationFrame === "function" ? requestAnimationFrame : setTimeout
return function() {
var now = Date.now()
if (last === 0 || now - last >= time) {
last = now
callback0()
}
else if (pending === null) {
pending = timeout(function() {
pending = null
callback0()
last = Date.now()
}, time - (now - last))
}
}
}
return function(root, component) {
if (component === null) {
redrawService0.render(root, [])
@ -946,11 +945,11 @@ var _16 = function(redrawService0) {
if (component.view == null) throw new Error("m.mount(element, component) expects a component, not a vnode")
var run0 = throttle(function() {
var run0 = function() {
redrawService0.render(root, Vnode(component))
})
}
redrawService0.subscribe(root, run0)
run0()
redrawService0.redraw()
}
}
m.mount = _16(redrawService)
@ -1049,11 +1048,7 @@ var coreRouter = function($window) {
else $window.location.href = prefix1 + path
}
function defineRoutes(routes, resolve, reject) {
if (supportsPushState) $window.onpopstate = debounceAsync(resolveRoute)
else if (prefix1.charAt(0) === "#") $window.onhashchange = resolveRoute
resolveRoute(true)
function resolveRoute(isRouteChange) {
function resolveRoute(isAction) {
var path = getPath()
var params = {}
var pathname = parsePath(path, params, params)
@ -1067,14 +1062,19 @@ var coreRouter = function($window) {
for (var i = 0; i < keys.length; i++) {
params[keys[i].replace(/:|\./g, "")] = decodeURIComponent(values[i])
}
resolve(routes[route0], params, path, route0, Boolean(isRouteChange))
resolve(routes[route0], params, path, route0, Boolean(isAction))
})
return
}
}
reject(path, params)
}
return function() {resolveRoute(false)}
if (supportsPushState) $window.onpopstate = debounceAsync(resolveRoute)
else if (prefix1.charAt(0) === "#") $window.onhashchange = resolveRoute
resolveRoute(true)
return resolveRoute
}
function link(vnode2) {
vnode2.dom.setAttribute("href", prefix1 + vnode2.attrs.href)
@ -1103,11 +1103,11 @@ var _20 = function($window, redrawService0) {
current.resolve = null
redrawService0.render(root, current.render(Vnode(component, undefined, params)))
}
var run1 = routeService.defineRoutes(routes, function(component, params, path, route, isRouteChange) {
var run1 = routeService.defineRoutes(routes, function(component, params, path, route, isAction) {
if (component.view) render1({}, component, params, path)
else {
if (component.onmatch) {
if (isRouteChange === false && current.path === path || current.resolve != null) render1(current, current.component, params)
if (isAction === false && current.path === path || current.resolve != null) render1(current, current.component, params)
else {
current.resolve = function(resolved) {
render1(component, resolved, params, path)
@ -1131,9 +1131,9 @@ var _20 = function($window, redrawService0) {
return route
}
m.route = _20(window, redrawService)
m.withAttr = function(attrName, callback1, context) {
m.withAttr = function(attrName, callback0, context) {
return function(e) {
return callback1.call(context || this, attrName in e.currentTarget ? e.currentTarget[attrName] : e.currentTarget.getAttribute(attrName))
return callback0.call(context || this, attrName in e.currentTarget ? e.currentTarget[attrName] : e.currentTarget.getAttribute(attrName))
}
}
var _27 = coreRenderer(window)