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Bundled output for commit 44e165a357 [skip ci]

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Gandalf-the-Bot 2018-04-23 11:54:15 +00:00
parent 44e165a357
commit 117fac91a7
3 changed files with 148 additions and 121 deletions
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2
README.md
View file

@ -18,7 +18,7 @@ mithril.js [![NPM Version](https://img.shields.io/npm/v/mithril.svg)](https://ww
## What is Mithril?
A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.34 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.30 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
Mithril is used by companies like Vimeo and Nike, and open source platforms like Lichess 👍.

177
mithril.js
View file

@ -452,18 +452,17 @@ var coreRenderer = function($window) {
vnode.state = {}
if (vnode.attrs != null) initLifecycle(vnode.attrs, vnode, hooks)
switch (tag) {
case "#": return createText(parent, vnode, nextSibling)
case "<": return createHTML(parent, vnode, ns, nextSibling)
case "[": return createFragment(parent, vnode, hooks, ns, nextSibling)
default: return createElement(parent, vnode, hooks, ns, nextSibling)
case "#": createText(parent, vnode, nextSibling); break
case "<": createHTML(parent, vnode, ns, nextSibling); break
case "[": createFragment(parent, vnode, hooks, ns, nextSibling); break
default: createElement(parent, vnode, hooks, ns, nextSibling)
}
}
else return createComponent(parent, vnode, hooks, ns, nextSibling)
else createComponent(parent, vnode, hooks, ns, nextSibling)
}
function createText(parent, vnode, nextSibling) {
vnode.dom = $doc.createTextNode(vnode.children)
insertNode(parent, vnode.dom, nextSibling)
return vnode.dom
}
var possibleParents = {caption: "table", thead: "table", tbody: "table", tfoot: "table", tr: "tbody", th: "tr", td: "tr", colgroup: "table", col: "colgroup"}
function createHTML(parent, vnode, ns, nextSibling) {
@ -488,7 +487,6 @@ var coreRenderer = function($window) {
fragment.appendChild(child)
}
insertNode(parent, fragment, nextSibling)
return fragment
}
function createFragment(parent, vnode, hooks, ns, nextSibling) {
var fragment = $doc.createDocumentFragment()
@ -499,7 +497,6 @@ var coreRenderer = function($window) {
vnode.dom = fragment.firstChild
vnode.domSize = fragment.childNodes.length
insertNode(parent, fragment, nextSibling)
return fragment
}
function createElement(parent, vnode, hooks, ns, nextSibling) {
var tag = vnode.tag
@ -528,7 +525,6 @@ var coreRenderer = function($window) {
setLateAttrs(vnode)
}
}
return element
}
function initComponent(vnode, hooks) {
var sentinel
@ -553,15 +549,12 @@ var coreRenderer = function($window) {
function createComponent(parent, vnode, hooks, ns, nextSibling) {
initComponent(vnode, hooks)
if (vnode.instance != null) {
var element = createNode(parent, vnode.instance, hooks, ns, nextSibling)
createNode(parent, vnode.instance, hooks, ns, nextSibling)
vnode.dom = vnode.instance.dom
vnode.domSize = vnode.dom != null ? vnode.instance.domSize : 0
insertNode(parent, element, nextSibling)
return element
}
else {
vnode.domSize = 0
return $emptyFragment
}
}
//update
@ -588,10 +581,8 @@ var coreRenderer = function($window) {
//
// The updateNodes() function:
// - deals with trivial cases
// - determines whether the lists are keyed or unkeyed
// (Currently we look for the first pair of non-null nodes and deem the lists unkeyed
// if both nodes are unkeyed. TODO (v2) We may later take advantage of the fact that
// mixed diff is not supported and settle on the keyedness of the first vnode we find)
// - determines whether the lists are keyed or unkeyed based on the first non-null node
// of each list.
// - diffs them and patches the DOM if needed (that's the brunt of the code)
// - manages the leftovers: after diffing, are there:
// - old nodes left to remove?
@ -602,13 +593,14 @@ var coreRenderer = function($window) {
// are visited in the fourth part of the diff and in the `removeNodes` loop.
// ## Diffing
//
// There's first a simple diff for unkeyed lists of equal length.
// If one list is keyed and the other is unkeyed, the old is removed, and the new one is
// inserted (since the keys are guaranteed to differ).
//
// Then comes the main diff algorithm that is split in four parts (simplifying a bit).
// Then comes the unkeyed diff algo, and at last0, the keyed diff algorithm that is split
// in four parts (simplifying a bit).
//
// The first part goes through both lists top-down as long as the nodes at each level have
// the same key2. This is always true for unkeyed lists that are entirely processed by this
// step.
// the same key2.
//
// The second part deals with lists reversals, and traverses one list top-down and the other
// bottom-up (as long as the keys match1).
@ -633,10 +625,23 @@ var coreRenderer = function($window) {
// It should be noted that the description of the four sections above is not perfect, because those
// parts are actually implemented as only two loops, one for the first two parts, and one for
// the other two. I'm1 not sure it wins us anything except maybe a few bytes of file size.
// ## DOM node operations
// ## Finding the next0 sibling.
//
// In most cases `updateNode()` and `createNode()` perform the DOM operations. However,
// this is not the case if the node moved (second and fourth part of the diff algo).
// `updateNode()` and `createNode()` expect a nextSibling parameter to perform DOM operations.
// When the list is being traversed top-down, at any index0, the DOM nodes up to the previous
// vnode reflect the content of the new list, whereas the rest of the DOM nodes reflect the old
// list. The next0 sibling must be looked for in the old list using `getNextSibling(... oldStart + 1 ...)`.
//
// In the other scenarios (swaps, upwards traversal, map-based diff),
// the new vnodes list is traversed upwards. The DOM nodes at the bottom of the list reflect the
// bottom part of the new vnodes list, and we can use the `v.dom` value of the previous node
// as the next0 sibling (cached0 in the `nextSibling` variable).
// ## DOM node moves
//
// In most scenarios `updateNode()` and `createNode()` perform the DOM operations. However,
// this is not the case if the node moved (second and fourth part of the diff algo). We move
// the old DOM nodes before updateNode runs0 because it enables us to use the cached0 `nextSibling`
// variable rather than fetching it using `getNextSibling()`.
//
// The fourth part of the diff currently inserts nodes unconditionally, leading to issues
// like #1791 and #1999. We need to be smarter about those situations where adjascent old
@ -647,83 +652,105 @@ var coreRenderer = function($window) {
else if (old == null) createNodes(parent, vnodes, 0, vnodes.length, hooks, nextSibling, ns)
else if (vnodes == null) removeNodes(old, 0, old.length)
else {
var start = 0, commonLength = Math.min(old.length, vnodes.length), isUnkeyed = false
for(; start < commonLength; start++) {
if (old[start] != null && vnodes[start] != null) {
if (old[start].key == null && vnodes[start].key == null) isUnkeyed = true
// default to keyed because, when either list is full of null nodes, it has fewer branches
var start = 0, oldStart = 0, isOldKeyed = true, isKeyed = true
for (; oldStart < old.length; oldStart++) {
if (old[oldStart] != null) {
isOldKeyed = old[oldStart].key != null
break
}
}
if (isUnkeyed && old.length === vnodes.length) {
for (start = 0; start < vnodes.length; start++) {
if (old[start] === vnodes[start] || old[start] == null && vnodes[start] == null) continue
else if (old[start] == null) createNode(parent, vnodes[start], hooks, ns, getNextSibling(old, start + 1, nextSibling))
else if (vnodes[start] == null) removeNodes(old, start, start + 1)
else updateNode(parent, old[start], vnodes[start], hooks, getNextSibling(old, start + 1, nextSibling), ns)
for (; start < vnodes.length; start++) {
if (vnodes[start] != null) {
isKeyed = vnodes[start].key != null
break
}
}
if (isOldKeyed !== isKeyed) {
removeNodes(old, oldStart, old.length)
createNodes(parent, vnodes, start, vnodes.length, hooks, nextSibling, ns)
return
}
var oldStart = start = 0, oldEnd = old.length - 1, end = vnodes.length - 1, map, o, v
if (!isKeyed) {
// Don't index0 past the end of either list (causes deopts).
var commonLength = old.length < vnodes.length ? old.length : vnodes.length
// Rewind if necessary to the first non-null index0 on either side.
// We could alternatively either explicitly create or remove nodes when `start !== oldStart`
// but that would be optimizing for sparse lists which are more rare than dense ones.
start = start < oldStart ? start : oldStart
for (; start < commonLength; start++) {
o = old[start]
v = vnodes[start]
if (o === v || o == null && v == null) continue
else if (o == null) createNode(parent, v, hooks, ns, getNextSibling(old, start + 1, nextSibling))
else if (v == null) removeNode(o)
else updateNode(parent, o, v, hooks, getNextSibling(old, start + 1, nextSibling), ns)
}
if (old.length > commonLength) removeNodes(old, start, old.length)
if (vnodes.length > commonLength) createNodes(parent, vnodes, start, vnodes.length, hooks, nextSibling, ns)
return
}
// keyed diff
var oldEnd = old.length - 1, end = vnodes.length - 1, map, o, v
while (oldEnd >= oldStart && end >= start) {
// both top-down
o = old[oldStart]
v = vnodes[start]
if (o === v || o == null && v == null) oldStart++, start++
else if (o == null) {
if (isUnkeyed || v.key == null) {
createNode(parent, vnodes[start], hooks, ns, getNextSibling(old, ++start, nextSibling))
}
oldStart++
} else if (v == null) {
if (isUnkeyed || o.key == null) {
removeNodes(old, start, start + 1)
oldStart++
}
start++
} else if (o.key === v.key) {
if (o == null) oldStart++
else if (v == null) start++
else if (o.key === v.key) {
oldStart++, start++
updateNode(parent, o, v, hooks, getNextSibling(old, oldStart, nextSibling), ns)
if (o !== v) updateNode(parent, o, v, hooks, getNextSibling(old, oldStart, nextSibling), ns)
} else {
o = old[oldEnd]
if (o === v) oldEnd--, start++
else if (o == null) oldEnd--
else if (v == null) start++
// reversal: old top-down, new bottom-up
v = vnodes[end]
if (o == null) oldStart++
else if (v == null) end--
else if (o.key === v.key) {
updateNode(parent, o, v, hooks, getNextSibling(old, oldEnd + 1, nextSibling), ns)
if (start < end) insertNode(parent, toFragment(v), getNextSibling(old, oldStart, nextSibling))
oldEnd--, start++
oldStart++
if (start < end--) insertNode(parent, toFragment(o), nextSibling)
if (o !== v) updateNode(parent, o, v, hooks, nextSibling, ns)
if (v.dom != null) nextSibling = v.dom
}
else break
}
}
while (oldEnd >= oldStart && end >= start) {
// both bottom-up
o = old[oldEnd]
v = vnodes[end]
if (o === v) oldEnd--, end--
else if (o == null) oldEnd--
if (o == null) oldEnd--
else if (v == null) end--
else if (o.key === v.key) {
updateNode(parent, o, v, hooks, getNextSibling(old, oldEnd + 1, nextSibling), ns)
if (o.dom != null) nextSibling = o.dom
if (o !== v) updateNode(parent, o, v, hooks, nextSibling, ns)
if (v.dom != null) nextSibling = v.dom
oldEnd--, end--
} else {
if (!map) map = getKeyMap(old, oldEnd)
// old map-based, new bottom-up
if (map == null) {
// the last0 node can be left out of the map because it will be caught by the
// bottom-up part of the diff loop. If we were to refactor this to use distinct
// loops, we'd have to pass `oldEnd + 1` (or change `start < end` to `<=` in getKeyMap).
map = getKeyMap(old, oldStart, oldEnd)
}
if (v != null) {
var oldIndex = map[v.key]
if (oldIndex != null) {
o = old[oldIndex]
updateNode(parent, o, v, hooks, getNextSibling(old, oldEnd + 1, nextSibling), ns)
insertNode(parent, toFragment(v), nextSibling)
o.skip = true
if (o.dom != null) nextSibling = o.dom
if (oldIndex == null) {
createNode(parent, v, hooks, ns, nextSibling)
if (v.dom != null) nextSibling = v.dom
} else {
var dom = createNode(parent, v, hooks, ns, nextSibling)
nextSibling = dom
o = old[oldIndex]
insertNode(parent, toFragment(o), nextSibling)
if (o !== v) updateNode(parent, o, v, hooks, nextSibling, ns)
o.skip = true
if (v.dom != null) nextSibling = v.dom
}
}
end--
}
if (end < start) break
}
// deal with the leftovers.
createNodes(parent, vnodes, start, end + 1, hooks, nextSibling, ns)
removeNodes(old, oldStart, oldEnd + 1)
}
@ -824,13 +851,13 @@ var coreRenderer = function($window) {
vnode.domSize = old.domSize
}
}
function getKeyMap(vnodes, end) {
var map = {}, i = 0
for (var i = 0; i < end; i++) {
var vnode = vnodes[i]
function getKeyMap(vnodes, start, end) {
var map = {}
for (; start < end; start++) {
var vnode = vnodes[start]
if (vnode != null) {
var key2 = vnode.key
if (key2 != null) map[key2] = i
if (key2 != null) map[key2] = start
}
}
return map
@ -855,7 +882,7 @@ var coreRenderer = function($window) {
return nextSibling
}
function insertNode(parent, dom, nextSibling) {
if (nextSibling) parent.insertBefore(dom, nextSibling)
if (nextSibling != null) parent.insertBefore(dom, nextSibling)
else parent.appendChild(dom)
}
function setContentEditable(vnode) {

90
mithril.min.js vendored
View file

@ -1,45 +1,45 @@
(function(){function w(a,b,f,g,r,l){return{tag:a,key:b,attrs:f,children:g,text:r,dom:l,domSize:void 0,state:void 0,events:void 0,instance:void 0,skip:!1}}function N(a){for(var b in a)if(B.call(a,b))return!1;return!0}function u(a){var b=arguments[1],f=2;if(null==a||"string"!==typeof a&&"function"!==typeof a&&"function"!==typeof a.view)throw Error("The selector must be either a string or a component.");if("string"===typeof a){var g;if(!(g=O[a])){var r="div";for(var l=[],k={};g=R.exec(a);){var m=g[1],
t=g[2];""===m&&""!==t?r=t:"#"===m?k.id=t:"."===m?l.push(t):"["===g[3][0]&&((m=g[6])&&(m=m.replace(/\\(["'])/g,"$1").replace(/\\\\/g,"\\")),"class"===g[4]?l.push(m):k[g[4]]=""===m?m:m||!0)}0<l.length&&(k.className=l.join(" "));g=O[a]={tag:r,attrs:k}}}if(null==b)b={};else if("object"!==typeof b||null!=b.tag||Array.isArray(b))b={},f=1;if(arguments.length===f+1)r=arguments[f],Array.isArray(r)||(r=[r]);else for(r=[];f<arguments.length;)r.push(arguments[f++]);f=w.normalizeChildren(r);if("string"===typeof a){r=
!1;var e,y;l=b.className||b["class"];if(!N(g.attrs)&&!N(b)){k={};for(var d in b)B.call(b,d)&&(k[d]=b[d]);b=k}for(d in g.attrs)B.call(g.attrs,d)&&(b[d]=g.attrs[d]);void 0!==l&&(void 0!==b["class"]&&(b["class"]=void 0,b.className=l),null!=g.attrs.className&&(b.className=g.attrs.className+" "+l));for(d in b)if(B.call(b,d)&&"key"!==d){r=!0;break}Array.isArray(f)&&1===f.length&&null!=f[0]&&"#"===f[0].tag?y=f[0].children:e=f;return w(g.tag,b.key,r?b:void 0,e,y)}return w(a,b.key,b,f)}function S(a){var b=
0,f=null,g="function"===typeof requestAnimationFrame?requestAnimationFrame:setTimeout;return function(){var r=Date.now()-b;null===f&&(f=g(function(){f=null;a();b=Date.now()},16-r))}}w.normalize=function(a){return Array.isArray(a)?w("[",void 0,void 0,w.normalizeChildren(a),void 0,void 0):null!=a&&"object"!==typeof a?w("#",void 0,void 0,!1===a?"":a,void 0,void 0):a};w.normalizeChildren=function(a){for(var b=0;b<a.length;b++)a[b]=w.normalize(a[b]);return a};var R=/(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g,
O={},B={}.hasOwnProperty;u.trust=function(a){null==a&&(a="");return w("<",void 0,void 0,a,void 0,void 0)};u.fragment=function(a,b){return w("[",a.key,a,w.normalizeChildren(b),void 0,void 0)};var h=function(a){function b(a,d){return function H(b){var x;try{if(!d||null==b||"object"!==typeof b&&"function"!==typeof b||"function"!==typeof(x=b.then))e(function(){d||0!==a.length||console.error("Possible unhandled promise rejection:",b);for(var f=0;f<a.length;f++)a[f](b);r.length=0;l.length=0;t.state=d;t.retry=
function(){H(b)}});else{if(b===g)throw new TypeError("Promise can't be resolved w/ itself");f(x.bind(b))}}catch(T){m(T)}}}function f(a){function d(d){return function(a){0<b++||d(a)}}var b=0,f=d(m);try{a(d(k),f)}catch(H){f(H)}}if(!(this instanceof h))throw Error("Promise must be called with `new`");if("function"!==typeof a)throw new TypeError("executor must be a function");var g=this,r=[],l=[],k=b(r,!0),m=b(l,!1),t=g._instance={resolvers:r,rejectors:l},e="function"===typeof setImmediate?setImmediate:
setTimeout;f(a)};h.prototype.then=function(a,b){function f(a,b,f,k){b.push(function(d){if("function"!==typeof a)f(d);else try{r(a(d))}catch(A){l&&l(A)}});"function"===typeof g.retry&&k===g.state&&g.retry()}var g=this._instance,r,l,k=new h(function(a,b){r=a;l=b});f(a,g.resolvers,r,!0);f(b,g.rejectors,l,!1);return k};h.prototype["catch"]=function(a){return this.then(null,a)};h.prototype["finally"]=function(a){return this.then(function(b){return h.resolve(a()).then(function(){return b})},function(b){return h.resolve(a()).then(function(){return h.reject(b)})})};
h.resolve=function(a){return a instanceof h?a:new h(function(b){b(a)})};h.reject=function(a){return new h(function(b,f){f(a)})};h.all=function(a){return new h(function(b,f){var g=a.length,r=0,l=[];if(0===a.length)b([]);else for(var k=0;k<a.length;k++)(function(m){function t(a){r++;l[m]=a;r===g&&b(l)}null==a[m]||"object"!==typeof a[m]&&"function"!==typeof a[m]||"function"!==typeof a[m].then?t(a[m]):a[m].then(t,f)})(k)})};h.race=function(a){return new h(function(b,f){for(var g=0;g<a.length;g++)a[g].then(b,
f)})};"undefined"!==typeof window?("undefined"===typeof window.Promise?window.Promise=h:window.Promise.prototype["finally"]||(window.Promise.prototype["finally"]=h.prototype["finally"]),h=window.Promise):"undefined"!==typeof global&&("undefined"===typeof global.Promise?global.Promise=h:global.Promise.prototype["finally"]||(global.Promise.prototype["finally"]=h.prototype["finally"]),h=global.Promise);var D=function(a){function b(a,g){if(Array.isArray(g))for(var r=0;r<g.length;r++)b(a+"["+r+"]",g[r]);
else if("[object Object]"===Object.prototype.toString.call(g))for(r in g)b(a+"["+r+"]",g[r]);else f.push(encodeURIComponent(a)+(null!=g&&""!==g?"="+encodeURIComponent(g):""))}if("[object Object]"!==Object.prototype.toString.call(a))return"";var f=[],g;for(g in a)b(g,a[g]);return f.join("&")},U=/^file:\/\//i,L=function(a,b){function f(){function d(){0===--a&&"function"===typeof y&&y()}var a=0;return function C(b){var f=b.then;b.then=function(){a++;var g=f.apply(b,arguments);g.then(d,function(b){d();
if(0===a)throw b;});return C(g)};return b}}function g(d,a){if("string"===typeof d){var b=d;d=a||{};null==d.url&&(d.url=b)}return d}function r(d,a){if(null==a)return d;for(var b=d.match(/:[^\/]+/gi)||[],f=0;f<b.length;f++){var g=b[f].slice(1);null!=a[g]&&(d=d.replace(b[f],a[g]))}return d}function l(d,a){var b=D(a);if(""!==b){var f=0>d.indexOf("?")?"?":"&";d+=f+b}return d}function k(d){try{return""!==d?JSON.parse(d):null}catch(A){throw Error(d);}}function m(d){return d.responseText}function t(d,a){if("function"===
typeof d)if(Array.isArray(a))for(var b=0;b<a.length;b++)a[b]=new d(a[b]);else return new d(a);return a}var e=0,y;return{request:function(d,e){var x=f();d=g(d,e);var A=new b(function(b,f){null==d.method&&(d.method="GET");d.method=d.method.toUpperCase();var g="GET"===d.method||"TRACE"===d.method?!1:"boolean"===typeof d.useBody?d.useBody:!0;"function"!==typeof d.serialize&&(d.serialize="undefined"!==typeof FormData&&d.data instanceof FormData?function(d){return d}:JSON.stringify);"function"!==typeof d.deserialize&&
(d.deserialize=k);"function"!==typeof d.extract&&(d.extract=m);d.url=r(d.url,d.data);g?d.data=d.serialize(d.data):d.url=l(d.url,d.data);var e=new a.XMLHttpRequest,x=!1,A=e.abort;e.abort=function(){x=!0;A.call(e)};e.open(d.method,d.url,"boolean"===typeof d.async?d.async:!0,"string"===typeof d.user?d.user:void 0,"string"===typeof d.password?d.password:void 0);d.serialize!==JSON.stringify||!g||d.headers&&d.headers.hasOwnProperty("Content-Type")||e.setRequestHeader("Content-Type","application/json; charset=utf-8");
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