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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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27
api/mount.js
View file

@ -3,27 +3,6 @@
var Vnode = require("../render/vnode")
module.exports = function(redrawService) {
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))
}
}
}
return function(root, component) {
if (component === null) {
redrawService.render(root, [])
@ -33,10 +12,10 @@ module.exports = function(redrawService) {
if (component.view == null) throw new Error("m.mount(element, component) expects a component, not a vnode")
var run = throttle(function() {
var run = function() {
redrawService.render(root, Vnode(component))
})
}
redrawService.subscribe(root, run)
run()
redrawService.redraw()
}
}

23
api/redraw.js
View file

@ -2,6 +2,27 @@
var coreRenderer = require("../render/render")
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))
}
}
}
module.exports = function($window) {
var renderService = coreRenderer($window)
renderService.setEventCallback(function(e) {
@ -11,7 +32,7 @@ module.exports = function($window) {
var callbacks = []
function subscribe(key, callback) {
unsubscribe(key)
callbacks.push(key, callback)
callbacks.push(key, throttle(callback))
}
function unsubscribe(key) {
var index = callbacks.indexOf(key)

4
api/router.js
View file

@ -17,11 +17,11 @@ module.exports = function($window, redrawService) {
current.resolve = null
redrawService.render(root, current.render(Vnode(component, undefined, params)))
}
var run = routeService.defineRoutes(routes, function(component, params, path, route, isRouteChange) {
var run = routeService.defineRoutes(routes, function(component, params, path, route, isAction) {
if (component.view) render({}, component, params, path)
else {
if (component.onmatch) {
if (isRouteChange === false && current.path === path || current.resolve != null) render(current, current.component, params)
if (isAction === false && current.path === path || current.resolve != null) render(current, current.component, params)
else {
current.resolve = function(resolved) {
render(component, resolved, params, path)

6
api/tests/test-mount.js
View file

@ -221,14 +221,16 @@ o.spec("mount", function() {
mount(root, {view: function() {i++}})
var before = i
redrawService.redraw()
redrawService.redraw()
redrawService.redraw()
redrawService.redraw()
var after = i
setTimeout(function(){
o(before).equals(1)
o(after).equals(1)
o(before).equals(1) // mounts synchronously
o(after).equals(1) // throttles rest
o(i).equals(2)
done()
},40)

27
api/tests/test-redraw.js
View file

@ -17,11 +17,13 @@ o.spec("redrawService", function() {
redrawService.redraw()
})
o("should run a single renderer entry", function() {
o("should run a single renderer entry", function(done) {
var spy = o.spy()
redrawService.subscribe(root, spy)
o(spy.callCount).equals(0)
redrawService.redraw()
o(spy.callCount).equals(1)
@ -30,10 +32,15 @@ o.spec("redrawService", function() {
redrawService.redraw()
redrawService.redraw()
o(spy.callCount).equals(4)
o(spy.callCount).equals(1)
setTimeout(function() {
o(spy.callCount).equals(2)
done()
}, 20)
})
o("should run all renderer entries", function() {
o("should run all renderer entries", function(done) {
var el1 = $document.createElement("div")
var el2 = $document.createElement("div")
var el3 = $document.createElement("div")
@ -53,9 +60,17 @@ o.spec("redrawService", function() {
redrawService.redraw()
o(spy1.callCount).equals(2)
o(spy2.callCount).equals(2)
o(spy3.callCount).equals(2)
o(spy1.callCount).equals(1)
o(spy2.callCount).equals(1)
o(spy3.callCount).equals(1)
setTimeout(function() {
o(spy1.callCount).equals(2)
o(spy2.callCount).equals(2)
o(spy3.callCount).equals(2)
done()
}, 20)
})
o("should stop running after unsubscribe", function() {

24
api/tests/test-router.js
View file

@ -608,6 +608,30 @@ o.spec("route", function() {
done()
}, 30)
})
o("throttles", function(done, timeout) {
timeout(200)
var i = 0
$window.location.href = prefix + "/"
route(root, "/", {
"/": {view: function(v) {i++}}
})
var before = i
redrawService.redraw()
redrawService.redraw()
redrawService.redraw()
redrawService.redraw()
var after = i
setTimeout(function(){
o(before).equals(1) // routes synchronously
o(after).equals(2) // redraws synchronously
o(i).equals(3) // throttles rest
done()
},40)
})
})
})
})

74
mithril.js
View file

@ -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)

80
mithril.min.js vendored
View file

@ -1,41 +1,41 @@
new function(){function t(a,f,g,c,d,h){return{tag:a,key:f,attrs:g,children:c,text:d,dom:h,domSize:void 0,state:{},events:void 0,instance:void 0,skip:!1}}function A(a){if(null==a||"string"!==typeof a&&null==a.view)throw Error("The selector must be either a string or a component.");if("string"===typeof a&&void 0===I[a]){for(var f,g,c=[],d={};f=N.exec(a);){var h=f[1],m=f[2];""===h&&""!==m?g=m:"#"===h?d.id=m:"."===h?c.push(m):"["===f[3][0]&&((h=f[6])&&(h=h.replace(/\\(["'])/g,"$1").replace(/\\\\/g,"\\")),
"class"===f[4]?c.push(h):d[f[4]]=h||!0)}0<c.length&&(d.className=c.join(" "));I[a]=function(a,c){var h=!1,b,f,v=a.className||a["class"],r;for(r in d)a[r]=d[r];void 0!==v&&(void 0!==a["class"]&&(a["class"]=void 0,a.className=v),void 0!==d.className&&(a.className=d.className+" "+v));for(r in a)if("key"!==r){h=!0;break}c instanceof Array&&1==c.length&&null!=c[0]&&"#"===c[0].tag?f=c[0].children:b=c;return t(g||"div",a.key,h?a:void 0,b,f,void 0)}}var z;null!=arguments[1]&&("object"!==typeof arguments[1]||
void 0!==arguments[1].tag||arguments[1]instanceof Array)?c=1:(z=arguments[1],c=2);if(arguments.length===c+1)f=arguments[c]instanceof Array?arguments[c]:[arguments[c]];else for(f=[];c<arguments.length;c++)f.push(arguments[c]);return"string"===typeof a?I[a](z||{},t.normalizeChildren(f)):t(a,z&&z.key,z||{},t.normalizeChildren(f),void 0,void 0)}t.normalize=function(a){return a instanceof Array?t("[",void 0,void 0,t.normalizeChildren(a),void 0,void 0):null!=a&&"object"!==typeof a?t("#",void 0,void 0,a,
void 0,void 0):a};t.normalizeChildren=function(a){for(var f=0;f<a.length;f++)a[f]=t.normalize(a[f]);return a};var N=/(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g,I={};A.trust=function(a){null==a&&(a="");return t("<",void 0,void 0,a,void 0,void 0)};A.fragment=function(a,f){return t("[",a.key,a,t.normalizeChildren(f),void 0,void 0)};var u=function(a){function f(a,b){return function v(f){var k;try{if(!b||null==f||"object"!==typeof f&&"function"!==typeof f||"function"!==
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[t("#",void 0,void 0,b.text,void 0,void 0)]),d(h,a.children,b.children,c,null,e))}else b.instance=t.normalize(b.tag.view.call(b.state,b)),A(b.tag,b,c,y),null!=b.instance?(null==a.instance?n(e,g(b.instance,c,v),h):k(e,a.instance,b.instance,c,h,y,v),b.dom=b.instance.dom,b.domSize=b.instance.domSize):null!=a.instance?(C(a.instance,null),b.dom=void 0,b.domSize=0):(b.dom=a.dom,b.domSize=a.domSize)}else C(a,null),n(e,g(b,c,v),h)}function m(b){var a=b.domSize;if(null!=a||null==b.dom){var e=B.createDocumentFragment();
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a.dom;if("key"!==b&&(c!==d||"value"===b||"checked"===b||"selectedIndex"===b||"selected"===b&&a.dom===B.activeElement||"object"===typeof d)&&"undefined"!==typeof d&&!L(b)){var l=b.indexOf(":");if(-1<l&&"xlink"===b.substr(0,l))e.setAttributeNS("http://www.w3.org/1999/xlink",b.slice(l+1),d);else if("o"===b[0]&&"n"===b[1]&&"function"===typeof d)H(a,b,d);else if("style"===b)if(a=c,a===d&&(e.style.cssText="",a=null),null==d)e.style.cssText="";else if("string"===typeof d)e.style.cssText=d;else{"string"===
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15
router/router.js
View file

@ -79,11 +79,7 @@ module.exports = function($window) {
}
function defineRoutes(routes, resolve, reject) {
if (supportsPushState) $window.onpopstate = debounceAsync(resolveRoute)
else if (prefix.charAt(0) === "#") $window.onhashchange = resolveRoute
resolveRoute(true)
function resolveRoute(isRouteChange) {
function resolveRoute(isAction) {
var path = getPath()
var params = {}
var pathname = parsePath(path, params, params)
@ -98,7 +94,7 @@ module.exports = function($window) {
for (var i = 0; i < keys.length; i++) {
params[keys[i].replace(/:|\./g, "")] = decodeURIComponent(values[i])
}
resolve(routes[route], params, path, route, Boolean(isRouteChange))
resolve(routes[route], params, path, route, Boolean(isAction))
})
return
}
@ -106,7 +102,12 @@ module.exports = function($window) {
reject(path, params)
}
return function() {resolveRoute(false)}
if (supportsPushState) $window.onpopstate = debounceAsync(resolveRoute)
else if (prefix.charAt(0) === "#") $window.onhashchange = resolveRoute
resolveRoute(true)
return resolveRoute
}
function link(vnode) {