/
signal-api.html
2309 lines (1888 loc) · 87.5 KB
/
signal-api.html
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<!doctype html>
<html>
<meta charset="utf-8">
<head>
<script> (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var VNode = require('vtree/vnode');
var svg = require('virtual-hyperscript/svg');
var VText = require('vtree/vtext');
var VPatch = require('vtree/vpatch');
var diff = require('virtual-dom/diff');
var patch = require('virtual-dom/patch');
var createElement = require('virtual-dom/create-element');
var nodeIndex = require('./node-index');
var patchVNode = require('./patch-vnode');
var isArray = require('x-is-array');
var isVPatch = require('./is-vpatch');
var P = Patchwork = {
nodes: {},
debug: false,
Node: function (id, jlNode, el, renderOpts) {
if (typeof(el) === "undefined") {
el = document.getElementById(id)
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this.renderOptions = renderOpts
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var vnode = P.makeVNode(jlNode)
P.log("makeVNode: ", jlNode, "=>", vnode)
this.mount(vnode, el, renderOpts)
}
P.nodes[id] = this
},
NAMESPACES: {
"xhtml": null,
"svg": "http://www.w3.org/2000/svg",
null: null,
undefined: null
},
refDiff: function (a, b, p) {
var a = P.makeVNode(a)
b = P.makeVNode(b)
p = P.makeVPatches(a, p)
console.log(p, diff(a, b));
},
massageProps: function (props) {
if ("attributes" in props) {
// we can't send undefined over JSON, so we turn nulls into undefs
// so that VDom calls removeAttribute on the DOM node.
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if (props.attributes[attr] === null) {
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hooks: {},
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if (props._hook in P.hooks) {
v = P.hooks[props._hook](P.setupHooks(props.val));
return v
} else {
console.warn("Unknown hook " + props._hook + "use Patchwork.register_hook to set it up")
return undefined
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} else {
for (var k in props) {
props[k] = P.setupHooks(props[k]);
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}
},
makeVNode: function (jlNode) {
if ('txt' in jlNode) return new VText(jlNode.txt);
var children = [],
props = P.massageProps(jlNode.p || {})
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children[i] = P.makeVNode(jlNode.c[i])
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return svg(jlNode.t, props, children)
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var key = null
if (props && props.key) {
key = props.key
delete props.key
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return new VNode(jlNode.t,
props,
children,
key,
P.NAMESPACES[jlNode.n]);
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makeVPatches: function (root, jlPatches) {
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var vpatches = {a: root}
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indices.push(Number(idx))
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nodes = nodeIndex(root, indices)
for (var idx in jlPatches) {
vpatches[idx] = P.makeVPatch(nodes[idx], jlPatches[idx]);
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makeVPatch: function (vnode, jlPatch) {
if (isArray(jlPatch)) {
// multiple patches to the same VNode
var ps = [];
for (var i=0, l=jlPatch.length; i < l; i++) {
ps[i] = P.makeVPatch(vnode, jlPatch[i])
}
return ps
}
var type, patch;
for (var k in jlPatch) {
type = k;
patch = jlPatch[k];
break; // inorite?
}
function vpatch(p) { return new VPatch(type, vnode, p); }
switch (Number(type)) {
case VPatch.VTEXT:
return vpatch(new VText(patch));
case VPatch.VNODE:
return vpatch(P.makeVNode(patch));
case VPatch.PROPS:
patch = P.massageProps(patch)
if (vnode.namespace === P.NAMESPACES["svg"]) {
patch = svg('dummy', patch, []).properties
}
return vpatch(patch);
case VPatch.ORDER:
return vpatch(patch);
case VPatch.INSERT:
return vpatch(P.makeVNode(patch));
case VPatch.REMOVE:
return vpatch(null);
default:
return null;
}
},
log: function () {
if (console && P.debug) {
console.log.apply(console, arguments);
}
}
}
Patchwork.Node.prototype = {
mount: function (vnode, outer, renderOpts) {
var el = createElement(vnode, renderOpts);
P.log("createElement: ", vnode, "=>", el)
outer.appendChild(el)
this.element = el
this.root = vnode;
return el;
},
applyPatch: function (vpatches) {
// apply patch to DOM nodes
if (!isVPatch(vpatches)) {
vpatches = P.makeVPatches(this.root, vpatches)
}
this.element = patch(this.element, vpatches, this.renderOptions)
this.root = patchVNode(this.root, vpatches)
}
}
function init(nb, cue) {
if (!Patchwork.inited) {
try {
console.log("attempting Patchwork setup, cue:", cue)
var commMgr = nb.kernel.comm_manager;
commMgr.register_target("PatchStream", function (comm, msg) {
var nodeId = msg.content.data.pwid;
comm.on_msg(function (msg) {
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P.log("received patches", patches)
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Patchwork.inited = true;
} catch (e) {
Patchwork.inited = false;
console.log("ERROR initializing patchwork: ", e);
console.log("attempting failed, cue:", cue)
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// IJulia setup
if (typeof(window.IPython) !== "undefined") {
init(IPython.notebook, "immediate");
$(document).ready(function () { init(IPython.notebook, "document ready"); });
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init(nb, "kernel start")
})
}
window.Patchwork = Patchwork;
},{"./is-vpatch":2,"./node-index":3,"./patch-vnode":58,"virtual-dom/create-element":5,"virtual-dom/diff":6,"virtual-dom/patch":23,"virtual-hyperscript/svg":47,"vtree/vnode":53,"vtree/vpatch":54,"vtree/vtext":55,"x-is-array":56}],2:[function(require,module,exports){
var version = require("vtree/version")
module.exports = isVirtualPatch
function isVirtualPatch(x) {
return x && x.type === "VirtualPatch" && x.version === version
}
},{"vtree/version":52}],3:[function(require,module,exports){
module.exports = nodeIndex
function nodeIndex(tree, indices, nodes) {
if (!indices || indices.length === 0) {
return {}
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indices.sort(ascending)
return recurse(tree, indices, nodes, 0)
}
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function recurse(tree, indices, nodes, rootIndex) {
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recurse(vChild, indices, nodes, rootIndex)
}
rootIndex = nextIndex
}
}
} else {
rootIndex
}
return nodes
}
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function isObject(x) {
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var createElement = require("vdom/create-element")
module.exports = createElement
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var diff = require("vtree/diff")
module.exports = diff
},{"vtree/diff":14}],7:[function(require,module,exports){
var isObject = require("is-object")
var isHook = require("vtree/is-vhook")
module.exports = applyProperties
function applyProperties(node, props, previous, renderOptions) {
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renderOptions.extractNode(node) : node
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var propValue = props[propName]
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removeProperty(domNode, props, previous, propName);
} else if (isHook(propValue)) {
propValue.hook(domNode,
propName,
previous ? previous[propName] : undefined)
} else {
if (isObject(propValue)) {
patchObject(domNode, props, previous, propName, propValue);
} else if (propValue !== undefined) {
domNode[propName] = propValue
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}
}
}
function removeProperty(node, props, previous, propName) {
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if (propName === "attributes") {
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node.removeAttribute(attrName)
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for (var i in previousValue) {
node.style[i] = ""
}
} else if (typeof previousValue === "string") {
node[propName] = ""
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node[propName] = null
}
}
}
}
function patchObject(node, props, previous, propName, propValue) {
var previousValue = previous ? previous[propName] : undefined
// Set attributes
if (propName === "attributes") {
for (var attrName in propValue) {
var attrValue = propValue[attrName]
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node.removeAttribute(attrName)
} else {
node.setAttribute(attrName, attrValue)
}
}
return
}
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getPrototype(previousValue) !== getPrototype(propValue)) {
node[propName] = propValue
return
}
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node[propName] = {}
}
var replacer = propName === "style" ? "" : undefined
for (var k in propValue) {
var value = propValue[k]
node[propName][k] = (value === undefined) ? replacer : value
}
}
function getPrototype(value) {
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return Object.getPrototypeOf(value)
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} else if (value.constructor) {
return value.constructor.prototype
}
}
},{"is-object":4,"vtree/is-vhook":17}],8:[function(require,module,exports){
var document = require("global/document")
var applyProperties = require("./apply-properties")
var isVNode = require("vtree/is-vnode")
var isVText = require("vtree/is-vtext")
var isWidget = require("vtree/is-widget")
var handleThunk = require("vtree/handle-thunk")
module.exports = createElement
function id(x) { return x }
function createElement(vnode, opts) {
var doc = opts ? opts.document || document : document
var warn = opts ? opts.warn : null
vnode = handleThunk(vnode).a
if (isWidget(vnode)) {
return vnode.init()
} else if (isVText(vnode)) {
return doc.createTextNode(vnode.text)
} else if (!isVNode(vnode)) {
if (warn) {
warn("Item is not a valid virtual dom node", vnode)
}
return null
}
var node = (vnode.namespace === null) ?
doc.createElement(vnode.tagName, vnode.properties.is) :
doc.createElementNS(vnode.namespace, vnode.tagName)
var props = vnode.properties
applyProperties(node, props, null, opts)
var children = vnode.children
for (var i = 0; i < children.length; i++) {
var childNode = createElement(children[i], opts)
if (childNode) {
node.appendChild(childNode)
}
}
return node
}
},{"./apply-properties":7,"global/document":10,"vtree/handle-thunk":15,"vtree/is-vnode":18,"vtree/is-vtext":19,"vtree/is-widget":20}],9:[function(require,module,exports){
// Maps a virtual DOM tree onto a real DOM tree in an efficient manner.
// We don't want to read all of the DOM nodes in the tree so we use
// the in-order tree indexing to eliminate recursion down certain branches.
// We only recurse into a DOM node if we know that it contains a child of
// interest.
var noChild = {}
module.exports = domIndex
function domIndex(rootNode, tree, indices, nodes) {
if (!indices || indices.length === 0) {
return {}
} else {
indices.sort(ascending)
return recurse(rootNode, tree, indices, nodes, 0)
}
}
function recurse(rootNode, tree, indices, nodes, rootIndex) {
nodes = nodes || {}
if (rootNode) {
if (indexInRange(indices, rootIndex, rootIndex)) {
nodes[rootIndex] = rootNode
}
var vChildren = tree.children
if (vChildren) {
var childNodes = rootNode.childNodes
for (var i = 0; i < tree.children.length; i++) {
rootIndex += 1
var vChild = vChildren[i] || noChild
var nextIndex = rootIndex + (vChild.count || 0)
// skip recursion down the tree if there are no nodes down here
if (indexInRange(indices, rootIndex, nextIndex)) {
recurse(childNodes[i], vChild, indices, nodes, rootIndex)
}
rootIndex = nextIndex
}
}
}
return nodes
}
// Binary search for an index in the interval [left, right]
function indexInRange(indices, left, right) {
if (indices.length === 0) {
return false
}
var minIndex = 0
var maxIndex = indices.length - 1
var currentIndex
var currentItem
while (minIndex <= maxIndex) {
currentIndex = ((maxIndex + minIndex) / 2) >> 0
currentItem = indices[currentIndex]
if (minIndex === maxIndex) {
return currentItem >= left && currentItem <= right
} else if (currentItem < left) {
minIndex = currentIndex + 1
} else if (currentItem > right) {
maxIndex = currentIndex - 1
} else {
return true
}
}
return false;
}
function ascending(a, b) {
return a > b ? 1 : -1
}
},{}],10:[function(require,module,exports){
(function (global){
var topLevel = typeof global !== 'undefined' ? global :
typeof window !== 'undefined' ? window : {}
var minDoc = require('min-document');
if (typeof document !== 'undefined') {
module.exports = document;
} else {
var doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
if (!doccy) {
doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
}
module.exports = doccy;
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"min-document":60}],11:[function(require,module,exports){
var applyProperties = require("./apply-properties")
var isWidget = require("vtree/is-widget")
var VPatch = require("vtree/vpatch")
var render = require("./create-element")
var updateWidget = require("./update-widget")
module.exports = applyPatch
function applyPatch(vpatch, domNode, renderOptions) {
var type = vpatch.type
var vNode = vpatch.vNode
var patch = vpatch.patch
switch (type) {
case VPatch.REMOVE:
return removeNode(domNode, vNode)
case VPatch.INSERT:
return insertNode(domNode, patch, renderOptions)
case VPatch.VTEXT:
return stringPatch(domNode, vNode, patch, renderOptions)
case VPatch.WIDGET:
return widgetPatch(domNode, vNode, patch, renderOptions)
case VPatch.VNODE:
return vNodePatch(domNode, vNode, patch, renderOptions)
case VPatch.ORDER:
reorderChildren(domNode, patch)
return domNode
case VPatch.PROPS:
applyProperties(domNode, patch, vNode.properties, renderOptions)
return domNode
case VPatch.THUNK:
return replaceRoot(domNode,
renderOptions.patch(domNode, patch, renderOptions))
default:
return domNode
}
}
function removeNode(domNode, vNode) {
var parentNode = domNode.parentNode
if (parentNode) {
parentNode.removeChild(domNode)
}
destroyWidget(domNode, vNode);
return null
}
function insertNode(parentNode, vNode, renderOptions) {
var newNode = render(vNode, renderOptions)
if (parentNode) {
parentNode.appendChild(newNode)
}
return parentNode
}
function stringPatch(domNode, leftVNode, vText, renderOptions) {
var newNode
if (domNode.nodeType === 3) {
domNode.replaceData(0, domNode.length, vText.text)
newNode = domNode
} else {
var parentNode = domNode.parentNode
newNode = render(vText, renderOptions)
if (parentNode) {
parentNode.replaceChild(newNode, domNode)
}
}
destroyWidget(domNode, leftVNode)
return newNode
}
function widgetPatch(domNode, leftVNode, widget, renderOptions) {
if (updateWidget(leftVNode, widget)) {
return widget.update(leftVNode, domNode) || domNode
}
var parentNode = domNode.parentNode
var newWidget = render(widget, renderOptions)
if (parentNode) {
parentNode.replaceChild(newWidget, domNode)
}
destroyWidget(domNode, leftVNode)
return newWidget
}
function vNodePatch(domNode, leftVNode, vNode, renderOptions) {
var parentNode = domNode.parentNode
var newNode = render(vNode, renderOptions)
if (parentNode) {
parentNode.replaceChild(newNode, domNode)
}
destroyWidget(domNode, leftVNode)
return newNode
}
function destroyWidget(domNode, w) {
if (typeof w.destroy === "function" && isWidget(w)) {
w.destroy(domNode)
}
}
function reorderChildren(domNode, bIndex) {
var children = []
var childNodes = domNode.childNodes
var len = childNodes.length
var i
var reverseIndex = bIndex.reverse
for (i = 0; i < len; i++) {
children.push(domNode.childNodes[i])
}
var insertOffset = 0
var move
var node
var insertNode
for (i = 0; i < len; i++) {
move = bIndex[i]
if (move !== undefined && move !== i) {
// the element currently at this index will be moved later so increase the insert offset
if (reverseIndex[i] > i) {
insertOffset++
}
node = children[move]
insertNode = childNodes[i + insertOffset] || null
if (node !== insertNode) {
domNode.insertBefore(node, insertNode)
}
// the moved element came from the front of the array so reduce the insert offset
if (move < i) {
insertOffset--
}
}
// element at this index is scheduled to be removed so increase insert offset
if (i in bIndex.removes) {
insertOffset++
}
}
}
function replaceRoot(oldRoot, newRoot) {
if (oldRoot && newRoot && oldRoot !== newRoot && oldRoot.parentNode) {
console.log(oldRoot)
oldRoot.parentNode.replaceChild(newRoot, oldRoot)
}
return newRoot;
}
},{"./apply-properties":7,"./create-element":8,"./update-widget":13,"vtree/is-widget":20,"vtree/vpatch":22}],12:[function(require,module,exports){
var document = require("global/document")
var isArray = require("x-is-array")
var domIndex = require("./dom-index")
var patchOp = require("./patch-op")
module.exports = patch
function patch(rootNode, patches, renderOptions) {
return patchRecursive(rootNode, patches, renderOptions)
}
function patchRecursive(rootNode, patches, renderOptions) {
var indices = patchIndices(patches)
if (indices.length === 0) {
return rootNode
}
var index = domIndex(rootNode, patches.a, indices)
var ownerDocument = rootNode.ownerDocument
if (!renderOptions) {
renderOptions = {}
if (ownerDocument !== document) {
renderOptions.document = ownerDocument
}
}
if (!renderOptions.patch) {
renderOptions.patch = patchRecursive
}
for (var i = 0; i < indices.length; i++) {
var nodeIndex = indices[i]
rootNode = applyPatch(rootNode,
index[nodeIndex],
patches[nodeIndex],
renderOptions)
}
return rootNode
}
function applyPatch(rootNode, domNode, patchList, renderOptions) {
if (!domNode) {
return rootNode
}
var newNode
if (isArray(patchList)) {
for (var i = 0; i < patchList.length; i++) {
newNode = patchOp(patchList[i], domNode, renderOptions)
if (domNode === rootNode) {
rootNode = newNode
}
}
} else {
newNode = patchOp(patchList, domNode, renderOptions)
if (domNode === rootNode) {
rootNode = newNode
}
}
return rootNode
}
function patchIndices(patches) {
var indices = []
for (var key in patches) {
if (key !== "a") {
indices.push(Number(key))
}
}
return indices
}
},{"./dom-index":9,"./patch-op":11,"global/document":10,"x-is-array":56}],13:[function(require,module,exports){
var isWidget = require("vtree/is-widget")
module.exports = updateWidget
function updateWidget(a, b) {
if (isWidget(a) && isWidget(b)) {
if ("name" in a && "name" in b) {
return a.id === b.id
} else {
return a.init === b.init
}
}
return false
}
},{"vtree/is-widget":20}],14:[function(require,module,exports){
var isArray = require("x-is-array")
var isObject = require("is-object")
var VPatch = require("./vpatch")
var isVNode = require("./is-vnode")
var isVText = require("./is-vtext")
var isWidget = require("./is-widget")
var isThunk = require("./is-thunk")
var handleThunk = require("./handle-thunk")
module.exports = diff
function diff(a, b) {
var patch = { a: a }
walk(a, b, patch, 0)
return patch
}
function walk(a, b, patch, index) {
if (a === b) {
if (isThunk(a) || isThunk(b)) {
thunks(a, b, patch, index)
} else {
hooks(b, patch, index)
}
return
}
var apply = patch[index]
if (b == null) {
apply = appendPatch(apply, new VPatch(VPatch.REMOVE, a, b))
destroyWidgets(a, patch, index)
} else if (isThunk(a) || isThunk(b)) {
thunks(a, b, patch, index)
} else if (isVNode(b)) {
if (isVNode(a)) {
if (a.tagName === b.tagName &&
a.namespace === b.namespace &&
a.key === b.key) {
var propsPatch = diffProps(a.properties, b.properties, b.hooks)
if (propsPatch) {
apply = appendPatch(apply,
new VPatch(VPatch.PROPS, a, propsPatch))
}
apply = diffChildren(a, b, patch, apply, index)
} else {
apply = appendPatch(apply, new VPatch(VPatch.VNODE, a, b))
destroyWidgets(a, patch, index)
}
} else {
apply = appendPatch(apply, new VPatch(VPatch.VNODE, a, b))
destroyWidgets(a, patch, index)
}
} else if (isVText(b)) {
if (!isVText(a)) {
apply = appendPatch(apply, new VPatch(VPatch.VTEXT, a, b))
destroyWidgets(a, patch, index)
} else if (a.text !== b.text) {
apply = appendPatch(apply, new VPatch(VPatch.VTEXT, a, b))
}
} else if (isWidget(b)) {
apply = appendPatch(apply, new VPatch(VPatch.WIDGET, a, b))
if (!isWidget(a)) {
destroyWidgets(a, patch, index)
}
}
if (apply) {
patch[index] = apply
}
}
function diffProps(a, b, hooks) {
var diff
for (var aKey in a) {
if (!(aKey in b)) {
diff = diff || {}
diff[aKey] = undefined
}
var aValue = a[aKey]
var bValue = b[aKey]
if (hooks && aKey in hooks) {
diff = diff || {}
diff[aKey] = bValue
} else {
if (isObject(aValue) && isObject(bValue)) {
if (getPrototype(bValue) !== getPrototype(aValue)) {
diff = diff || {}
diff[aKey] = bValue
} else {
var objectDiff = diffProps(aValue, bValue)
if (objectDiff) {
diff = diff || {}
diff[aKey] = objectDiff
}
}
} else if (aValue !== bValue) {
diff = diff || {}
diff[aKey] = bValue
}
}
}
for (var bKey in b) {
if (!(bKey in a)) {
diff = diff || {}
diff[bKey] = b[bKey]
}
}
return diff
}
function getPrototype(value) {
if (Object.getPrototypeOf) {
return Object.getPrototypeOf(value)
} else if (value.__proto__) {
return value.__proto__
} else if (value.constructor) {
return value.constructor.prototype
}
}
function diffChildren(a, b, patch, apply, index) {
var aChildren = a.children
var bChildren = reorder(aChildren, b.children)
var aLen = aChildren.length
var bLen = bChildren.length
var len = aLen > bLen ? aLen : bLen
for (var i = 0; i < len; i++) {
var leftNode = aChildren[i]
var rightNode = bChildren[i]
index += 1
if (!leftNode) {
if (rightNode) {
// Excess nodes in b need to be added