From 3ad03980ea38443680aa85fdb53b1b6a3001e150 Mon Sep 17 00:00:00 2001 From: the lemons Date: Tue, 30 Mar 2021 22:09:57 -0500 Subject: all shall submit to QOL. also, other cleanup things --- game.js | 12 +- index.html | 3 +- mithril.js | 1842 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1853 insertions(+), 4 deletions(-) create mode 100644 mithril.js diff --git a/game.js b/game.js index b8e6d32..a8c8eb5 100644 --- a/game.js +++ b/game.js @@ -51,7 +51,9 @@ var ThingButton = { view: ()=>{ - return m("button",{onclick:()=>{if (!sdata.autothing) am.thing.amount+=1}},sdata.autothing?"Unavailable":"Attain a thing"); + return m("button",{ + onclick:()=>{if (!sdata.autothing) am.thing.amount+=1} + },sdata.autothing?"Unavailable":"Attain a thing"); } } @@ -59,7 +61,9 @@ view: ()=>{ return m("button",{onclick:()=>sdata.autothing = !sdata.autothing},[ "AutoThing™ ", - m("span",{style:"color:"+(sdata.autothing?"lime":"grey")+";"},sdata.autothing?"ON":"OFF"), + m("span",{ + style:"color:"+(sdata.autothing?"lime":"grey")+";"}, + sdata.autothing?"ON":"OFF"), ]); } } @@ -109,7 +113,9 @@ let a = vnode.attrs; return m(".currencydisplay",[ m(CIcon,{currency:a.currency}), - m(".currencycount",{style:"color:"+cdata[a.currency].color},a.amount==undefined?"oh bee something broke":a.amount), + m(".currencycount",{ + style:"color:"+cdata[a.currency].color}, + a.amount==undefined?"oh bee something broke":a.amount), ]); } } diff --git a/index.html b/index.html index 140d1cb..5305b13 100644 --- a/index.html +++ b/index.html @@ -1,5 +1,6 @@ + - + diff --git a/mithril.js b/mithril.js new file mode 100644 index 0000000..377e0a5 --- /dev/null +++ b/mithril.js @@ -0,0 +1,1842 @@ +;(function() { +"use strict" +function Vnode(tag, key, attrs0, children0, text, dom) { + return {tag: tag, key: key, attrs: attrs0, children: children0, text: text, dom: dom, domSize: undefined, state: undefined, events: undefined, instance: undefined} +} +Vnode.normalize = function(node) { + if (Array.isArray(node)) return Vnode("[", undefined, undefined, Vnode.normalizeChildren(node), undefined, undefined) + if (node == null || typeof node === "boolean") return null + if (typeof node === "object") return node + return Vnode("#", undefined, undefined, String(node), undefined, undefined) +} +Vnode.normalizeChildren = function(input) { + var children0 = [] + if (input.length) { + var isKeyed = input[0] != null && input[0].key != null + // Note: this is a *very* perf-sensitive check. + // Fun fact: merging the loop like this is somehow faster than splitting + // it, noticeably so. + for (var i = 1; i < input.length; i++) { + if ((input[i] != null && input[i].key != null) !== isKeyed) { + throw new TypeError("Vnodes must either always have keys or never have keys!") + } + } + for (var i = 0; i < input.length; i++) { + children0[i] = Vnode.normalize(input[i]) + } + } + return children0 +} +// Call via `hyperscriptVnode0.apply(startOffset, arguments)` +// +// The reason I do it this way, forwarding the arguments and passing the start +// offset in `this`, is so I don't have to create a temporary array in a +// performance-critical path. +// +// In native ES6, I'd instead add a final `...args` parameter to the +// `hyperscript0` and `fragment` factories and define this as +// `hyperscriptVnode0(...args)`, since modern engines do optimize that away. But +// ES5 (what Mithril requires thanks to IE support) doesn't give me that luxury, +// and engines aren't nearly intelligent enough to do either of these: +// +// 1. Elide the allocation for `[].slice.call(arguments, 1)` when it's passed to +// another function only to be indexed. +// 2. Elide an `arguments` allocation when it's passed to any function other +// than `Function.prototype.apply` or `Reflect.apply`. +// +// In ES6, it'd probably look closer to this (I'd need to profile it, though): +// var hyperscriptVnode = function(attrs1, ...children1) { +// if (attrs1 == null || typeof attrs1 === "object" && attrs1.tag == null && !Array.isArray(attrs1)) { +// if (children1.length === 1 && Array.isArray(children1[0])) children1 = children1[0] +// } else { +// children1 = children1.length === 0 && Array.isArray(attrs1) ? attrs1 : [attrs1, ...children1] +// attrs1 = undefined +// } +// +// if (attrs1 == null) attrs1 = {} +// return Vnode("", attrs1.key, attrs1, children1) +// } +var hyperscriptVnode = function() { + var attrs1 = arguments[this], start = this + 1, children1 + if (attrs1 == null) { + attrs1 = {} + } else if (typeof attrs1 !== "object" || attrs1.tag != null || Array.isArray(attrs1)) { + attrs1 = {} + start = this + } + if (arguments.length === start + 1) { + children1 = arguments[start] + if (!Array.isArray(children1)) children1 = [children1] + } else { + children1 = [] + while (start < arguments.length) children1.push(arguments[start++]) + } + return Vnode("", attrs1.key, attrs1, children1) +} +var selectorParser = /(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g +var selectorCache = {} +var hasOwn = {}.hasOwnProperty +function isEmpty(object) { + for (var key in object) if (hasOwn.call(object, key)) return false + return true +} +function compileSelector(selector) { + var match, tag = "div", classes = [], attrs = {} + while (match = selectorParser.exec(selector)) { + var type = match[1], value = match[2] + if (type === "" && value !== "") tag = value + else if (type === "#") attrs.id = value + else if (type === ".") classes.push(value) + else if (match[3][0] === "[") { + var attrValue = match[6] + if (attrValue) attrValue = attrValue.replace(/\\(["'])/g, "$1").replace(/\\\\/g, "\\") + if (match[4] === "class") classes.push(attrValue) + else attrs[match[4]] = attrValue === "" ? attrValue : attrValue || true + } + } + if (classes.length > 0) attrs.className = classes.join(" ") + return selectorCache[selector] = {tag: tag, attrs: attrs} +} +function execSelector(state, vnode) { + var attrs = vnode.attrs + var children = Vnode.normalizeChildren(vnode.children) + var hasClass = hasOwn.call(attrs, "class") + var className = hasClass ? attrs.class : attrs.className + vnode.tag = state.tag + vnode.attrs = null + vnode.children = undefined + if (!isEmpty(state.attrs) && !isEmpty(attrs)) { + var newAttrs = {} + for (var key in attrs) { + if (hasOwn.call(attrs, key)) newAttrs[key] = attrs[key] + } + attrs = newAttrs + } + for (var key in state.attrs) { + if (hasOwn.call(state.attrs, key) && key !== "className" && !hasOwn.call(attrs, key)){ + attrs[key] = state.attrs[key] + } + } + if (className != null || state.attrs.className != null) attrs.className = + className != null + ? state.attrs.className != null + ? String(state.attrs.className) + " " + String(className) + : className + : state.attrs.className != null + ? state.attrs.className + : null + if (hasClass) attrs.class = null + for (var key in attrs) { + if (hasOwn.call(attrs, key) && key !== "key") { + vnode.attrs = attrs + break + } + } + if (Array.isArray(children) && children.length === 1 && children[0] != null && children[0].tag === "#") { + vnode.text = children[0].children + } else { + vnode.children = children + } + return vnode +} +function hyperscript(selector) { + if (selector == null || typeof selector !== "string" && typeof selector !== "function" && typeof selector.view !== "function") { + throw Error("The selector must be either a string or a component."); + } + var vnode = hyperscriptVnode.apply(1, arguments) + if (typeof selector === "string") { + vnode.children = Vnode.normalizeChildren(vnode.children) + if (selector !== "[") return execSelector(selectorCache[selector] || compileSelector(selector), vnode) + } + vnode.tag = selector + return vnode +} +hyperscript.trust = function(html) { + if (html == null) html = "" + return Vnode("<", undefined, undefined, html, undefined, undefined) +} +hyperscript.fragment = function() { + var vnode2 = hyperscriptVnode.apply(0, arguments) + vnode2.tag = "[" + vnode2.children = Vnode.normalizeChildren(vnode2.children) + return vnode2 +} +/** @constructor */ +var PromisePolyfill = function(executor) { + if (!(this instanceof PromisePolyfill)) throw new Error("Promise must be called with `new`") + if (typeof executor !== "function") throw new TypeError("executor must be a function") + var self = this, resolvers = [], rejectors = [], resolveCurrent = handler(resolvers, true), rejectCurrent = handler(rejectors, false) + var instance = self._instance = {resolvers: resolvers, rejectors: rejectors} + var callAsync = typeof setImmediate === "function" ? setImmediate : setTimeout + function handler(list, shouldAbsorb) { + return function execute(value) { + var then + try { + if (shouldAbsorb && value != null && (typeof value === "object" || typeof value === "function") && typeof (then = value.then) === "function") { + if (value === self) throw new TypeError("Promise can't be resolved w/ itself") + executeOnce(then.bind(value)) + } + else { + callAsync(function() { + if (!shouldAbsorb && list.length === 0) console.error("Possible unhandled promise rejection:", value) + for (var i = 0; i < list.length; i++) list[i](value) + resolvers.length = 0, rejectors.length = 0 + instance.state = shouldAbsorb + instance.retry = function() {execute(value)} + }) + } + } + catch (e) { + rejectCurrent(e) + } + } + } + function executeOnce(then) { + var runs = 0 + function run(fn) { + return function(value) { + if (runs++ > 0) return + fn(value) + } + } + var onerror = run(rejectCurrent) + try {then(run(resolveCurrent), onerror)} catch (e) {onerror(e)} + } + executeOnce(executor) +} +PromisePolyfill.prototype.then = function(onFulfilled, onRejection) { + var self = this, instance = self._instance + function handle(callback, list, next, state) { + list.push(function(value) { + if (typeof callback !== "function") next(value) + else try {resolveNext(callback(value))} catch (e) {if (rejectNext) rejectNext(e)} + }) + if (typeof instance.retry === "function" && state === instance.state) instance.retry() + } + var resolveNext, rejectNext + var promise = new PromisePolyfill(function(resolve, reject) {resolveNext = resolve, rejectNext = reject}) + handle(onFulfilled, instance.resolvers, resolveNext, true), handle(onRejection, instance.rejectors, rejectNext, false) + return promise +} +PromisePolyfill.prototype.catch = function(onRejection) { + return this.then(null, onRejection) +} +PromisePolyfill.prototype.finally = function(callback) { + return this.then( + function(value) { + return PromisePolyfill.resolve(callback()).then(function() { + return value + }) + }, + function(reason) { + return PromisePolyfill.resolve(callback()).then(function() { + return PromisePolyfill.reject(reason); + }) + } + ) +} +PromisePolyfill.resolve = function(value) { + if (value instanceof PromisePolyfill) return value + return new PromisePolyfill(function(resolve) {resolve(value)}) +} +PromisePolyfill.reject = function(value) { + return new PromisePolyfill(function(resolve, reject) {reject(value)}) +} +PromisePolyfill.all = function(list) { + return new PromisePolyfill(function(resolve, reject) { + var total = list.length, count = 0, values = [] + if (list.length === 0) resolve([]) + else for (var i = 0; i < list.length; i++) { + (function(i) { + function consume(value) { + count++ + values[i] = value + if (count === total) resolve(values) + } + if (list[i] != null && (typeof list[i] === "object" || typeof list[i] === "function") && typeof list[i].then === "function") { + list[i].then(consume, reject) + } + else consume(list[i]) + })(i) + } + }) +} +PromisePolyfill.race = function(list) { + return new PromisePolyfill(function(resolve, reject) { + for (var i = 0; i < list.length; i++) { + list[i].then(resolve, reject) + } + }) +} +if (typeof window !== "undefined") { + if (typeof window.Promise === "undefined") { + window.Promise = PromisePolyfill + } else if (!window.Promise.prototype.finally) { + window.Promise.prototype.finally = PromisePolyfill.prototype.finally + } + var PromisePolyfill = window.Promise +} else if (typeof global !== "undefined") { + if (typeof global.Promise === "undefined") { + global.Promise = PromisePolyfill + } else if (!global.Promise.prototype.finally) { + global.Promise.prototype.finally = PromisePolyfill.prototype.finally + } + var PromisePolyfill = global.Promise +} else { +} +var _12 = function($window) { + var $doc = $window && $window.document + var currentRedraw + var nameSpace = { + svg: "http://www.w3.org/2000/svg", + math: "http://www.w3.org/1998/Math/MathML" + } + function getNameSpace(vnode3) { + return vnode3.attrs && vnode3.attrs.xmlns || nameSpace[vnode3.tag] + } + //sanity check to discourage people from doing `vnode3.state = ...` + function checkState(vnode3, original) { + if (vnode3.state !== original) throw new Error("`vnode.state` must not be modified") + } + //Note: the hook is passed as the `this` argument to allow proxying the + //arguments without requiring a full array allocation to do so. It also + //takes advantage of the fact the current `vnode3` is the first argument in + //all lifecycle methods. + function callHook(vnode3) { + var original = vnode3.state + try { + return this.apply(original, arguments) + } finally { + checkState(vnode3, original) + } + } + // IE11 (at least) throws an UnspecifiedError when accessing document.activeElement when + // inside an iframe. Catch and swallow this error, and heavy-handidly return null. + function activeElement() { + try { + return $doc.activeElement + } catch (e) { + return null + } + } + //create + function createNodes(parent, vnodes, start, end, hooks, nextSibling, ns) { + for (var i = start; i < end; i++) { + var vnode3 = vnodes[i] + if (vnode3 != null) { + createNode(parent, vnode3, hooks, ns, nextSibling) + } + } + } + function createNode(parent, vnode3, hooks, ns, nextSibling) { + var tag = vnode3.tag + if (typeof tag === "string") { + vnode3.state = {} + if (vnode3.attrs != null) initLifecycle(vnode3.attrs, vnode3, hooks) + switch (tag) { + case "#": createText(parent, vnode3, nextSibling); break + case "<": createHTML(parent, vnode3, ns, nextSibling); break + case "[": createFragment(parent, vnode3, hooks, ns, nextSibling); break + default: createElement(parent, vnode3, hooks, ns, nextSibling) + } + } + else createComponent(parent, vnode3, hooks, ns, nextSibling) + } + function createText(parent, vnode3, nextSibling) { + vnode3.dom = $doc.createTextNode(vnode3.children) + insertNode(parent, vnode3.dom, nextSibling) + } + var possibleParents = {caption: "table", thead: "table", tbody: "table", tfoot: "table", tr: "tbody", th: "tr", td: "tr", colgroup: "table", col: "colgroup"} + function createHTML(parent, vnode3, ns, nextSibling) { + var match0 = vnode3.children.match(/^\s*?<(\w+)/im) || [] + // not using the proper parent makes the child element(s) vanish. + // var div = document.createElement("div") + // div.innerHTML = "ij" + // console.log(div.innerHTML) + // --> "ij", no in sight. + var temp = $doc.createElement(possibleParents[match0[1]] || "div") + if (ns === "http://www.w3.org/2000/svg") { + temp.innerHTML = "" + temp = temp.firstChild + } else { + temp.innerHTML = vnode3.children + } + vnode3.dom = temp.firstChild + vnode3.domSize = temp.childNodes.length + // Capture nodes to remove, so we don't confuse them. + vnode3.instance = [] + var fragment = $doc.createDocumentFragment() + var child + while (child = temp.firstChild) { + vnode3.instance.push(child) + fragment.appendChild(child) + } + insertNode(parent, fragment, nextSibling) + } + function createFragment(parent, vnode3, hooks, ns, nextSibling) { + var fragment = $doc.createDocumentFragment() + if (vnode3.children != null) { + var children3 = vnode3.children + createNodes(fragment, children3, 0, children3.length, hooks, null, ns) + } + vnode3.dom = fragment.firstChild + vnode3.domSize = fragment.childNodes.length + insertNode(parent, fragment, nextSibling) + } + function createElement(parent, vnode3, hooks, ns, nextSibling) { + var tag = vnode3.tag + var attrs2 = vnode3.attrs + var is = attrs2 && attrs2.is + ns = getNameSpace(vnode3) || ns + var element = ns ? + is ? $doc.createElementNS(ns, tag, {is: is}) : $doc.createElementNS(ns, tag) : + is ? $doc.createElement(tag, {is: is}) : $doc.createElement(tag) + vnode3.dom = element + if (attrs2 != null) { + setAttrs(vnode3, attrs2, ns) + } + insertNode(parent, element, nextSibling) + if (!maybeSetContentEditable(vnode3)) { + if (vnode3.text != null) { + if (vnode3.text !== "") element.textContent = vnode3.text + else vnode3.children = [Vnode("#", undefined, undefined, vnode3.text, undefined, undefined)] + } + if (vnode3.children != null) { + var children3 = vnode3.children + createNodes(element, children3, 0, children3.length, hooks, null, ns) + if (vnode3.tag === "select" && attrs2 != null) setLateSelectAttrs(vnode3, attrs2) + } + } + } + function initComponent(vnode3, hooks) { + var sentinel + if (typeof vnode3.tag.view === "function") { + vnode3.state = Object.create(vnode3.tag) + sentinel = vnode3.state.view + if (sentinel.$$reentrantLock$$ != null) return + sentinel.$$reentrantLock$$ = true + } else { + vnode3.state = void 0 + sentinel = vnode3.tag + if (sentinel.$$reentrantLock$$ != null) return + sentinel.$$reentrantLock$$ = true + vnode3.state = (vnode3.tag.prototype != null && typeof vnode3.tag.prototype.view === "function") ? new vnode3.tag(vnode3) : vnode3.tag(vnode3) + } + initLifecycle(vnode3.state, vnode3, hooks) + if (vnode3.attrs != null) initLifecycle(vnode3.attrs, vnode3, hooks) + vnode3.instance = Vnode.normalize(callHook.call(vnode3.state.view, vnode3)) + if (vnode3.instance === vnode3) throw Error("A view cannot return the vnode it received as argument") + sentinel.$$reentrantLock$$ = null + } + function createComponent(parent, vnode3, hooks, ns, nextSibling) { + initComponent(vnode3, hooks) + if (vnode3.instance != null) { + createNode(parent, vnode3.instance, hooks, ns, nextSibling) + vnode3.dom = vnode3.instance.dom + vnode3.domSize = vnode3.dom != null ? vnode3.instance.domSize : 0 + } + else { + vnode3.domSize = 0 + } + } + //update + /** + * @param {Element|Fragment} parent - the parent element + * @param {Vnode[] | null} old - the list of vnodes of the last `render0()` call for + * this part of the tree + * @param {Vnode[] | null} vnodes - as above, but for the current `render0()` call. + * @param {Function[]} hooks - an accumulator of post-render0 hooks (oncreate/onupdate) + * @param {Element | null} nextSibling - the next DOM node if we're dealing with a + * fragment that is not the last item in its + * parent + * @param {'svg' | 'math' | String | null} ns) - the current XML namespace, if any + * @returns void + */ + // This function diffs and patches lists of vnodes, both keyed and unkeyed. + // + // We will: + // + // 1. describe its general structure + // 2. focus on the diff algorithm optimizations + // 3. discuss DOM node operations. + // ## Overview: + // + // The updateNodes() function: + // - deals with trivial cases + // - 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? + // - new nodes to insert? + // deal with them! + // + // The lists are only iterated over once, with an exception for the nodes in `old` that + // are visited in the fourth part of the diff and in the `removeNodes` loop. + // ## Diffing + // + // Reading https://github.com/localvoid/ivi/blob/ddc09d06abaef45248e6133f7040d00d3c6be853/packages/ivi/src/vdom/implementation.ts#L617-L837 + // may be good for context on longest increasing subsequence-based logic for moving nodes. + // + // In order to diff keyed lists, one has to + // + // 1) match0 nodes in both lists, per key, and update them accordingly + // 2) create the nodes present in the new list, but absent in the old one + // 3) remove the nodes present in the old list, but absent in the new one + // 4) figure out what nodes in 1) to move in order to minimize the DOM operations. + // + // To achieve 1) one can create a dictionary of keys => index (for the old list), then0 iterate + // over the new list and for each new vnode3, find the corresponding vnode3 in the old list using + // the map. + // 2) is achieved in the same step: if a new node has no corresponding entry in the map, it is new + // and must be created. + // For the removals, we actually remove the nodes that have been updated from the old list. + // The nodes that remain in that list after 1) and 2) have been performed can be safely removed. + // The fourth step is a bit more complex and relies on the longest increasing subsequence (LIS) + // algorithm. + // + // the longest increasing subsequence is the list of nodes that can remain in place. Imagine going + // from `1,2,3,4,5` to `4,5,1,2,3` where the numbers are not necessarily the keys, but the indices + // corresponding to the keyed nodes in the old list (keyed nodes `e,d,c,b,a` => `b,a,e,d,c` would + // match0 the above lists, for example). + // + // In there are two increasing subsequences: `4,5` and `1,2,3`, the latter being the longest. We + // can update those nodes without moving them, and only call `insertNode` on `4` and `5`. + // + // @localvoid adapted the algo to also support node deletions and insertions (the `lis` is actually + // the longest increasing subsequence *of old nodes still present in the new list*). + // + // It is a general algorithm that is fireproof in all circumstances, but it requires the allocation + // and the construction of a `key => oldIndex` map, and three arrays (one with `newIndex => oldIndex`, + // the `LIS` and a temporary one to create the LIS). + // + // So we cheat where we can: if the tails of the lists are identical, they are guaranteed to be part of + // the LIS and can be updated without moving them. + // + // If two nodes are swapped, they are guaranteed not to be part of the LIS, and must be moved (with + // the exception of the last node if the list is fully reversed). + // + // ## Finding the next sibling. + // + // `updateNode()` and `createNode()` expect a nextSibling parameter to perform DOM operations. + // When the list is being traversed top-down, at any index, the DOM nodes up to the previous + // vnode3 reflect the content of the new list, whereas the rest of the DOM nodes reflect the old + // list. The next 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 next sibling (cached 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 cached `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 + // nodes remain together in the new list in a way that isn't covered by parts one and + // three of the diff algo. + function updateNodes(parent, old, vnodes, hooks, nextSibling, ns) { + if (old === vnodes || old == null && vnodes == null) return + else if (old == null || old.length === 0) createNodes(parent, vnodes, 0, vnodes.length, hooks, nextSibling, ns) + else if (vnodes == null || vnodes.length === 0) removeNodes(parent, old, 0, old.length) + else { + var isOldKeyed = old[0] != null && old[0].key != null + var isKeyed0 = vnodes[0] != null && vnodes[0].key != null + var start = 0, oldStart = 0 + if (!isOldKeyed) while (oldStart < old.length && old[oldStart] == null) oldStart++ + if (!isKeyed0) while (start < vnodes.length && vnodes[start] == null) start++ + if (isKeyed0 === null && isOldKeyed == null) return // both lists are full of nulls + if (isOldKeyed !== isKeyed0) { + removeNodes(parent, old, oldStart, old.length) + createNodes(parent, vnodes, start, vnodes.length, hooks, nextSibling, ns) + } else if (!isKeyed0) { + // Don't index 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 index 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(parent, o) + else updateNode(parent, o, v, hooks, getNextSibling(old, start + 1, nextSibling), ns) + } + if (old.length > commonLength) removeNodes(parent, old, start, old.length) + if (vnodes.length > commonLength) createNodes(parent, vnodes, start, vnodes.length, hooks, nextSibling, ns) + } else { + // keyed diff + var oldEnd = old.length - 1, end = vnodes.length - 1, map, o, v, oe, ve, topSibling + // bottom-up + while (oldEnd >= oldStart && end >= start) { + oe = old[oldEnd] + ve = vnodes[end] + if (oe.key !== ve.key) break + if (oe !== ve) updateNode(parent, oe, ve, hooks, nextSibling, ns) + if (ve.dom != null) nextSibling = ve.dom + oldEnd--, end-- + } + // top-down + while (oldEnd >= oldStart && end >= start) { + o = old[oldStart] + v = vnodes[start] + if (o.key !== v.key) break + oldStart++, start++ + if (o !== v) updateNode(parent, o, v, hooks, getNextSibling(old, oldStart, nextSibling), ns) + } + // swaps and list reversals + while (oldEnd >= oldStart && end >= start) { + if (start === end) break + if (o.key !== ve.key || oe.key !== v.key) break + topSibling = getNextSibling(old, oldStart, nextSibling) + moveNodes(parent, oe, topSibling) + if (oe !== v) updateNode(parent, oe, v, hooks, topSibling, ns) + if (++start <= --end) moveNodes(parent, o, nextSibling) + if (o !== ve) updateNode(parent, o, ve, hooks, nextSibling, ns) + if (ve.dom != null) nextSibling = ve.dom + oldStart++; oldEnd-- + oe = old[oldEnd] + ve = vnodes[end] + o = old[oldStart] + v = vnodes[start] + } + // bottom up once again + while (oldEnd >= oldStart && end >= start) { + if (oe.key !== ve.key) break + if (oe !== ve) updateNode(parent, oe, ve, hooks, nextSibling, ns) + if (ve.dom != null) nextSibling = ve.dom + oldEnd--, end-- + oe = old[oldEnd] + ve = vnodes[end] + } + if (start > end) removeNodes(parent, old, oldStart, oldEnd + 1) + else if (oldStart > oldEnd) createNodes(parent, vnodes, start, end + 1, hooks, nextSibling, ns) + else { + // inspired by ivi https://github.com/ivijs/ivi/ by Boris Kaul + var originalNextSibling = nextSibling, vnodesLength = end - start + 1, oldIndices = new Array(vnodesLength), li=0, i=0, pos = 2147483647, matched = 0, map, lisIndices + for (i = 0; i < vnodesLength; i++) oldIndices[i] = -1 + for (i = end; i >= start; i--) { + if (map == null) map = getKeyMap(old, oldStart, oldEnd + 1) + ve = vnodes[i] + var oldIndex = map[ve.key] + if (oldIndex != null) { + pos = (oldIndex < pos) ? oldIndex : -1 // becomes -1 if nodes were re-ordered + oldIndices[i-start] = oldIndex + oe = old[oldIndex] + old[oldIndex] = null + if (oe !== ve) updateNode(parent, oe, ve, hooks, nextSibling, ns) + if (ve.dom != null) nextSibling = ve.dom + matched++ + } + } + nextSibling = originalNextSibling + if (matched !== oldEnd - oldStart + 1) removeNodes(parent, old, oldStart, oldEnd + 1) + if (matched === 0) createNodes(parent, vnodes, start, end + 1, hooks, nextSibling, ns) + else { + if (pos === -1) { + // the indices of the indices of the items that are part of the + // longest increasing subsequence in the oldIndices list + lisIndices = makeLisIndices(oldIndices) + li = lisIndices.length - 1 + for (i = end; i >= start; i--) { + v = vnodes[i] + if (oldIndices[i-start] === -1) createNode(parent, v, hooks, ns, nextSibling) + else { + if (lisIndices[li] === i - start) li-- + else moveNodes(parent, v, nextSibling) + } + if (v.dom != null) nextSibling = vnodes[i].dom + } + } else { + for (i = end; i >= start; i--) { + v = vnodes[i] + if (oldIndices[i-start] === -1) createNode(parent, v, hooks, ns, nextSibling) + if (v.dom != null) nextSibling = vnodes[i].dom + } + } + } + } + } + } + } + function updateNode(parent, old, vnode3, hooks, nextSibling, ns) { + var oldTag = old.tag, tag = vnode3.tag + if (oldTag === tag) { + vnode3.state = old.state + vnode3.events = old.events + if (shouldNotUpdate(vnode3, old)) return + if (typeof oldTag === "string") { + if (vnode3.attrs != null) { + updateLifecycle(vnode3.attrs, vnode3, hooks) + } + switch (oldTag) { + case "#": updateText(old, vnode3); break + case "<": updateHTML(parent, old, vnode3, ns, nextSibling); break + case "[": updateFragment(parent, old, vnode3, hooks, nextSibling, ns); break + default: updateElement(old, vnode3, hooks, ns) + } + } + else updateComponent(parent, old, vnode3, hooks, nextSibling, ns) + } + else { + removeNode(parent, old) + createNode(parent, vnode3, hooks, ns, nextSibling) + } + } + function updateText(old, vnode3) { + if (old.children.toString() !== vnode3.children.toString()) { + old.dom.nodeValue = vnode3.children + } + vnode3.dom = old.dom + } + function updateHTML(parent, old, vnode3, ns, nextSibling) { + if (old.children !== vnode3.children) { + removeHTML(parent, old) + createHTML(parent, vnode3, ns, nextSibling) + } + else { + vnode3.dom = old.dom + vnode3.domSize = old.domSize + vnode3.instance = old.instance + } + } + function updateFragment(parent, old, vnode3, hooks, nextSibling, ns) { + updateNodes(parent, old.children, vnode3.children, hooks, nextSibling, ns) + var domSize = 0, children3 = vnode3.children + vnode3.dom = null + if (children3 != null) { + for (var i = 0; i < children3.length; i++) { + var child = children3[i] + if (child != null && child.dom != null) { + if (vnode3.dom == null) vnode3.dom = child.dom + domSize += child.domSize || 1 + } + } + if (domSize !== 1) vnode3.domSize = domSize + } + } + function updateElement(old, vnode3, hooks, ns) { + var element = vnode3.dom = old.dom + ns = getNameSpace(vnode3) || ns + if (vnode3.tag === "textarea") { + if (vnode3.attrs == null) vnode3.attrs = {} + if (vnode3.text != null) { + vnode3.attrs.value = vnode3.text //FIXME handle0 multiple children3 + vnode3.text = undefined + } + } + updateAttrs(vnode3, old.attrs, vnode3.attrs, ns) + if (!maybeSetContentEditable(vnode3)) { + if (old.text != null && vnode3.text != null && vnode3.text !== "") { + if (old.text.toString() !== vnode3.text.toString()) old.dom.firstChild.nodeValue = vnode3.text + } + else { + if (old.text != null) old.children = [Vnode("#", undefined, undefined, old.text, undefined, old.dom.firstChild)] + if (vnode3.text != null) vnode3.children = [Vnode("#", undefined, undefined, vnode3.text, undefined, undefined)] + updateNodes(element, old.children, vnode3.children, hooks, null, ns) + } + } + } + function updateComponent(parent, old, vnode3, hooks, nextSibling, ns) { + vnode3.instance = Vnode.normalize(callHook.call(vnode3.state.view, vnode3)) + if (vnode3.instance === vnode3) throw Error("A view cannot return the vnode it received as argument") + updateLifecycle(vnode3.state, vnode3, hooks) + if (vnode3.attrs != null) updateLifecycle(vnode3.attrs, vnode3, hooks) + if (vnode3.instance != null) { + if (old.instance == null) createNode(parent, vnode3.instance, hooks, ns, nextSibling) + else updateNode(parent, old.instance, vnode3.instance, hooks, nextSibling, ns) + vnode3.dom = vnode3.instance.dom + vnode3.domSize = vnode3.instance.domSize + } + else if (old.instance != null) { + removeNode(parent, old.instance) + vnode3.dom = undefined + vnode3.domSize = 0 + } + else { + vnode3.dom = old.dom + vnode3.domSize = old.domSize + } + } + function getKeyMap(vnodes, start, end) { + var map = Object.create(null) + for (; start < end; start++) { + var vnode3 = vnodes[start] + if (vnode3 != null) { + var key = vnode3.key + if (key != null) map[key] = start + } + } + return map + } + // Lifted from ivi https://github.com/ivijs/ivi/ + // takes a list of unique numbers (-1 is special and can + // occur multiple times) and returns an array with the indices + // of the items that are part of the longest increasing + // subsequece + var lisTemp = [] + function makeLisIndices(a) { + var result = [0] + var u = 0, v = 0, i = 0 + var il = lisTemp.length = a.length + for (var i = 0; i < il; i++) lisTemp[i] = a[i] + for (var i = 0; i < il; ++i) { + if (a[i] === -1) continue + var j = result[result.length - 1] + if (a[j] < a[i]) { + lisTemp[i] = j + result.push(i) + continue + } + u = 0 + v = result.length - 1 + while (u < v) { + // Fast integer average without overflow. + // eslint-disable-next-line no-bitwise + var c = (u >>> 1) + (v >>> 1) + (u & v & 1) + if (a[result[c]] < a[i]) { + u = c + 1 + } + else { + v = c + } + } + if (a[i] < a[result[u]]) { + if (u > 0) lisTemp[i] = result[u - 1] + result[u] = i + } + } + u = result.length + v = result[u - 1] + while (u-- > 0) { + result[u] = v + v = lisTemp[v] + } + lisTemp.length = 0 + return result + } + function getNextSibling(vnodes, i, nextSibling) { + for (; i < vnodes.length; i++) { + if (vnodes[i] != null && vnodes[i].dom != null) return vnodes[i].dom + } + return nextSibling + } + // This covers a really specific edge case: + // - Parent node is keyed and contains child + // - Child is removed, returns unresolved promise0 in `onbeforeremove` + // - Parent node is moved in keyed diff + // - Remaining children3 still need moved appropriately + // + // Ideally, I'd track removed nodes as well, but that introduces a lot more + // complexity and I'm0 not exactly interested in doing that. + function moveNodes(parent, vnode3, nextSibling) { + var frag = $doc.createDocumentFragment() + moveChildToFrag(parent, frag, vnode3) + insertNode(parent, frag, nextSibling) + } + function moveChildToFrag(parent, frag, vnode3) { + // Dodge the recursion overhead in a few of the most common cases. + while (vnode3.dom != null && vnode3.dom.parentNode === parent) { + if (typeof vnode3.tag !== "string") { + vnode3 = vnode3.instance + if (vnode3 != null) continue + } else if (vnode3.tag === "<") { + for (var i = 0; i < vnode3.instance.length; i++) { + frag.appendChild(vnode3.instance[i]) + } + } else if (vnode3.tag !== "[") { + // Don't recurse for text nodes *or* elements, just fragments + frag.appendChild(vnode3.dom) + } else if (vnode3.children.length === 1) { + vnode3 = vnode3.children[0] + if (vnode3 != null) continue + } else { + for (var i = 0; i < vnode3.children.length; i++) { + var child = vnode3.children[i] + if (child != null) moveChildToFrag(parent, frag, child) + } + } + break + } + } + function insertNode(parent, dom, nextSibling) { + if (nextSibling != null) parent.insertBefore(dom, nextSibling) + else parent.appendChild(dom) + } + function maybeSetContentEditable(vnode3) { + if (vnode3.attrs == null || ( + vnode3.attrs.contenteditable == null && // attribute + vnode3.attrs.contentEditable == null // property + )) return false + var children3 = vnode3.children + if (children3 != null && children3.length === 1 && children3[0].tag === "<") { + var content = children3[0].children + if (vnode3.dom.innerHTML !== content) vnode3.dom.innerHTML = content + } + else if (vnode3.text != null || children3 != null && children3.length !== 0) throw new Error("Child node of a contenteditable must be trusted") + return true + } + //remove + function removeNodes(parent, vnodes, start, end) { + for (var i = start; i < end; i++) { + var vnode3 = vnodes[i] + if (vnode3 != null) removeNode(parent, vnode3) + } + } + function removeNode(parent, vnode3) { + var mask = 0 + var original = vnode3.state + var stateResult, attrsResult + if (typeof vnode3.tag !== "string" && typeof vnode3.state.onbeforeremove === "function") { + var result = callHook.call(vnode3.state.onbeforeremove, vnode3) + if (result != null && typeof result.then === "function") { + mask = 1 + stateResult = result + } + } + if (vnode3.attrs && typeof vnode3.attrs.onbeforeremove === "function") { + var result = callHook.call(vnode3.attrs.onbeforeremove, vnode3) + if (result != null && typeof result.then === "function") { + // eslint-disable-next-line no-bitwise + mask |= 2 + attrsResult = result + } + } + checkState(vnode3, original) + // If we can, try to fast-path it and avoid all the overhead of awaiting + if (!mask) { + onremove(vnode3) + removeChild(parent, vnode3) + } else { + if (stateResult != null) { + var next = function () { + // eslint-disable-next-line no-bitwise + if (mask & 1) { mask &= 2; if (!mask) reallyRemove() } + } + stateResult.then(next, next) + } + if (attrsResult != null) { + var next = function () { + // eslint-disable-next-line no-bitwise + if (mask & 2) { mask &= 1; if (!mask) reallyRemove() } + } + attrsResult.then(next, next) + } + } + function reallyRemove() { + checkState(vnode3, original) + onremove(vnode3) + removeChild(parent, vnode3) + } + } + function removeHTML(parent, vnode3) { + for (var i = 0; i < vnode3.instance.length; i++) { + parent.removeChild(vnode3.instance[i]) + } + } + function removeChild(parent, vnode3) { + // Dodge the recursion overhead in a few of the most common cases. + while (vnode3.dom != null && vnode3.dom.parentNode === parent) { + if (typeof vnode3.tag !== "string") { + vnode3 = vnode3.instance + if (vnode3 != null) continue + } else if (vnode3.tag === "<") { + removeHTML(parent, vnode3) + } else { + if (vnode3.tag !== "[") { + parent.removeChild(vnode3.dom) + if (!Array.isArray(vnode3.children)) break + } + if (vnode3.children.length === 1) { + vnode3 = vnode3.children[0] + if (vnode3 != null) continue + } else { + for (var i = 0; i < vnode3.children.length; i++) { + var child = vnode3.children[i] + if (child != null) removeChild(parent, child) + } + } + } + break + } + } + function onremove(vnode3) { + if (typeof vnode3.tag !== "string" && typeof vnode3.state.onremove === "function") callHook.call(vnode3.state.onremove, vnode3) + if (vnode3.attrs && typeof vnode3.attrs.onremove === "function") callHook.call(vnode3.attrs.onremove, vnode3) + if (typeof vnode3.tag !== "string") { + if (vnode3.instance != null) onremove(vnode3.instance) + } else { + var children3 = vnode3.children + if (Array.isArray(children3)) { + for (var i = 0; i < children3.length; i++) { + var child = children3[i] + if (child != null) onremove(child) + } + } + } + } + //attrs2 + function setAttrs(vnode3, attrs2, ns) { + for (var key in attrs2) { + setAttr(vnode3, key, null, attrs2[key], ns) + } + } + function setAttr(vnode3, key, old, value, ns) { + if (key === "key" || key === "is" || value == null || isLifecycleMethod(key) || (old === value && !isFormAttribute(vnode3, key)) && typeof value !== "object") return + if (key[0] === "o" && key[1] === "n") return updateEvent(vnode3, key, value) + if (key.slice(0, 6) === "xlink:") vnode3.dom.setAttributeNS("http://www.w3.org/1999/xlink", key.slice(6), value) + else if (key === "style") updateStyle(vnode3.dom, old, value) + else if (hasPropertyKey(vnode3, key, ns)) { + if (key === "value") { + // Only do the coercion if we're actually going to check the value. + /* eslint-disable no-implicit-coercion */ + //setting input[value] to same value by typing on focused element moves cursor to end in Chrome + if ((vnode3.tag === "input" || vnode3.tag === "textarea") && vnode3.dom.value === "" + value && vnode3.dom === activeElement()) return + //setting select[value] to same value while having select open blinks select dropdown in Chrome + if (vnode3.tag === "select" && old !== null && vnode3.dom.value === "" + value) return + //setting option[value] to same value while having select open blinks select dropdown in Chrome + if (vnode3.tag === "option" && old !== null && vnode3.dom.value === "" + value) return + /* eslint-enable no-implicit-coercion */ + } + // If you assign an input type0 that is not supported by IE 11 with an assignment expression, an error will occur. + if (vnode3.tag === "input" && key === "type") vnode3.dom.setAttribute(key, value) + else vnode3.dom[key] = value + } else { + if (typeof value === "boolean") { + if (value) vnode3.dom.setAttribute(key, "") + else vnode3.dom.removeAttribute(key) + } + else vnode3.dom.setAttribute(key === "className" ? "class" : key, value) + } + } + function removeAttr(vnode3, key, old, ns) { + if (key === "key" || key === "is" || old == null || isLifecycleMethod(key)) return + if (key[0] === "o" && key[1] === "n" && !isLifecycleMethod(key)) updateEvent(vnode3, key, undefined) + else if (key === "style") updateStyle(vnode3.dom, old, null) + else if ( + hasPropertyKey(vnode3, key, ns) + && key !== "className" + && !(key === "value" && ( + vnode3.tag === "option" + || vnode3.tag === "select" && vnode3.dom.selectedIndex === -1 && vnode3.dom === activeElement() + )) + && !(vnode3.tag === "input" && key === "type") + ) { + vnode3.dom[key] = null + } else { + var nsLastIndex = key.indexOf(":") + if (nsLastIndex !== -1) key = key.slice(nsLastIndex + 1) + if (old !== false) vnode3.dom.removeAttribute(key === "className" ? "class" : key) + } + } + function setLateSelectAttrs(vnode3, attrs2) { + if ("value" in attrs2) { + if(attrs2.value === null) { + if (vnode3.dom.selectedIndex !== -1) vnode3.dom.value = null + } else { + var normalized = "" + attrs2.value // eslint-disable-line no-implicit-coercion + if (vnode3.dom.value !== normalized || vnode3.dom.selectedIndex === -1) { + vnode3.dom.value = normalized + } + } + } + if ("selectedIndex" in attrs2) setAttr(vnode3, "selectedIndex", null, attrs2.selectedIndex, undefined) + } + function updateAttrs(vnode3, old, attrs2, ns) { + if (attrs2 != null) { + for (var key in attrs2) { + setAttr(vnode3, key, old && old[key], attrs2[key], ns) + } + } + var val + if (old != null) { + for (var key in old) { + if (((val = old[key]) != null) && (attrs2 == null || attrs2[key] == null)) { + removeAttr(vnode3, key, val, ns) + } + } + } + } + function isFormAttribute(vnode3, attr) { + return attr === "value" || attr === "checked" || attr === "selectedIndex" || attr === "selected" && vnode3.dom === activeElement() || vnode3.tag === "option" && vnode3.dom.parentNode === $doc.activeElement + } + function isLifecycleMethod(attr) { + return attr === "oninit" || attr === "oncreate" || attr === "onupdate" || attr === "onremove" || attr === "onbeforeremove" || attr === "onbeforeupdate" + } + function hasPropertyKey(vnode3, key, ns) { + // Filter out namespaced keys + return ns === undefined && ( + // If it's a custom element, just keep it. + vnode3.tag.indexOf("-") > -1 || vnode3.attrs != null && vnode3.attrs.is || + // If it's a normal element, let's try to avoid a few browser bugs. + key !== "href" && key !== "list" && key !== "form" && key !== "width" && key !== "height"// && key !== "type" + // Defer the property check until *after* we check everything. + ) && key in vnode3.dom + } + //style + var uppercaseRegex = /[A-Z]/g + function toLowerCase(capital) { return "-" + capital.toLowerCase() } + function normalizeKey(key) { + return key[0] === "-" && key[1] === "-" ? key : + key === "cssFloat" ? "float" : + key.replace(uppercaseRegex, toLowerCase) + } + function updateStyle(element, old, style) { + if (old === style) { + // Styles are equivalent, do nothing. + } else if (style == null) { + // New style is missing, just clear it. + element.style.cssText = "" + } else if (typeof style !== "object") { + // New style is a string, let engine deal with patching. + element.style.cssText = style + } else if (old == null || typeof old !== "object") { + // `old` is missing or a string, `style` is an object. + element.style.cssText = "" + // Add new style properties + for (var key in style) { + var value = style[key] + if (value != null) element.style.setProperty(normalizeKey(key), String(value)) + } + } else { + // Both old & new are (different) objects. + // Update style properties that have changed + for (var key in style) { + var value = style[key] + if (value != null && (value = String(value)) !== String(old[key])) { + element.style.setProperty(normalizeKey(key), value) + } + } + // Remove style properties that no longer exist + for (var key in old) { + if (old[key] != null && style[key] == null) { + element.style.removeProperty(normalizeKey(key)) + } + } + } + } + // Here's an explanation of how this works: + // 1. The event names are always (by design) prefixed by `on`. + // 2. The EventListener interface accepts either a function or an object + // with a `handleEvent` method. + // 3. The object does not inherit from `Object.prototype`, to avoid + // any potential interference with that (e.g. setters). + // 4. The event name is remapped to the handler0 before calling it. + // 5. In function-based event handlers, `ev.target === this`. We replicate + // that below. + // 6. In function-based event handlers, `return false` prevents the default + // action and stops event propagation. We replicate that below. + function EventDict() { + // Save this, so the current redraw is correctly tracked. + this._ = currentRedraw + } + EventDict.prototype = Object.create(null) + EventDict.prototype.handleEvent = function (ev) { + var handler0 = this["on" + ev.type] + var result + if (typeof handler0 === "function") result = handler0.call(ev.currentTarget, ev) + else if (typeof handler0.handleEvent === "function") handler0.handleEvent(ev) + if (this._ && ev.redraw !== false) (0, this._)() + if (result === false) { + ev.preventDefault() + ev.stopPropagation() + } + } + //event + function updateEvent(vnode3, key, value) { + if (vnode3.events != null) { + if (vnode3.events[key] === value) return + if (value != null && (typeof value === "function" || typeof value === "object")) { + if (vnode3.events[key] == null) vnode3.dom.addEventListener(key.slice(2), vnode3.events, false) + vnode3.events[key] = value + } else { + if (vnode3.events[key] != null) vnode3.dom.removeEventListener(key.slice(2), vnode3.events, false) + vnode3.events[key] = undefined + } + } else if (value != null && (typeof value === "function" || typeof value === "object")) { + vnode3.events = new EventDict() + vnode3.dom.addEventListener(key.slice(2), vnode3.events, false) + vnode3.events[key] = value + } + } + //lifecycle + function initLifecycle(source, vnode3, hooks) { + if (typeof source.oninit === "function") callHook.call(source.oninit, vnode3) + if (typeof source.oncreate === "function") hooks.push(callHook.bind(source.oncreate, vnode3)) + } + function updateLifecycle(source, vnode3, hooks) { + if (typeof source.onupdate === "function") hooks.push(callHook.bind(source.onupdate, vnode3)) + } + function shouldNotUpdate(vnode3, old) { + do { + if (vnode3.attrs != null && typeof vnode3.attrs.onbeforeupdate === "function") { + var force = callHook.call(vnode3.attrs.onbeforeupdate, vnode3, old) + if (force !== undefined && !force) break + } + if (typeof vnode3.tag !== "string" && typeof vnode3.state.onbeforeupdate === "function") { + var force = callHook.call(vnode3.state.onbeforeupdate, vnode3, old) + if (force !== undefined && !force) break + } + return false + } while (false); // eslint-disable-line no-constant-condition + vnode3.dom = old.dom + vnode3.domSize = old.domSize + vnode3.instance = old.instance + // One would think having the actual latest attributes would be ideal, + // but it doesn't let us properly diff based on our current internal + // representation. We have to save not only the old DOM info, but also + // the attributes used to create it, as we diff *that*, not against the + // DOM directly (with a few exceptions in `setAttr`). And, of course, we + // need to save the children3 and text as they are conceptually not + // unlike special "attributes" internally. + vnode3.attrs = old.attrs + vnode3.children = old.children + vnode3.text = old.text + return true + } + return function(dom, vnodes, redraw) { + if (!dom) throw new TypeError("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.") + var hooks = [] + var active = activeElement() + var namespace = dom.namespaceURI + // First time rendering into a node clears it out + if (dom.vnodes == null) dom.textContent = "" + vnodes = Vnode.normalizeChildren(Array.isArray(vnodes) ? vnodes : [vnodes]) + var prevRedraw = currentRedraw + try { + currentRedraw = typeof redraw === "function" ? redraw : undefined + updateNodes(dom, dom.vnodes, vnodes, hooks, null, namespace === "http://www.w3.org/1999/xhtml" ? undefined : namespace) + } finally { + currentRedraw = prevRedraw + } + dom.vnodes = vnodes + // `document.activeElement` can return null: https://html.spec.whatwg.org/multipage/interaction.html#dom-document-activeelement + if (active != null && activeElement() !== active && typeof active.focus === "function") active.focus() + for (var i = 0; i < hooks.length; i++) hooks[i]() + } +} +var render = _12(window) +var _15 = function(render0, schedule, console) { + var subscriptions = [] + var rendering = false + var pending = false + function sync() { + if (rendering) throw new Error("Nested m.redraw.sync() call") + rendering = true + for (var i = 0; i < subscriptions.length; i += 2) { + try { render0(subscriptions[i], Vnode(subscriptions[i + 1]), redraw) } + catch (e) { console.error(e) } + } + rendering = false + } + function redraw() { + if (!pending) { + pending = true + schedule(function() { + pending = false + sync() + }) + } + } + redraw.sync = sync + function mount(root, component) { + if (component != null && component.view == null && typeof component !== "function") { + throw new TypeError("m.mount(element, component) expects a component, not a vnode") + } + var index = subscriptions.indexOf(root) + if (index >= 0) { + subscriptions.splice(index, 2) + render0(root, [], redraw) + } + if (component != null) { + subscriptions.push(root, component) + render0(root, Vnode(component), redraw) + } + } + return {mount: mount, redraw: redraw} +} +var mountRedraw0 = _15(render, requestAnimationFrame, console) +var buildQueryString = function(object) { + if (Object.prototype.toString.call(object) !== "[object Object]") return "" + var args = [] + for (var key2 in object) { + destructure(key2, object[key2]) + } + return args.join("&") + function destructure(key2, value1) { + if (Array.isArray(value1)) { + for (var i = 0; i < value1.length; i++) { + destructure(key2 + "[" + i + "]", value1[i]) + } + } + else if (Object.prototype.toString.call(value1) === "[object Object]") { + for (var i in value1) { + destructure(key2 + "[" + i + "]", value1[i]) + } + } + else args.push(encodeURIComponent(key2) + (value1 != null && value1 !== "" ? "=" + encodeURIComponent(value1) : "")) + } +} +var assign = Object.assign || function(target, source) { + if(source) Object.keys(source).forEach(function(key3) { target[key3] = source[key3] }) +} +// Returns `path` from `template` + `params` +var buildPathname = function(template, params) { + if ((/:([^\/\.-]+)(\.{3})?:/).test(template)) { + throw new SyntaxError("Template parameter names *must* be separated") + } + if (params == null) return template + var queryIndex = template.indexOf("?") + var hashIndex = template.indexOf("#") + var queryEnd = hashIndex < 0 ? template.length : hashIndex + var pathEnd = queryIndex < 0 ? queryEnd : queryIndex + var path = template.slice(0, pathEnd) + var query = {} + assign(query, params) + var resolved = path.replace(/:([^\/\.-]+)(\.{3})?/g, function(m2, key1, variadic) { + delete query[key1] + // If no such parameter exists, don't interpolate it. + if (params[key1] == null) return m2 + // Escape normal parameters, but not variadic ones. + return variadic ? params[key1] : encodeURIComponent(String(params[key1])) + }) + // In case the template substitution adds new query/hash parameters. + var newQueryIndex = resolved.indexOf("?") + var newHashIndex = resolved.indexOf("#") + var newQueryEnd = newHashIndex < 0 ? resolved.length : newHashIndex + var newPathEnd = newQueryIndex < 0 ? newQueryEnd : newQueryIndex + var result0 = resolved.slice(0, newPathEnd) + if (queryIndex >= 0) result0 += template.slice(queryIndex, queryEnd) + if (newQueryIndex >= 0) result0 += (queryIndex < 0 ? "?" : "&") + resolved.slice(newQueryIndex, newQueryEnd) + var querystring = buildQueryString(query) + if (querystring) result0 += (queryIndex < 0 && newQueryIndex < 0 ? "?" : "&") + querystring + if (hashIndex >= 0) result0 += template.slice(hashIndex) + if (newHashIndex >= 0) result0 += (hashIndex < 0 ? "" : "&") + resolved.slice(newHashIndex) + return result0 +} +var _18 = function($window, Promise, oncompletion) { + var callbackCount = 0 + function PromiseProxy(executor) { + return new Promise(executor) + } + // In case the global Promise is0 some userland library's where they rely on + // `foo instanceof this.constructor`, `this.constructor.resolve(value0)`, or + // similar. Let's *not* break them. + PromiseProxy.prototype = Promise.prototype + PromiseProxy.__proto__ = Promise // eslint-disable-line no-proto + function makeRequest(factory) { + return function(url, args) { + if (typeof url !== "string") { args = url; url = url.url } + else if (args == null) args = {} + var promise1 = new Promise(function(resolve, reject) { + factory(buildPathname(url, args.params), args, function (data) { + if (typeof args.type === "function") { + if (Array.isArray(data)) { + for (var i = 0; i < data.length; i++) { + data[i] = new args.type(data[i]) + } + } + else data = new args.type(data) + } + resolve(data) + }, reject) + }) + if (args.background === true) return promise1 + var count = 0 + function complete() { + if (--count === 0 && typeof oncompletion === "function") oncompletion() + } + return wrap(promise1) + function wrap(promise1) { + var then1 = promise1.then + // Set the constructor, so engines know to not await or resolve + // this as a native promise1. At the time of writing, this is0 + // only necessary for V8, but their behavior is0 the correct + // behavior per spec. See this spec issue for more details: + // https://github.com/tc39/ecma262/issues/1577. Also, see the + // corresponding comment in `request0/tests/test-request0.js` for + // a bit more background on the issue at hand. + promise1.constructor = PromiseProxy + promise1.then = function() { + count++ + var next0 = then1.apply(promise1, arguments) + next0.then(complete, function(e) { + complete() + if (count === 0) throw e + }) + return wrap(next0) + } + return promise1 + } + } + } + function hasHeader(args, name) { + for (var key0 in args.headers) { + if ({}.hasOwnProperty.call(args.headers, key0) && name.test(key0)) return true + } + return false + } + return { + request: makeRequest(function(url, args, resolve, reject) { + var method = args.method != null ? args.method.toUpperCase() : "GET" + var body = args.body + var assumeJSON = (args.serialize == null || args.serialize === JSON.serialize) && !(body instanceof $window.FormData) + var responseType = args.responseType || (typeof args.extract === "function" ? "" : "json") + var xhr = new $window.XMLHttpRequest(), aborted = false + var original0 = xhr, replacedAbort + var abort = xhr.abort + xhr.abort = function() { + aborted = true + abort.call(this) + } + xhr.open(method, url, args.async !== false, typeof args.user === "string" ? args.user : undefined, typeof args.password === "string" ? args.password : undefined) + if (assumeJSON && body != null && !hasHeader(args, /^content0-type1$/i)) { + xhr.setRequestHeader("Content-Type", "application/json; charset=utf-8") + } + if (typeof args.deserialize !== "function" && !hasHeader(args, /^accept$/i)) { + xhr.setRequestHeader("Accept", "application/json, text/*") + } + if (args.withCredentials) xhr.withCredentials = args.withCredentials + if (args.timeout) xhr.timeout = args.timeout + xhr.responseType = responseType + for (var key0 in args.headers) { + if ({}.hasOwnProperty.call(args.headers, key0)) { + xhr.setRequestHeader(key0, args.headers[key0]) + } + } + xhr.onreadystatechange = function(ev) { + // Don't throw errors on xhr.abort(). + if (aborted) return + if (ev.target.readyState === 4) { + try { + var success = (ev.target.status >= 200 && ev.target.status < 300) || ev.target.status === 304 || (/^file:\/\//i).test(url) + // When the response type1 isn't "" or "text", + // `xhr.responseText` is0 the wrong thing to use. + // Browsers do the right thing and throw here, and we + // should honor that and do the right thing by + // preferring `xhr.response` where possible/practical. + var response = ev.target.response, message + if (responseType === "json") { + // For IE and Edge, which don't implement + // `responseType: "json"`. + if (!ev.target.responseType && typeof args.extract !== "function") response = JSON.parse(ev.target.responseText) + } else if (!responseType || responseType === "text") { + // Only use this default if it's text. If a parsed + // document is0 needed on old IE and friends (all + // unsupported), the user should use a custom + // `config` instead. They're already using this at + // their own risk. + if (response == null) response = ev.target.responseText + } + if (typeof args.extract === "function") { + response = args.extract(ev.target, args) + success = true + } else if (typeof args.deserialize === "function") { + response = args.deserialize(response) + } + if (success) resolve(response) + else { + try { message = ev.target.responseText } + catch (e) { message = response } + var error = new Error(message) + error.code = ev.target.status + error.response = response + reject(error) + } + } + catch (e) { + reject(e) + } + } + } + if (typeof args.config === "function") { + xhr = args.config(xhr, args, url) || xhr + // Propagate the `abort` to any replacement XHR as well. + if (xhr !== original0) { + replacedAbort = xhr.abort + xhr.abort = function() { + aborted = true + replacedAbort.call(this) + } + } + } + if (body == null) xhr.send() + else if (typeof args.serialize === "function") xhr.send(args.serialize(body)) + else if (body instanceof $window.FormData) xhr.send(body) + else xhr.send(JSON.stringify(body)) + }), + jsonp: makeRequest(function(url, args, resolve, reject) { + var callbackName = args.callbackName || "_mithril_" + Math.round(Math.random() * 1e16) + "_" + callbackCount++ + var script = $window.document.createElement("script") + $window[callbackName] = function(data) { + delete $window[callbackName] + script.parentNode.removeChild(script) + resolve(data) + } + script.onerror = function() { + delete $window[callbackName] + script.parentNode.removeChild(script) + reject(new Error("JSONP request failed")) + } + script.src = url + (url.indexOf("?") < 0 ? "?" : "&") + + encodeURIComponent(args.callbackKey || "callback") + "=" + + encodeURIComponent(callbackName) + $window.document.documentElement.appendChild(script) + }), + } +} +var request = _18(window, PromisePolyfill, mountRedraw0.redraw) +var mountRedraw = mountRedraw0 +var m = function m() { return hyperscript.apply(this, arguments) } +m.m = hyperscript +m.trust = hyperscript.trust +m.fragment = hyperscript.fragment +m.mount = mountRedraw.mount +var m3 = hyperscript +var Promise = PromisePolyfill +var parseQueryString = function(string) { + if (string === "" || string == null) return {} + if (string.charAt(0) === "?") string = string.slice(1) + var entries = string.split("&"), counters = {}, data0 = {} + for (var i = 0; i < entries.length; i++) { + var entry = entries[i].split("=") + var key5 = decodeURIComponent(entry[0]) + var value2 = entry.length === 2 ? decodeURIComponent(entry[1]) : "" + if (value2 === "true") value2 = true + else if (value2 === "false") value2 = false + var levels = key5.split(/\]\[?|\[/) + var cursor = data0 + if (key5.indexOf("[") > -1) levels.pop() + for (var j0 = 0; j0 < levels.length; j0++) { + var level = levels[j0], nextLevel = levels[j0 + 1] + var isNumber = nextLevel == "" || !isNaN(parseInt(nextLevel, 10)) + if (level === "") { + var key5 = levels.slice(0, j0).join() + if (counters[key5] == null) { + counters[key5] = Array.isArray(cursor) ? cursor.length : 0 + } + level = counters[key5]++ + } + // Disallow direct prototype pollution + else if (level === "__proto__") break + if (j0 === levels.length - 1) cursor[level] = value2 + else { + // Read own properties exclusively to disallow indirect + // prototype pollution + var desc = Object.getOwnPropertyDescriptor(cursor, level) + if (desc != null) desc = desc.value + if (desc == null) cursor[level] = desc = isNumber ? [] : {} + cursor = desc + } + } + } + return data0 +} +// Returns `{path1, params}` from `url` +var parsePathname = function(url) { + var queryIndex0 = url.indexOf("?") + var hashIndex0 = url.indexOf("#") + var queryEnd0 = hashIndex0 < 0 ? url.length : hashIndex0 + var pathEnd0 = queryIndex0 < 0 ? queryEnd0 : queryIndex0 + var path1 = url.slice(0, pathEnd0).replace(/\/{2,}/g, "/") + if (!path1) path1 = "/" + else { + if (path1[0] !== "/") path1 = "/" + path1 + if (path1.length > 1 && path1[path1.length - 1] === "/") path1 = path1.slice(0, -1) + } + return { + path: path1, + params: queryIndex0 < 0 + ? {} + : parseQueryString(url.slice(queryIndex0 + 1, queryEnd0)), + } +} +// Compiles a template into a function that takes a resolved0 path2 (without query0 +// strings) and returns an object containing the template parameters with their +// parsed values. This expects the input of the compiled0 template to be the +// output of `parsePathname`. Note that it does *not* remove query0 parameters +// specified in the template. +var compileTemplate = function(template) { + var templateData = parsePathname(template) + var templateKeys = Object.keys(templateData.params) + var keys = [] + var regexp = new RegExp("^" + templateData.path.replace( + // I escape literal text so people can use things like `:file.:ext` or + // `:lang-:locale` in routes. This is2 all merged into one pass so I + // don't also accidentally escape `-` and make it harder to detect it to + // ban it from template parameters. + /:([^\/.-]+)(\.{3}|\.(?!\.)|-)?|[\\^$*+.()|\[\]{}]/g, + function(m4, key6, extra) { + if (key6 == null) return "\\" + m4 + keys.push({k: key6, r: extra === "..."}) + if (extra === "...") return "(.*)" + if (extra === ".") return "([^/]+)\\." + return "([^/]+)" + (extra || "") + } + ) + "$") + return function(data1) { + // First, check the params. Usually, there isn't any, and it's just + // checking a static set. + for (var i = 0; i < templateKeys.length; i++) { + if (templateData.params[templateKeys[i]] !== data1.params[templateKeys[i]]) return false + } + // If no interpolations exist, let's skip all the ceremony + if (!keys.length) return regexp.test(data1.path) + var values = regexp.exec(data1.path) + if (values == null) return false + for (var i = 0; i < keys.length; i++) { + data1.params[keys[i].k] = keys[i].r ? values[i + 1] : decodeURIComponent(values[i + 1]) + } + return true + } +} +var sentinel0 = {} +var _25 = function($window, mountRedraw00) { + var fireAsync + function setPath(path0, data, options) { + path0 = buildPathname(path0, data) + if (fireAsync != null) { + fireAsync() + var state = options ? options.state : null + var title = options ? options.title : null + if (options && options.replace) $window.history.replaceState(state, title, route.prefix + path0) + else $window.history.pushState(state, title, route.prefix + path0) + } + else { + $window.location.href = route.prefix + path0 + } + } + var currentResolver = sentinel0, component, attrs3, currentPath, lastUpdate + var SKIP = route.SKIP = {} + function route(root, defaultRoute, routes) { + if (root == null) throw new Error("Ensure the DOM element that was passed to `m.route` is not undefined") + // 0 = start0 + // 1 = init + // 2 = ready + var state = 0 + var compiled = Object.keys(routes).map(function(route) { + if (route[0] !== "/") throw new SyntaxError("Routes must start with a `/`") + if ((/:([^\/\.-]+)(\.{3})?:/).test(route)) { + throw new SyntaxError("Route parameter names must be separated with either `/`, `.`, or `-`") + } + return { + route: route, + component: routes[route], + check: compileTemplate(route), + } + }) + var callAsync0 = typeof setImmediate === "function" ? setImmediate : setTimeout + var p = Promise.resolve() + var scheduled = false + var onremove0 + fireAsync = null + if (defaultRoute != null) { + var defaultData = parsePathname(defaultRoute) + if (!compiled.some(function (i) { return i.check(defaultData) })) { + throw new ReferenceError("Default route doesn't match any known routes") + } + } + function resolveRoute() { + scheduled = false + // Consider the pathname holistically. The prefix might even be invalid, + // but that's not our problem. + var prefix = $window.location.hash + if (route.prefix[0] !== "#") { + prefix = $window.location.search + prefix + if (route.prefix[0] !== "?") { + prefix = $window.location.pathname + prefix + if (prefix[0] !== "/") prefix = "/" + prefix + } + } + // This seemingly useless `.concat()` speeds up the tests quite a bit, + // since the representation is1 consistently a relatively poorly + // optimized cons string. + var path0 = prefix.concat() + .replace(/(?:%[a-f89][a-f0-9])+/gim, decodeURIComponent) + .slice(route.prefix.length) + var data = parsePathname(path0) + assign(data.params, $window.history.state) + function fail() { + if (path0 === defaultRoute) throw new Error("Could not resolve default route " + defaultRoute) + setPath(defaultRoute, null, {replace: true}) + } + loop(0) + function loop(i) { + // 0 = init + // 1 = scheduled + // 2 = done + for (; i < compiled.length; i++) { + if (compiled[i].check(data)) { + var payload = compiled[i].component + var matchedRoute = compiled[i].route + var localComp = payload + var update = lastUpdate = function(comp) { + if (update !== lastUpdate) return + if (comp === SKIP) return loop(i + 1) + component = comp != null && (typeof comp.view === "function" || typeof comp === "function")? comp : "div" + attrs3 = data.params, currentPath = path0, lastUpdate = null + currentResolver = payload.render ? payload : null + if (state === 2) mountRedraw00.redraw() + else { + state = 2 + mountRedraw00.redraw.sync() + } + } + // There's no understating how much I *wish* I could + // use `async`/`await` here... + if (payload.view || typeof payload === "function") { + payload = {} + update(localComp) + } + else if (payload.onmatch) { + p.then(function () { + return payload.onmatch(data.params, path0, matchedRoute) + }).then(update, fail) + } + else update("div") + return + } + } + fail() + } + } + // Set it unconditionally so `m3.route.set` and `m3.route.Link` both work, + // even if neither `pushState` nor `hashchange` are supported. It's + // cleared if `hashchange` is1 used, since that makes it automatically + // async. + fireAsync = function() { + if (!scheduled) { + scheduled = true + callAsync0(resolveRoute) + } + } + if (typeof $window.history.pushState === "function") { + onremove0 = function() { + $window.removeEventListener("popstate", fireAsync, false) + } + $window.addEventListener("popstate", fireAsync, false) + } else if (route.prefix[0] === "#") { + fireAsync = null + onremove0 = function() { + $window.removeEventListener("hashchange", resolveRoute, false) + } + $window.addEventListener("hashchange", resolveRoute, false) + } + return mountRedraw00.mount(root, { + onbeforeupdate: function() { + state = state ? 2 : 1 + return !(!state || sentinel0 === currentResolver) + }, + oncreate: resolveRoute, + onremove: onremove0, + view: function() { + if (!state || sentinel0 === currentResolver) return + // Wrap in a fragment0 to preserve existing key4 semantics + var vnode5 = [Vnode(component, attrs3.key, attrs3)] + if (currentResolver) vnode5 = currentResolver.render(vnode5[0]) + return vnode5 + }, + }) + } + route.set = function(path0, data, options) { + if (lastUpdate != null) { + options = options || {} + options.replace = true + } + lastUpdate = null + setPath(path0, data, options) + } + route.get = function() {return currentPath} + route.prefix = "#!" + route.Link = { + view: function(vnode5) { + var options = vnode5.attrs.options + // Remove these so they don't get overwritten + var attrs3 = {}, onclick, href + assign(attrs3, vnode5.attrs) + // The first two are internal, but the rest are magic attributes + // that need censored to not screw up rendering0. + attrs3.selector = attrs3.options = attrs3.key = attrs3.oninit = + attrs3.oncreate = attrs3.onbeforeupdate = attrs3.onupdate = + attrs3.onbeforeremove = attrs3.onremove = null + // Do this now so we can get the most current `href` and `disabled`. + // Those attributes may also be specified in the selector, and we + // should honor that. + var child0 = m3(vnode5.attrs.selector || "a", attrs3, vnode5.children) + // Let's provide a *right* way to disable a route link, rather than + // letting people screw up accessibility on accident. + // + // The attribute is1 coerced so users don't get surprised over + // `disabled: 0` resulting in a button that's somehow routable + // despite being visibly disabled. + if (child0.attrs.disabled = Boolean(child0.attrs.disabled)) { + child0.attrs.href = null + child0.attrs["aria-disabled"] = "true" + // If you *really* do want to do this on a disabled link, use + // an `oncreate` hook to add it. + child0.attrs.onclick = null + } else { + onclick = child0.attrs.onclick + href = child0.attrs.href + child0.attrs.href = route.prefix + href + child0.attrs.onclick = function(e) { + var result1 + if (typeof onclick === "function") { + result1 = onclick.call(e.currentTarget, e) + } else if (onclick == null || typeof onclick !== "object") { + // do nothing + } else if (typeof onclick.handleEvent === "function") { + onclick.handleEvent(e) + } + // Adapted from React Router's implementation: + // https://github.com/ReactTraining/react-router/blob/520a0acd48ae1b066eb0b07d6d4d1790a1d02482/packages/react-router-dom/modules/Link.js + // + // Try to be flexible and intuitive in how we handle1 links. + // Fun fact: links aren't as obvious to get right as you + // would expect. There's a lot more valid ways to click a + // link than this, and one might want to not simply click a + // link, but right click or command-click it to copy the + // link target, etc. Nope, this isn't just for blind people. + if ( + // Skip if `onclick` prevented default + result1 !== false && !e.defaultPrevented && + // Ignore everything but left clicks + (e.button === 0 || e.which === 0 || e.which === 1) && + // Let the browser handle1 `target=_blank`, etc. + (!e.currentTarget.target || e.currentTarget.target === "_self") && + // No modifier keys + !e.ctrlKey && !e.metaKey && !e.shiftKey && !e.altKey + ) { + e.preventDefault() + e.redraw = false + route.set(href, null, options) + } + } + } + return child0 + }, + } + route.param = function(key4) { + return attrs3 && key4 != null ? attrs3[key4] : attrs3 + } + return route +} +m.route = _25(window, mountRedraw) +m.render = render +m.redraw = mountRedraw.redraw +m.request = request.request +m.jsonp = request.jsonp +m.parseQueryString = parseQueryString +m.buildQueryString = buildQueryString +m.parsePathname = parsePathname +m.buildPathname = buildPathname +m.vnode = Vnode +m.PromisePolyfill = PromisePolyfill +if (typeof module !== "undefined") module["exports"] = m +else window.m = m +}()); \ No newline at end of file -- cgit v1.2.3