Files
owl/tools/benchmarks/owl-0.7.0/owl.js
T
2019-06-10 09:31:06 +02:00

2383 lines
92 KiB
JavaScript

(function (exports) {
'use strict';
function vnode(sel, data, children, text, elm) {
let key = data === undefined ? undefined : data.key;
return { sel: sel, data: data, children: children,
text: text, elm: elm, key: key };
}
const array = Array.isArray;
function primitive(s) {
return typeof s === 'string' || typeof s === 'number';
}
function addNS(data, children, sel) {
data.ns = 'http://www.w3.org/2000/svg';
if (sel !== 'foreignObject' && children !== undefined) {
for (let i = 0; i < children.length; ++i) {
let childData = children[i].data;
if (childData !== undefined) {
addNS(childData, children[i].children, children[i].sel);
}
}
}
}
function h(sel, b, c) {
var data = {}, children, text, i;
if (c !== undefined) {
data = b;
if (array(c)) {
children = c;
}
else if (primitive(c)) {
text = c;
}
else if (c && c.sel) {
children = [c];
}
}
else if (b !== undefined) {
if (array(b)) {
children = b;
}
else if (primitive(b)) {
text = b;
}
else if (b && b.sel) {
children = [b];
}
else {
data = b;
}
}
if (children !== undefined) {
for (i = 0; i < children.length; ++i) {
if (primitive(children[i]))
children[i] = vnode(undefined, undefined, undefined, children[i], undefined);
}
}
if (sel[0] === 's' && sel[1] === 'v' && sel[2] === 'g' &&
(sel.length === 3 || sel[3] === '.' || sel[3] === '#')) {
addNS(data, children, sel);
}
return vnode(sel, data, children, text, undefined);
}
const xlinkNS = "http://www.w3.org/1999/xlink";
const xmlNS = "http://www.w3.org/XML/1998/namespace";
const colonChar = 58;
const xChar = 120;
function updateAttrs(oldVnode, vnode) {
var key, elm = vnode.elm, oldAttrs = oldVnode.data.attrs, attrs = vnode.data.attrs;
if (!oldAttrs && !attrs)
return;
if (oldAttrs === attrs)
return;
oldAttrs = oldAttrs || {};
attrs = attrs || {};
// update modified attributes, add new attributes
for (key in attrs) {
const cur = attrs[key];
const old = oldAttrs[key];
if (old !== cur) {
if (cur === true) {
elm.setAttribute(key, "");
}
else if (cur === false) {
elm.removeAttribute(key);
}
else {
if (key.charCodeAt(0) !== xChar) {
elm.setAttribute(key, cur);
}
else if (key.charCodeAt(3) === colonChar) {
// Assume xml namespace
elm.setAttributeNS(xmlNS, key, cur);
}
else if (key.charCodeAt(5) === colonChar) {
// Assume xlink namespace
elm.setAttributeNS(xlinkNS, key, cur);
}
else {
elm.setAttribute(key, cur);
}
}
}
}
// remove removed attributes
// use `in` operator since the previous `for` iteration uses it (.i.e. add even attributes with undefined value)
// the other option is to remove all attributes with value == undefined
for (key in oldAttrs) {
if (!(key in attrs)) {
elm.removeAttribute(key);
}
}
}
const attributesModule = {
create: updateAttrs,
update: updateAttrs
};
function updateProps(oldVnode, vnode) {
var key, cur, old, elm = vnode.elm, oldProps = oldVnode.data.props, props = vnode.data.props;
if (!oldProps && !props)
return;
if (oldProps === props)
return;
oldProps = oldProps || {};
props = props || {};
for (key in oldProps) {
if (!props[key]) {
delete elm[key];
}
}
for (key in props) {
cur = props[key];
old = oldProps[key];
if (old !== cur && (key !== 'value' || elm[key] !== cur)) {
elm[key] = cur;
}
}
}
const propsModule = { create: updateProps, update: updateProps };
function invokeHandler(handler, vnode, event) {
if (typeof handler === "function") {
// call function handler
handler.call(vnode, event, vnode);
}
else if (typeof handler === "object") {
// call handler with arguments
if (typeof handler[0] === "function") {
// special case for single argument for performance
if (handler.length === 2) {
handler[0].call(vnode, handler[1], event, vnode);
}
else {
var args = handler.slice(1);
args.push(event);
args.push(vnode);
handler[0].apply(vnode, args);
}
}
else {
// call multiple handlers
for (var i = 0; i < handler.length; i++) {
invokeHandler(handler[i], vnode, event);
}
}
}
}
function handleEvent(event, vnode) {
var name = event.type, on = vnode.data.on;
// call event handler(s) if exists
if (on && on[name]) {
invokeHandler(on[name], vnode, event);
}
}
function createListener() {
return function handler(event) {
handleEvent(event, handler.vnode);
};
}
function updateEventListeners(oldVnode, vnode) {
var oldOn = oldVnode.data.on, oldListener = oldVnode.listener, oldElm = oldVnode.elm, on = vnode && vnode.data.on, elm = (vnode && vnode.elm), name;
// optimization for reused immutable handlers
if (oldOn === on) {
return;
}
// remove existing listeners which no longer used
if (oldOn && oldListener) {
// if element changed or deleted we remove all existing listeners unconditionally
if (!on) {
for (name in oldOn) {
// remove listener if element was changed or existing listeners removed
oldElm.removeEventListener(name, oldListener, false);
}
}
else {
for (name in oldOn) {
// remove listener if existing listener removed
if (!on[name]) {
oldElm.removeEventListener(name, oldListener, false);
}
}
}
}
// add new listeners which has not already attached
if (on) {
// reuse existing listener or create new
var listener = vnode.listener = oldVnode.listener || createListener();
// update vnode for listener
listener.vnode = vnode;
// if element changed or added we add all needed listeners unconditionally
if (!oldOn) {
for (name in on) {
// add listener if element was changed or new listeners added
elm.addEventListener(name, listener, false);
}
}
else {
for (name in on) {
// add listener if new listener added
if (!oldOn[name]) {
elm.addEventListener(name, listener, false);
}
}
}
}
}
const eventListenersModule = {
create: updateEventListeners,
update: updateEventListeners,
destroy: updateEventListeners
};
function createElement(tagName) {
return document.createElement(tagName);
}
function createElementNS(namespaceURI, qualifiedName) {
return document.createElementNS(namespaceURI, qualifiedName);
}
function createTextNode(text) {
return document.createTextNode(text);
}
function createComment(text) {
return document.createComment(text);
}
function insertBefore(parentNode, newNode, referenceNode) {
parentNode.insertBefore(newNode, referenceNode);
}
function removeChild(node, child) {
node.removeChild(child);
}
function appendChild(node, child) {
node.appendChild(child);
}
function parentNode(node) {
return node.parentNode;
}
function nextSibling(node) {
return node.nextSibling;
}
function tagName(elm) {
return elm.tagName;
}
function setTextContent(node, text) {
node.textContent = text;
}
function getTextContent(node) {
return node.textContent;
}
function isElement(node) {
return node.nodeType === 1;
}
function isText(node) {
return node.nodeType === 3;
}
function isComment(node) {
return node.nodeType === 8;
}
const htmlDomApi = {
createElement,
createElementNS,
createTextNode,
createComment,
insertBefore,
removeChild,
appendChild,
parentNode,
nextSibling,
tagName,
setTextContent,
getTextContent,
isElement,
isText,
isComment,
};
function isUndef(s) { return s === undefined; }
function isDef(s) { return s !== undefined; }
const emptyNode = vnode('', {}, [], undefined, undefined);
function sameVnode(vnode1, vnode2) {
return vnode1.key === vnode2.key && vnode1.sel === vnode2.sel;
}
function isVnode(vnode) {
return vnode.sel !== undefined;
}
function createKeyToOldIdx(children, beginIdx, endIdx) {
let i, map = {}, key, ch;
for (i = beginIdx; i <= endIdx; ++i) {
ch = children[i];
if (ch != null) {
key = ch.key;
if (key !== undefined)
map[key] = i;
}
}
return map;
}
const hooks = ['create', 'update', 'remove', 'destroy', 'pre', 'post'];
function init(modules, domApi) {
let i, j, cbs = {};
const api = domApi !== undefined ? domApi : htmlDomApi;
for (i = 0; i < hooks.length; ++i) {
cbs[hooks[i]] = [];
for (j = 0; j < modules.length; ++j) {
const hook = modules[j][hooks[i]];
if (hook !== undefined) {
cbs[hooks[i]].push(hook);
}
}
}
function emptyNodeAt(elm) {
const id = elm.id ? '#' + elm.id : '';
const c = elm.className ? '.' + elm.className.split(' ').join('.') : '';
return vnode(api.tagName(elm).toLowerCase() + id + c, {}, [], undefined, elm);
}
function createRmCb(childElm, listeners) {
return function rmCb() {
if (--listeners === 0) {
const parent = api.parentNode(childElm);
api.removeChild(parent, childElm);
}
};
}
function createElm(vnode, insertedVnodeQueue) {
let i, data = vnode.data;
if (data !== undefined) {
if (isDef(i = data.hook) && isDef(i = i.init)) {
i(vnode);
data = vnode.data;
}
}
let children = vnode.children, sel = vnode.sel;
if (sel === '!') {
if (isUndef(vnode.text)) {
vnode.text = '';
}
vnode.elm = api.createComment(vnode.text);
}
else if (sel !== undefined) {
// Parse selector
const hashIdx = sel.indexOf('#');
const dotIdx = sel.indexOf('.', hashIdx);
const hash = hashIdx > 0 ? hashIdx : sel.length;
const dot = dotIdx > 0 ? dotIdx : sel.length;
const tag = hashIdx !== -1 || dotIdx !== -1 ? sel.slice(0, Math.min(hash, dot)) : sel;
const elm = vnode.elm = isDef(data) && isDef(i = data.ns) ? api.createElementNS(i, tag)
: api.createElement(tag);
if (hash < dot)
elm.setAttribute('id', sel.slice(hash + 1, dot));
if (dotIdx > 0)
elm.setAttribute('class', sel.slice(dot + 1).replace(/\./g, ' '));
for (i = 0; i < cbs.create.length; ++i)
cbs.create[i](emptyNode, vnode);
if (array(children)) {
for (i = 0; i < children.length; ++i) {
const ch = children[i];
if (ch != null) {
api.appendChild(elm, createElm(ch, insertedVnodeQueue));
}
}
}
else if (primitive(vnode.text)) {
api.appendChild(elm, api.createTextNode(vnode.text));
}
i = vnode.data.hook; // Reuse variable
if (isDef(i)) {
if (i.create)
i.create(emptyNode, vnode);
if (i.insert)
insertedVnodeQueue.push(vnode);
}
}
else {
vnode.elm = api.createTextNode(vnode.text);
}
return vnode.elm;
}
function addVnodes(parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) {
for (; startIdx <= endIdx; ++startIdx) {
const ch = vnodes[startIdx];
if (ch != null) {
api.insertBefore(parentElm, createElm(ch, insertedVnodeQueue), before);
}
}
}
function invokeDestroyHook(vnode) {
let i, j, data = vnode.data;
if (data !== undefined) {
if (isDef(i = data.hook) && isDef(i = i.destroy))
i(vnode);
for (i = 0; i < cbs.destroy.length; ++i)
cbs.destroy[i](vnode);
if (vnode.children !== undefined) {
for (j = 0; j < vnode.children.length; ++j) {
i = vnode.children[j];
if (i != null && typeof i !== "string") {
invokeDestroyHook(i);
}
}
}
}
}
function removeVnodes(parentElm, vnodes, startIdx, endIdx) {
for (; startIdx <= endIdx; ++startIdx) {
let i, listeners, rm, ch = vnodes[startIdx];
if (ch != null) {
if (isDef(ch.sel)) {
invokeDestroyHook(ch);
listeners = cbs.remove.length + 1;
rm = createRmCb(ch.elm, listeners);
for (i = 0; i < cbs.remove.length; ++i)
cbs.remove[i](ch, rm);
if (isDef(i = ch.data) && isDef(i = i.hook) && isDef(i = i.remove)) {
i(ch, rm);
}
else {
rm();
}
}
else { // Text node
api.removeChild(parentElm, ch.elm);
}
}
}
}
function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue) {
let oldStartIdx = 0, newStartIdx = 0;
let oldEndIdx = oldCh.length - 1;
let oldStartVnode = oldCh[0];
let oldEndVnode = oldCh[oldEndIdx];
let newEndIdx = newCh.length - 1;
let newStartVnode = newCh[0];
let newEndVnode = newCh[newEndIdx];
let oldKeyToIdx;
let idxInOld;
let elmToMove;
let before;
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
if (oldStartVnode == null) {
oldStartVnode = oldCh[++oldStartIdx]; // Vnode might have been moved left
}
else if (oldEndVnode == null) {
oldEndVnode = oldCh[--oldEndIdx];
}
else if (newStartVnode == null) {
newStartVnode = newCh[++newStartIdx];
}
else if (newEndVnode == null) {
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldStartVnode, newStartVnode)) {
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
oldStartVnode = oldCh[++oldStartIdx];
newStartVnode = newCh[++newStartIdx];
}
else if (sameVnode(oldEndVnode, newEndVnode)) {
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
oldEndVnode = oldCh[--oldEndIdx];
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
api.insertBefore(parentElm, oldStartVnode.elm, api.nextSibling(oldEndVnode.elm));
oldStartVnode = oldCh[++oldStartIdx];
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
api.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
oldEndVnode = oldCh[--oldEndIdx];
newStartVnode = newCh[++newStartIdx];
}
else {
if (oldKeyToIdx === undefined) {
oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
}
idxInOld = oldKeyToIdx[newStartVnode.key];
if (isUndef(idxInOld)) { // New element
api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
newStartVnode = newCh[++newStartIdx];
}
else {
elmToMove = oldCh[idxInOld];
if (elmToMove.sel !== newStartVnode.sel) {
api.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
}
else {
patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
oldCh[idxInOld] = undefined;
api.insertBefore(parentElm, elmToMove.elm, oldStartVnode.elm);
}
newStartVnode = newCh[++newStartIdx];
}
}
}
if (oldStartIdx <= oldEndIdx || newStartIdx <= newEndIdx) {
if (oldStartIdx > oldEndIdx) {
before = newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].elm;
addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
}
else {
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
}
}
}
function patchVnode(oldVnode, vnode, insertedVnodeQueue) {
let i, hook;
if (isDef(i = vnode.data) && isDef(hook = i.hook) && isDef(i = hook.prepatch)) {
i(oldVnode, vnode);
}
const elm = vnode.elm = oldVnode.elm;
let oldCh = oldVnode.children;
let ch = vnode.children;
if (oldVnode === vnode)
return;
if (vnode.data !== undefined) {
for (i = 0; i < cbs.update.length; ++i)
cbs.update[i](oldVnode, vnode);
i = vnode.data.hook;
if (isDef(i) && isDef(i = i.update))
i(oldVnode, vnode);
}
if (isUndef(vnode.text)) {
if (isDef(oldCh) && isDef(ch)) {
if (oldCh !== ch)
updateChildren(elm, oldCh, ch, insertedVnodeQueue);
}
else if (isDef(ch)) {
if (isDef(oldVnode.text))
api.setTextContent(elm, '');
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
}
else if (isDef(oldCh)) {
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
}
else if (isDef(oldVnode.text)) {
api.setTextContent(elm, '');
}
}
else if (oldVnode.text !== vnode.text) {
if (isDef(oldCh)) {
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
}
api.setTextContent(elm, vnode.text);
}
if (isDef(hook) && isDef(i = hook.postpatch)) {
i(oldVnode, vnode);
}
}
return function patch(oldVnode, vnode) {
let i, elm, parent;
const insertedVnodeQueue = [];
for (i = 0; i < cbs.pre.length; ++i)
cbs.pre[i]();
if (!isVnode(oldVnode)) {
oldVnode = emptyNodeAt(oldVnode);
}
if (sameVnode(oldVnode, vnode)) {
patchVnode(oldVnode, vnode, insertedVnodeQueue);
}
else {
elm = oldVnode.elm;
parent = api.parentNode(elm);
createElm(vnode, insertedVnodeQueue);
if (parent !== null) {
api.insertBefore(parent, vnode.elm, api.nextSibling(elm));
removeVnodes(parent, [oldVnode], 0, 0);
}
}
for (i = 0; i < insertedVnodeQueue.length; ++i) {
insertedVnodeQueue[i].data.hook.insert(insertedVnodeQueue[i]);
}
for (i = 0; i < cbs.post.length; ++i)
cbs.post[i]();
return vnode;
};
}
/**
* We define here a simple event bus: it can
* - emit events
* - add/remove listeners.
*
* This is a useful pattern of communication in some cases.
*/
//------------------------------------------------------------------------------
// EventBus
//------------------------------------------------------------------------------
class EventBus {
constructor() {
this.subscriptions = {};
}
/**
* Add a listener for the 'eventType' events.
*
* Note that the 'owner' of this event can be anything, but will more likely
* be a widget or a class. The idea is that the callback will be called with
* the proper owner bound.
*
* Also, the owner should be kind of unique. This will be used to remove the
* listener.
*/
on(eventType, owner, callback) {
if (!callback) {
throw new Error("Missing callback");
}
if (!this.subscriptions[eventType]) {
this.subscriptions[eventType] = [];
}
this.subscriptions[eventType].push({
owner,
callback
});
}
/**
* Remove a listener
*/
off(eventType, owner) {
const subs = this.subscriptions[eventType];
if (subs) {
this.subscriptions[eventType] = subs.filter(s => s.owner !== owner);
}
}
/**
* Emit an event of type 'eventType'. Any extra arguments will be passed to
* the listeners callback.
*/
trigger(eventType, ...args) {
const subs = this.subscriptions[eventType] || [];
for (let sub of subs) {
sub.callback.call(sub.owner, ...args);
}
}
/**
* Remove all subscriptions.
*/
clear() {
this.subscriptions = {};
}
}
//------------------------------------------------------------------------------
// Observer
//------------------------------------------------------------------------------
const methodsToPatch = [
"push",
"pop",
"shift",
"unshift",
"splice",
"sort",
"reverse"
];
const ArrayProto = Array.prototype;
const ModifiedArrayProto = Object.create(ArrayProto);
for (let method of methodsToPatch) {
const initialMethod = ArrayProto[method];
ModifiedArrayProto[method] = function (...args) {
if (!this.__observer__.allowMutations) {
throw new Error(`Array cannot be changed here")`);
}
this.__observer__.notifyChange();
this.__owl__.rev++;
let parent = this;
do {
parent.__owl__.deepRev++;
} while ((parent = parent.__owl__.parent));
let inserted;
switch (method) {
case "push":
case "unshift":
inserted = args;
break;
case "splice":
inserted = args.slice(2);
break;
}
if (inserted) {
for (let elem of inserted) {
this.__observer__.observe(elem, this);
}
}
return initialMethod.call(this, ...args);
};
}
class Observer {
constructor() {
this.rev = 1;
this.allowMutations = true;
this.dirty = false;
}
notifyCB() { }
notifyChange() {
this.rev++;
this.dirty = true;
Promise.resolve().then(() => {
if (this.dirty) {
this.dirty = false;
this.notifyCB();
}
});
}
observe(value, parent) {
if (value === null) {
// fun fact: typeof null === 'object'
return;
}
if (typeof value !== "object") {
return;
}
if ("__owl__" in value) {
// already observed
value.__owl__.parent = parent;
return;
}
if (Array.isArray(value)) {
this._observeArr(value, parent);
}
else {
this._observeObj(value, parent);
}
}
set(target, key, value) {
this._addProp(target, key, value);
target.__owl__.rev++;
this.notifyChange();
}
_observeObj(obj, parent) {
const keys = Object.keys(obj);
obj.__owl__ = { rev: 1, deepRev: 1, parent };
Object.defineProperty(obj, "__owl__", { enumerable: false });
for (let key of keys) {
this._addProp(obj, key, obj[key]);
}
}
_observeArr(arr, parent) {
arr.__owl__ = { rev: 1, deepRev: 1, parent };
Object.defineProperty(arr, "__owl__", { enumerable: false });
arr.__proto__ = Object.create(ModifiedArrayProto);
arr.__proto__.__observer__ = this;
for (let i = 0; i < arr.length; i++) {
this.observe(arr[i], arr);
}
}
_addProp(obj, key, value) {
var self = this;
Object.defineProperty(obj, key, {
enumerable: true,
get() {
return value;
},
set(newVal) {
if (newVal !== value) {
if (!self.allowMutations) {
throw new Error(`Observed state cannot be changed here! (key: "${key}", val: "${newVal}")`);
}
value = newVal;
self.observe(newVal, obj);
obj.__owl__.rev++;
let parent = obj;
do {
parent.__owl__.deepRev++;
} while ((parent = parent.__owl__.parent) && parent !== obj);
self.notifyChange();
}
}
});
this.observe(value, obj);
}
}
function escape(str) {
if (str === undefined) {
return "";
}
if (typeof str === "number") {
return String(str);
}
return str
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&#x27;")
.replace(/`/g, "&#x60;");
}
/**
* Remove trailing and leading spaces
*/
function htmlTrim(s) {
let result = s.replace(/(^\s+|\s+$)/g, "");
if (s[0] === " ") {
result = " " + result;
}
if (result !== " " && s[s.length - 1] === " ") {
result = result + " ";
}
return result;
}
/**
* Create a function that will generate unique id numbers
*/
function idGenerator() {
let nextID = 1;
return () => nextID++;
}
function memoize(f, hash) {
if (!hash) {
hash = args => args.map(a => String(a)).join(",");
}
let cache = {};
function memoizedFunction(...args) {
let hashValue = hash(args);
if (!(hashValue in cache)) {
cache[hashValue] = f(...args);
}
return cache[hashValue];
}
return memoizedFunction;
}
/**
* Returns a function, that, as long as it continues to be invoked, will not
* be triggered. The function will be called after it stops being called for
* N milliseconds. If `immediate` is passed, trigger the function on the
* leading edge, instead of the trailing.
*
* Inspired by https://davidwalsh.name/javascript-debounce-function
*/
function debounce(func, wait, immediate) {
let timeout;
return function () {
const context = this;
const args = arguments;
function later() {
timeout = null;
if (!immediate) {
func.apply(context, args);
}
}
const callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) {
func.apply(context, args);
}
};
}
/**
* Find a node in a tree.
*
* This will traverse the tree (depth first) and return the first child that
* matches the predicate, if any
*/
function findInTree(tree, predicate) {
if (predicate(tree)) {
return tree;
}
for (let child of tree.children) {
let match = findInTree(child, predicate);
if (match) {
return match;
}
}
return null;
}
function patch(C, patchName, patch) {
const proto = C.prototype;
if (!proto.__patches) {
proto.__patches = {
origMethods: {},
patches: {},
current: []
};
}
if (proto.__patches.patches[patchName]) {
throw new Error(`Patch [${patchName}] already exists`);
}
proto.__patches.patches[patchName] = patch;
applyPatch(proto, patch);
proto.__patches.current.push(patchName);
function applyPatch(proto, patch) {
Object.keys(patch).forEach(function (methodName) {
const method = patch[methodName];
if (typeof method === "function") {
const original = proto[methodName];
if (!(methodName in proto.__patches.origMethods)) {
proto.__patches.origMethods[methodName] = original;
}
proto[methodName] = function (...args) {
this._super = original;
return method.call(this, ...args);
};
}
});
}
}
function unpatch(C, patchName) {
const proto = C.prototype;
const patchInfo = proto.__patches;
delete proto.__patches;
// reset to original
for (let k in patchInfo.origMethods) {
proto[k] = patchInfo.origMethods[k];
}
// apply other patches
for (let name of patchInfo.current) {
if (name !== patchName) {
patch(C, name, patchInfo.patches[name]);
}
}
}
async function loadTemplates(url) {
const result = await fetch(url);
if (!result.ok) {
throw new Error("Error while fetching xml templates");
}
let templates = await result.text();
templates = templates.replace(/<!--[\s\S]*?-->/g, "");
return templates;
}
var _utils = /*#__PURE__*/Object.freeze({
escape: escape,
htmlTrim: htmlTrim,
idGenerator: idGenerator,
memoize: memoize,
debounce: debounce,
findInTree: findInTree,
patch: patch,
unpatch: unpatch,
loadTemplates: loadTemplates
});
let getId = idGenerator();
const patch$1 = init([eventListenersModule, attributesModule, propsModule]);
//------------------------------------------------------------------------------
// Widget
//------------------------------------------------------------------------------
class Component extends EventBus {
//--------------------------------------------------------------------------
// Lifecycle
//--------------------------------------------------------------------------
/**
* Creates an instance of Component.
*
* The root widget of a component tree needs an environment:
*
* ```javascript
* const root = new RootWidget(env, props);
* ```
*
* Every other widget simply needs a reference to its parent:
*
* ```javascript
* const child = new SomeWidget(parent, props);
* ```
*
* Note that most of the time, only the root widget needs to be created by
* hand. Other widgets should be created automatically by the framework (with
* the t-widget directive in a template)
*/
constructor(parent, props) {
super();
this.template = "default";
this.inlineTemplate = null;
this.refs = {};
// is this a good idea?
// Pro: if props is empty, we can create easily a widget
// Con: this is not really safe
// Pro: but creating widget (by a template) is always unsafe anyway
this.props = props || {};
let id = getId();
let p = null;
if (parent instanceof Component) {
p = parent;
this.env = parent.env;
parent.__owl__.children[id] = this;
}
else {
this.env = parent;
}
this.__owl__ = {
id: id,
vnode: null,
isStarted: false,
isMounted: false,
isDestroyed: false,
parent: p,
children: {},
cmap: {},
renderId: 1,
renderPromise: null,
renderProps: props || null,
boundHandlers: {}
};
}
get el() {
return this.__owl__.vnode ? this.__owl__.vnode.elm : null;
}
/**
* willStart is an asynchronous hook that can be implemented to perform some
* action before the initial rendering of a component.
*
* It will be called exactly once before the initial rendering. It is useful
* in some cases, for example, to load external assets (such as a JS library)
* before the widget is rendered.
*
* Note that a slow willStart method will slow down the rendering of the user
* interface. Therefore, some effort should be made to make this method as
* fast as possible.
*
* Note: this method should not be called manually.
*/
async willStart() { }
/**
* mounted is a hook that is called each time a component is attached to the
* DOM. This is a good place to add some listeners, or to interact with the
* DOM, if the component needs to perform some measure for example.
*
* Note: this method should not be called manually.
*
* @see willUnmount
*/
mounted() { }
/**
* The willUpdateProps is an asynchronous hook, called just before new props
* are set. This is useful if the component needs some asynchronous task
* performed, depending on the props (for example, assuming that the props are
* some record Id, fetching the record data).
*
* This hook is not called during the first render (but willStart is called
* and performs a similar job).
*/
async willUpdateProps(nextProps) { }
/**
* The willPatch hook is called just before the DOM patching process starts.
* It is not called on the initial render. This is useful to get some
* information which are in the DOM. For example, the current position of the
* scrollbar
*/
willPatch() { }
/**
* This hook is called whenever a component did actually update its props,
* state or env.
*
* This method is not called on the initial render. It is useful to interact
* with the DOM (for example, through an external library) whenever the
* component was updated.
*
* Updating the widget state in this hook is possible, but not encouraged.
* One need to be careful, because updates here will cause rerender, which in
* turn will cause other calls to updated. So, we need to be particularly
* careful at avoiding endless cycles.
*/
patched() { }
/**
* willUnmount is a hook that is called each time just before a component is
* unmounted from the DOM. This is a good place to remove some listeners, for
* example.
*
* Note: this method should not be called manually.
*
* @see mounted
*/
willUnmount() { }
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
/**
* Attach a child widget to a given html element
*
* This is most of the time not necessary, since widgets should primarily be
* created/managed with the t-widget directive in a qweb template. However,
* for the cases where we need more control, this method will do what is
* necessary to make sure all the proper hooks are called (for example,
* mounted/willUnmount)
*
* Note that this method makes a few assumptions:
* - the child widget is indeed a child of the current widget
* - the target is inside the dom of the current widget (typically a ref)
*/
attachChild(child, target) {
target.appendChild(child.el);
child.__mount();
}
async mount(target) {
const vnode = await this._prepare();
if (this.__owl__.isDestroyed) {
// widget was destroyed before we get here...
return;
}
this._patch(vnode);
target.appendChild(this.el);
if (document.body.contains(target)) {
this._visitSubTree(w => {
if (!w.__owl__.isMounted && this.el.contains(w.el)) {
w.__owl__.isMounted = true;
w.mounted();
return true;
}
return false;
});
}
}
unmount() {
if (this.el) {
this._visitSubTree(w => {
if (w.__owl__.isMounted) {
w.willUnmount();
w.__owl__.isMounted = false;
return true;
}
return false;
});
this.el.remove();
}
}
async render(force = false) {
if (this.__owl__.isDestroyed) {
return;
}
const renderVDom = this._render(force);
const renderId = this.__owl__.renderId;
const vnode = await renderVDom;
if (renderId === this.__owl__.renderId) {
// we only update the vnode and the actual DOM if no other rendering
// occurred between now and when the render method was initially called.
this._patch(vnode);
}
}
destroy() {
if (!this.__owl__.isDestroyed) {
for (let id in this.__owl__.children) {
this.__owl__.children[id].destroy();
}
if (this.__owl__.isMounted) {
this.willUnmount();
}
if (this.el) {
this.el.remove();
this.__owl__.isMounted = false;
delete this.__owl__.vnode;
}
if (this.__owl__.parent) {
let id = this.__owl__.id;
delete this.__owl__.parent.__owl__.children[id];
this.__owl__.parent = null;
}
this.clear();
this.__owl__.isDestroyed = true;
}
}
shouldUpdate(nextProps) {
return true;
}
/**
* This method is the correct way to update the environment of a widget. Doing
* this will cause a full rerender of the widget and its children, so this is
* an operation that should not be done frequently.
*
* A good usecase for updating the environment would be to update some mostly
* static config keys, such as a boolean to determine if we are in mobile
* mode or not.
*/
async updateEnv(nextEnv) {
if (this.__owl__.parent && this.__owl__.parent.env === this.env) {
this.env = Object.create(this.env);
}
Object.assign(this.env, nextEnv);
if (this.__owl__.isMounted) {
await this.render(true);
}
}
async updateProps(nextProps, forceUpdate = false) {
const shouldUpdate = forceUpdate || this.shouldUpdate(nextProps);
return shouldUpdate ? this._updateProps(nextProps) : Promise.resolve();
}
set(target, key, value) {
this.__owl__.observer.set(target, key, value);
}
//--------------------------------------------------------------------------
// Private
//--------------------------------------------------------------------------
async _updateProps(nextProps) {
await this.willUpdateProps(nextProps);
this.props = nextProps;
await this.render();
}
_patch(vnode) {
this.__owl__.renderPromise = null;
if (this.__owl__.vnode) {
this.willPatch();
this.__owl__.vnode = patch$1(this.__owl__.vnode, vnode);
this.patched();
}
else {
this.__owl__.vnode = patch$1(document.createElement(vnode.sel), vnode);
}
}
async _prepare() {
this.__owl__.renderProps = this.props;
this.__owl__.renderPromise = this.willStart().then(() => {
if (this.__owl__.isDestroyed) {
return Promise.resolve(h("div"));
}
this.__owl__.isStarted = true;
if (this.inlineTemplate) {
this.env.qweb.addTemplate(this.inlineTemplate, this.inlineTemplate, true);
}
this._observeState();
return this._render();
});
return this.__owl__.renderPromise;
}
async _render(force = false) {
this.__owl__.renderId++;
const promises = [];
const template = this.inlineTemplate || this.template;
if (this.__owl__.observer) {
this.__owl__.observer.allowMutations = false;
}
let vnode = this.env.qweb.render(template, this, {
promises,
handlers: this.__owl__.boundHandlers,
forceUpdate: force
});
if (this.__owl__.observer) {
this.__owl__.observer.allowMutations = true;
}
// this part is critical for the patching process to be done correctly. The
// tricky part is that a child widget can be rerendered on its own, which
// will update its own vnode representation without the knowledge of the
// parent widget. With this, we make sure that the parent widget will be
// able to patch itself properly after
vnode.key = this.__owl__.id;
this.__owl__.renderProps = this.props;
this.__owl__.renderPromise = Promise.all(promises).then(() => vnode);
return this.__owl__.renderPromise;
}
/**
* Only called by qweb t-widget directive
*/
_mount(vnode, elm) {
this.__owl__.vnode = patch$1(elm, vnode);
this.__mount();
return this.__owl__.vnode;
}
__mount() {
if (this.__owl__.isMounted) {
return;
}
this._observeState();
if (this.__owl__.parent) {
if (this.__owl__.parent.__owl__.isMounted) {
this.__owl__.isMounted = true;
this.mounted();
const children = this.__owl__.children;
for (let id in children) {
children[id].__mount();
}
}
}
}
_visitSubTree(callback) {
const shouldVisitChildren = callback(this);
if (shouldVisitChildren) {
const children = this.__owl__.children;
for (let id in children) {
children[id]._visitSubTree(callback);
}
}
}
_observeState() {
if (this.state) {
this.__owl__.observer = new Observer();
this.__owl__.observer.observe(this.state);
this.__owl__.observer.notifyCB = this.render.bind(this);
}
}
}
const RESERVED_WORDS = "true,false,NaN,null,undefined,debugger,console,window,in,instanceof,new,function,return,this,typeof,eval,void,Math,RegExp,Array,Object,Date".split(",");
const WORD_REPLACEMENT = {
and: "&&",
or: "||",
gt: ">",
gte: ">=",
lt: "<",
lte: "<="
};
const DISABLED_TAGS = [
"input",
"textarea",
"button",
"select",
"option",
"optgroup"
];
const lineBreakRE = /[\r\n]/;
const whitespaceRE = /\s+/g;
//------------------------------------------------------------------------------
// Compilation Context
//------------------------------------------------------------------------------
class Context {
constructor(name) {
this.nextID = 1;
this.code = [];
this.variables = {};
this.definedVariables = {};
this.escaping = false;
this.parentNode = null;
this.rootNode = null;
this.indentLevel = 0;
this.shouldDefineOwner = false;
this.shouldProtectContext = false;
this.inLoop = false;
this.inPreTag = false;
this.rootContext = this;
this.templateName = name || "noname";
this.addLine("var h = this.utils.h;");
}
generateID() {
const id = this.rootContext.nextID++;
return id;
}
withParent(node) {
if (this === this.rootContext && this.parentNode) {
throw new Error("A template should not have more than one root node");
}
if (!this.rootContext.rootNode) {
this.rootContext.rootNode = node;
}
return this.subContext("parentNode", node);
}
subContext(key, value) {
const newContext = Object.create(this);
newContext[key] = value;
return newContext;
}
indent() {
this.indentLevel++;
}
dedent() {
this.indentLevel--;
}
addLine(line) {
const prefix = new Array(this.indentLevel + 2).join(" ");
this.code.push(prefix + line);
}
addIf(condition) {
this.addLine(`if (${condition}) {`);
this.indent();
}
addElse() {
this.dedent();
this.addLine("} else {");
this.indent();
}
closeIf() {
this.dedent();
this.addLine("}");
}
getValue(val) {
return val in this.variables ? this.getValue(this.variables[val]) : val;
}
formatExpression(e) {
e = e.trim();
if (e[0] === "{" && e[e.length - 1] === "}") {
const innerExpr = e
.slice(1, -1)
.split(",")
.map(p => {
let [key, val] = p.trim().split(":");
if (key === "") {
return "";
}
if (!val) {
val = key;
}
return `${key}: ${this.formatExpression(val)}`;
})
.join(",");
return "{" + innerExpr + "}";
}
// Thanks CHM for this code...
const chars = e.split("");
let instring = "";
let invar = "";
let invarPos = 0;
let r = "";
chars.push(" ");
for (var i = 0, ilen = chars.length; i < ilen; i++) {
var c = chars[i];
if (instring.length) {
if (c === instring && chars[i - 1] !== "\\") {
instring = "";
}
}
else if (c === '"' || c === "'") {
instring = c;
}
else if (c.match(/[a-zA-Z_\$]/) && !invar.length) {
invar = c;
invarPos = i;
continue;
}
else if (c.match(/\W/) && invar.length) {
// TODO: Should check for possible spaces before dot
if (chars[invarPos - 1] !== "." && RESERVED_WORDS.indexOf(invar) < 0) {
if (!(invar in this.definedVariables)) {
invar =
WORD_REPLACEMENT[invar] ||
(invar in this.variables &&
this.formatExpression(this.variables[invar])) ||
"context['" + invar + "']";
}
}
r += invar;
invar = "";
}
else if (invar.length) {
invar += c;
continue;
}
r += c;
}
const result = r.slice(0, -1);
return result;
}
}
//------------------------------------------------------------------------------
// QWeb rendering engine
//------------------------------------------------------------------------------
class QWeb {
constructor(data) {
this.processedTemplates = {};
this.templates = {};
this.directives = [];
this.utils = {
h: h,
getFragment(str) {
const temp = document.createElement("template");
temp.innerHTML = str;
return temp.content;
},
objectToAttrString(obj) {
let classes = [];
for (let k in obj) {
if (obj[k]) {
classes.push(k);
}
}
return classes.join(" ");
}
};
this.directiveNames = {
as: 1,
name: 1,
value: 1,
att: 1,
attf: 1,
props: 1,
key: 1,
keepalive: 1,
debug: 1
};
[
forEachDirective,
escDirective,
rawDirective,
setDirective,
elseDirective,
elifDirective,
ifDirective,
callDirective,
onDirective,
refDirective,
widgetDirective
].forEach(d => this.addDirective(d));
if (data) {
this.loadTemplates(data);
}
}
addDirective(dir) {
this.directives.push(dir);
this.directiveNames[dir.name] = 1;
this.directives.sort((d1, d2) => d1.priority - d2.priority);
}
/**
* Add a template to the internal template map. Note that it is not
* immediately compiled.
*/
addTemplate(name, template, allowDuplicates = false) {
if (name in this.processedTemplates) {
if (allowDuplicates) {
return;
}
else {
throw new Error(`Template ${name} already defined`);
}
}
const parser = new DOMParser();
const doc = parser.parseFromString(template, "text/xml");
if (!doc.firstChild) {
throw new Error("Invalid template (should not be empty)");
}
if (doc.getElementsByTagName("parsererror").length) {
throw new Error("Invalid XML in template");
}
let elem = doc.firstChild;
this._processTemplate(elem);
this.processedTemplates[name] = elem;
}
_processTemplate(elem) {
let tbranch = elem.querySelectorAll("[t-elif], [t-else]");
for (let i = 0, ilen = tbranch.length; i < ilen; i++) {
let node = tbranch[i];
let prevElem = node.previousElementSibling;
let pattr = function (name) {
return prevElem.getAttribute(name);
};
let nattr = function (name) {
return +!!node.getAttribute(name);
};
if (prevElem && (pattr("t-if") || pattr("t-elif"))) {
if (pattr("t-foreach")) {
throw new Error("t-if cannot stay at the same level as t-foreach when using t-elif or t-else");
}
if (["t-if", "t-elif", "t-else"].map(nattr).reduce(function (a, b) {
return a + b;
}) > 1) {
throw new Error("Only one conditional branching directive is allowed per node");
}
// All text nodes between branch nodes are removed
let textNode;
while ((textNode = node.previousSibling) !== prevElem) {
if (textNode.nodeValue.trim().length) {
throw new Error("text is not allowed between branching directives");
}
textNode.remove();
}
}
else {
throw new Error("t-elif and t-else directives must be preceded by a t-if or t-elif directive");
}
}
}
/**
* Load templates from a xml (as a string). This will look up for the first
* <templates> tag, and will consider each child of this as a template, with
* the name given by the t-name attribute.
*/
loadTemplates(xmlstr) {
const parser = new DOMParser();
const doc = parser.parseFromString(xmlstr, "text/xml");
if (doc.getElementsByTagName("parsererror").length) {
throw new Error("Invalid XML in template");
}
const templates = doc.getElementsByTagName("templates")[0];
if (!templates) {
return;
}
for (let elem of templates.children) {
const name = elem.getAttribute("t-name");
this._processTemplate(elem);
this.processedTemplates[name] = elem;
}
}
/**
* Render a template
*
* @param {string} name the template should already have been added
*/
render(name, context = {}, extra = null) {
if (!(name in this.processedTemplates)) {
throw new Error(`Template ${name} does not exist`);
}
const template = this.templates[name] || this._compile(name);
return template.call(this, context, extra);
}
_compile(name) {
if (name in this.templates) {
return this.templates[name];
}
const mainNode = this.processedTemplates[name];
const isDebug = mainNode.attributes.hasOwnProperty("t-debug");
const ctx = new Context(name);
this._compileNode(mainNode, ctx);
if (ctx.shouldProtectContext) {
ctx.code.unshift(" context = Object.create(context);");
}
if (ctx.shouldDefineOwner) {
// this is necessary to prevent some directives (t-forach for ex) to
// pollute the rendering context by adding some keys in it.
ctx.code.unshift(" let owner = context;");
}
if (!ctx.rootNode) {
throw new Error("A template should have one root node");
}
ctx.addLine(`return vn${ctx.rootNode};`);
if (isDebug) {
ctx.code.unshift(" debugger");
}
let template;
try {
template = new Function("context", "extra", ctx.code.join("\n"));
}
catch (e) {
throw new Error(`Invalid generated code while compiling template '${ctx.templateName.replace(/`/g, "'")}': ${e.message}`);
}
if (isDebug) {
console.log(`Template: ${this.processedTemplates[name].outerHTML}\nCompiled code:\n` + template.toString());
}
this.templates[name] = template;
return template;
}
/**
* Generate code from an xml node
*
*/
_compileNode(node, ctx) {
if (!(node instanceof Element)) {
// this is a text node, there are no directive to apply
let text = node.textContent;
if (!ctx.inPreTag) {
if (lineBreakRE.test(text) && !text.trim()) {
return;
}
text = text.replace(whitespaceRE, " ");
}
if (ctx.parentNode) {
ctx.addLine(`c${ctx.parentNode}.push({text: \`${text}\`});`);
}
else {
// this is an unusual situation: this text node is the result of the
// template rendering.
let nodeID = ctx.generateID();
ctx.addLine(`var vn${nodeID} = {text: \`${text}\`};`);
ctx.rootContext.rootNode = nodeID;
ctx.rootContext.parentNode = nodeID;
}
return;
}
const attributes = node.attributes;
const validDirectives = [];
let withHandlers = false;
// maybe this is not optimal: we iterate on all attributes here, and again
// just after for each directive.
for (let i = 0; i < attributes.length; i++) {
let attrName = attributes[i].name;
if (attrName.startsWith("t-")) {
let dName = attrName.slice(2).split("-")[0];
if (!(dName in this.directiveNames)) {
throw new Error(`Unknown QWeb directive: '${attrName}'`);
}
}
}
for (let directive of this.directives) {
let fullName;
let value;
for (let i = 0; i < attributes.length; i++) {
const name = attributes[i].name;
if (name === "t-" + directive.name ||
name.startsWith("t-" + directive.name + "-")) {
fullName = name;
value = attributes[i].textContent;
validDirectives.push({ directive, value, fullName });
if (directive.name === "on") {
withHandlers = true;
}
}
}
}
for (let { directive, value, fullName } of validDirectives) {
if (directive.atNodeEncounter) {
const isDone = directive.atNodeEncounter({
node,
qweb: this,
ctx,
fullName,
value
});
if (isDone) {
return;
}
}
}
if (node.nodeName !== "t") {
let nodeID = this._compileGenericNode(node, ctx, withHandlers);
ctx = ctx.withParent(nodeID);
for (let { directive, value, fullName } of validDirectives) {
if (directive.atNodeCreation) {
directive.atNodeCreation({
node,
qweb: this,
ctx,
fullName,
value,
nodeID
});
}
}
}
if (node.nodeName === "pre") {
ctx = ctx.subContext("inPreTag", true);
}
this._compileChildren(node, ctx);
for (let { directive, value, fullName } of validDirectives) {
if (directive.finalize) {
directive.finalize({ node, qweb: this, ctx, fullName, value });
}
}
}
_compileGenericNode(node, ctx, withHandlers = true) {
// nodeType 1 is generic tag
if (node.nodeType !== 1) {
throw new Error("unsupported node type");
}
const attributes = node.attributes;
const attrs = [];
const props = [];
const tattrs = [];
function handleBooleanProps(key, val) {
let isProp = false;
if (node.nodeName === "input" && key === "checked") {
let type = node.getAttribute("type");
if (type === "checkbox" || type === "radio") {
isProp = true;
}
}
if (node.nodeName === "option" && key === "selected") {
isProp = true;
}
if (key === "disabled" && DISABLED_TAGS.indexOf(node.nodeName) > -1) {
isProp = true;
}
if ((key === "readonly" && node.nodeName === "input") ||
node.nodeName === "textarea") {
isProp = true;
}
if (isProp) {
props.push(`${key}: _${val}`);
}
}
for (let i = 0; i < attributes.length; i++) {
let name = attributes[i].name;
const value = attributes[i].textContent;
// regular attributes
if (!name.startsWith("t-") &&
!node.getAttribute("t-attf-" + name)) {
const attID = ctx.generateID();
ctx.addLine(`var _${attID} = '${value}';`);
if (!name.match(/^[a-zA-Z]+$/)) {
// attribute contains 'non letters' => we want to quote it
name = '"' + name + '"';
}
attrs.push(`${name}: _${attID}`);
handleBooleanProps(name, attID);
}
// dynamic attributes
if (name.startsWith("t-att-")) {
let attName = name.slice(6);
let formattedValue = ctx.formatExpression(ctx.getValue(value));
if (formattedValue[0] === "{" &&
formattedValue[formattedValue.length - 1] === "}") {
formattedValue = `this.utils.objectToAttrString(${formattedValue})`;
}
const attID = ctx.generateID();
if (!attName.match(/^[a-zA-Z]+$/)) {
// attribute contains 'non letters' => we want to quote it
attName = '"' + attName + '"';
}
// we need to combine dynamic with non dynamic attributes:
// class="a" t-att-class="'yop'" should be rendered as class="a yop"
const attValue = node.getAttribute(attName);
if (attValue) {
const attValueID = ctx.generateID();
ctx.addLine(`var _${attValueID} = ${formattedValue};`);
formattedValue = `'${attValue}' + (_${attValueID} ? ' ' + _${attValueID} : '')`;
const attrIndex = attrs.findIndex(att => att.startsWith(attName + ":"));
attrs.splice(attrIndex, 1);
}
ctx.addLine(`var _${attID} = ${formattedValue};`);
attrs.push(`${attName}: _${attID}`);
handleBooleanProps(attName, attID);
}
if (name.startsWith("t-attf-")) {
let attName = name.slice(7);
if (!attName.match(/^[a-zA-Z]+$/)) {
// attribute contains 'non letters' => we want to quote it
attName = '"' + attName + '"';
}
const formattedExpr = value.replace(/\{\{.*?\}\}/g, s => "${" + ctx.formatExpression(s.slice(2, -2)) + "}");
const attID = ctx.generateID();
let staticVal = node.getAttribute(attName);
if (staticVal) {
ctx.addLine(`var _${attID} = '${staticVal} ' + \`${formattedExpr}\`;`);
}
else {
ctx.addLine(`var _${attID} = \`${formattedExpr}\`;`);
}
attrs.push(`${attName}: _${attID}`);
}
// t-att= attributes
if (name === "t-att") {
let id = ctx.generateID();
ctx.addLine(`var _${id} = ${ctx.formatExpression(value)};`);
tattrs.push(id);
}
}
let nodeID = ctx.generateID();
let nodeKey = node.getAttribute("t-key");
if (nodeKey) {
nodeKey = ctx.formatExpression(nodeKey);
}
else {
nodeKey = nodeID;
}
const parts = [`key:${nodeKey}`];
if (attrs.length + tattrs.length > 0) {
parts.push(`attrs:{${attrs.join(",")}}`);
}
if (props.length > 0) {
parts.push(`props:{${props.join(",")}}`);
}
if (withHandlers) {
parts.push(`on:{}`);
}
ctx.addLine(`var c${nodeID} = [], p${nodeID} = {${parts.join(",")}};`);
for (let id of tattrs) {
ctx.addIf(`_${id} instanceof Array`);
ctx.addLine(`p${nodeID}.attrs[_${id}[0]] = _${id}[1];`);
ctx.addElse();
ctx.addLine(`for (let key in _${id}) {`);
ctx.indent();
ctx.addLine(`p${nodeID}.attrs[key] = _${id}[key];`);
ctx.dedent();
ctx.addLine(`}`);
ctx.closeIf();
}
ctx.addLine(`var vn${nodeID} = h('${node.nodeName}', p${nodeID}, c${nodeID});`);
if (ctx.parentNode) {
ctx.addLine(`c${ctx.parentNode}.push(vn${nodeID});`);
}
return nodeID;
}
_compileChildren(node, ctx) {
if (node.childNodes.length > 0) {
for (let child of Array.from(node.childNodes)) {
this._compileNode(child, ctx);
}
}
}
}
function compileValueNode(value, node, qweb, ctx) {
if (value === "0" && ctx.caller) {
qweb._compileNode(ctx.caller, ctx);
return;
}
if (typeof value === "string") {
let exprID = value;
if (!(value in ctx.definedVariables)) {
exprID = `_${ctx.generateID()}`;
ctx.addLine(`var ${exprID} = ${ctx.formatExpression(value)};`);
}
ctx.addIf(`${exprID} || ${exprID} === 0`);
if (!ctx.parentNode) {
throw new Error("Should not have a text node without a parent");
}
if (ctx.escaping) {
ctx.addLine(`c${ctx.parentNode}.push({text: ${exprID}});`);
}
else {
let fragID = ctx.generateID();
ctx.addLine(`var frag${fragID} = this.utils.getFragment(${exprID})`);
let tempNodeID = ctx.generateID();
ctx.addLine(`var p${tempNodeID} = {hook: {`);
ctx.addLine(` insert: n => n.elm.parentNode.replaceChild(frag${fragID}, n.elm),`);
ctx.addLine(`}};`);
ctx.addLine(`var vn${tempNodeID} = h('div', p${tempNodeID})`);
ctx.addLine(`c${ctx.parentNode}.push(vn${tempNodeID});`);
}
if (node.childNodes.length) {
ctx.addElse();
qweb._compileChildren(node, ctx);
}
ctx.closeIf();
return;
}
if (value instanceof NodeList) {
for (let node of Array.from(value)) {
qweb._compileNode(node, ctx);
}
}
}
const escDirective = {
name: "esc",
priority: 70,
atNodeEncounter({ node, qweb, ctx }) {
if (node.nodeName !== "t") {
let nodeID = qweb._compileGenericNode(node, ctx);
ctx = ctx.withParent(nodeID);
}
let value = ctx.getValue(node.getAttribute("t-esc"));
compileValueNode(value, node, qweb, ctx.subContext("escaping", true));
return true;
}
};
const rawDirective = {
name: "raw",
priority: 80,
atNodeEncounter({ node, qweb, ctx }) {
if (node.nodeName !== "t") {
let nodeID = qweb._compileGenericNode(node, ctx);
ctx = ctx.withParent(nodeID);
}
let value = ctx.getValue(node.getAttribute("t-raw"));
compileValueNode(value, node, qweb, ctx);
return true;
}
};
const setDirective = {
name: "set",
priority: 60,
atNodeEncounter({ node, ctx }) {
const variable = node.getAttribute("t-set");
let value = node.getAttribute("t-value");
if (value) {
const formattedValue = ctx.formatExpression(value);
if (ctx.variables.hasOwnProperty(variable)) {
ctx.addLine(`${ctx.variables[variable]} = ${formattedValue}`);
}
else {
const varName = `_${ctx.generateID()}`;
ctx.addLine(`var ${varName} = ${formattedValue};`);
ctx.definedVariables[varName] = formattedValue;
ctx.variables[variable] = varName;
}
}
else {
ctx.variables[variable] = node.childNodes;
}
return true;
}
};
const ifDirective = {
name: "if",
priority: 20,
atNodeEncounter({ node, ctx }) {
let cond = ctx.getValue(node.getAttribute("t-if"));
ctx.addIf(`${ctx.formatExpression(cond)}`);
return false;
},
finalize({ ctx }) {
ctx.closeIf();
}
};
const elifDirective = {
name: "elif",
priority: 30,
atNodeEncounter({ node, ctx }) {
let cond = ctx.getValue(node.getAttribute("t-elif"));
ctx.addLine(`else if (${ctx.formatExpression(cond)}) {`);
ctx.indent();
return false;
},
finalize({ ctx }) {
ctx.closeIf();
}
};
const elseDirective = {
name: "else",
priority: 40,
atNodeEncounter({ ctx }) {
ctx.addLine(`else {`);
ctx.indent();
return false;
},
finalize({ ctx }) {
ctx.closeIf();
}
};
const callDirective = {
name: "call",
priority: 50,
atNodeEncounter({ node, qweb, ctx }) {
if (node.nodeName !== "t") {
throw new Error("Invalid tag for t-call directive (should be 't')");
}
const subTemplate = node.getAttribute("t-call");
const nodeTemplate = qweb.processedTemplates[subTemplate];
if (!nodeTemplate) {
throw new Error(`Cannot find template "${subTemplate}" (t-call)`);
}
const nodeCopy = node.cloneNode(true);
nodeCopy.removeAttribute("t-call");
// extract variables from nodecopy
const tempCtx = new Context();
tempCtx.nextID = ctx.rootContext.nextID;
qweb._compileNode(nodeCopy, tempCtx);
const vars = Object.assign({}, ctx.variables, tempCtx.variables);
var definedVariables = Object.assign({}, ctx.definedVariables, tempCtx.definedVariables);
ctx.rootContext.nextID = tempCtx.nextID;
// open new scope, if necessary
const hasNewVariables = Object.keys(definedVariables).length > 0;
if (hasNewVariables) {
ctx.addLine("{");
ctx.indent();
}
// add new variables, if any
for (let key in definedVariables) {
ctx.addLine(`let ${key} = ${definedVariables[key]}`);
}
// compile sub template
const subCtx = ctx
.subContext("caller", nodeCopy)
.subContext("variables", Object.create(vars))
.subContext("definedVariables", Object.create(definedVariables));
qweb._compileNode(nodeTemplate, subCtx);
// close new scope
if (hasNewVariables) {
ctx.dedent();
ctx.addLine("}");
}
return true;
}
};
const forEachDirective = {
name: "foreach",
priority: 10,
atNodeEncounter({ node, qweb, ctx }) {
ctx.rootContext.shouldProtectContext = true;
ctx = ctx.subContext("inLoop", true);
const elems = node.getAttribute("t-foreach");
const name = node.getAttribute("t-as");
let arrayID = ctx.generateID();
ctx.addLine(`var _${arrayID} = ${ctx.formatExpression(elems)};`);
ctx.addLine(`if (!_${arrayID}) { throw new Error('QWeb error: Invalid loop expression')}`);
ctx.addLine(`if (typeof _${arrayID} === 'number') { _${arrayID} = Array.from(Array(_${arrayID}).keys())}`);
let keysID = ctx.generateID();
ctx.addLine(`var _${keysID} = _${arrayID} instanceof Array ? _${arrayID} : Object.keys(_${arrayID});`);
let valuesID = ctx.generateID();
ctx.addLine(`var _${valuesID} = _${arrayID} instanceof Array ? _${arrayID} : Object.values(_${arrayID});`);
ctx.addLine(`for (let i = 0; i < _${keysID}.length; i++) {`);
ctx.indent();
ctx.addLine(`context.${name}_first = i === 0;`);
ctx.addLine(`context.${name}_last = i === _${keysID}.length - 1;`);
ctx.addLine(`context.${name}_parity = i % 2 === 0 ? 'even' : 'odd';`);
ctx.addLine(`context.${name}_index = i;`);
ctx.addLine(`context.${name} = _${keysID}[i];`);
ctx.addLine(`context.${name}_value = _${valuesID}[i];`);
const nodeCopy = node.cloneNode(true);
if (nodeCopy.tagName !== "t" && !nodeCopy.hasAttribute("t-key")) {
console.warn(`Directive t-foreach should always be used with a t-key! (in template: '${ctx.templateName}')`);
}
nodeCopy.removeAttribute("t-foreach");
qweb._compileNode(nodeCopy, ctx);
ctx.dedent();
ctx.addLine("}");
return true;
}
};
const onDirective = {
name: "on",
priority: 90,
atNodeCreation({ ctx, fullName, value, nodeID }) {
ctx.rootContext.shouldDefineOwner = true;
const eventName = fullName.slice(5);
if (!eventName) {
throw new Error("Missing event name with t-on directive");
}
let extraArgs;
let handler = value.replace(/\(.*\)/, function (args) {
extraArgs = args.slice(1, -1);
return "";
});
let error = `(function () {throw new Error('Missing handler \\'' + '${handler}' + \`\\' when evaluating template '${ctx.templateName.replace(/`/g, "'")}'\`)})()`;
if (extraArgs) {
ctx.addLine(`p${nodeID}.on['${eventName}'] = (context['${handler}'] || ${error}).bind(owner, ${ctx.formatExpression(extraArgs)});`);
}
else {
ctx.addLine(`extra.handlers['${eventName}' + ${nodeID}] = extra.handlers['${eventName}' + ${nodeID}] || (context['${handler}'] || ${error}).bind(owner);`);
ctx.addLine(`p${nodeID}.on['${eventName}'] = extra.handlers['${eventName}' + ${nodeID}];`);
}
}
};
const refDirective = {
name: "ref",
priority: 95,
atNodeCreation({ ctx, node }) {
let ref = node.getAttribute("t-ref");
ctx.addLine(`p${ctx.parentNode}.hook = {
create: (_, n) => context.refs[${ctx.formatExpression(ref)}] = n.elm,
};`);
}
};
const widgetDirective = {
name: "widget",
priority: 100,
atNodeEncounter({ ctx, value, node }) {
ctx.addLine("//WIDGET");
ctx.rootContext.shouldDefineOwner = true;
let props = node.getAttribute("t-props");
let keepAlive = node.getAttribute("t-keepalive") ? true : false;
// t-on- events...
const events = [];
const attributes = node.attributes;
for (let i = 0; i < attributes.length; i++) {
const name = attributes[i].name;
if (name.startsWith("t-on-")) {
events.push([name.slice(5), attributes[i].textContent]);
}
}
let key = node.getAttribute("t-key");
if (key) {
key = ctx.formatExpression(key);
}
if (props) {
props = ctx.formatExpression(props);
}
let dummyID = ctx.generateID();
let defID = ctx.generateID();
let widgetID = ctx.generateID();
let keyID = key && ctx.generateID();
if (key) {
// we bind a variable to the key (could be a complex expression, so we
// want to evaluate it only once)
ctx.addLine(`let key${keyID} = ${key};`);
}
ctx.addLine(`let _${dummyID}_index = c${ctx.parentNode}.length;`);
ctx.addLine(`c${ctx.parentNode}.push(null);`);
ctx.addLine(`let def${defID};`);
let templateID = key
? `key${keyID}`
: ctx.inLoop
? `String(-${widgetID} - i)`
: String(widgetID);
ctx.addLine(`let w${widgetID} = ${templateID} in context.__owl__.cmap ? context.__owl__.children[context.__owl__.cmap[${templateID}]] : false;`);
ctx.addLine(`let props${widgetID} = ${props || "{}"};`);
ctx.addLine(`let isNew${widgetID} = !w${widgetID};`);
// check if we can reuse current rendering promise
ctx.addIf(`w${widgetID} && w${widgetID}.__owl__.renderPromise`);
ctx.addIf(`w${widgetID}.__owl__.isStarted`);
ctx.addLine(`def${defID} = w${widgetID}.updateProps(props${widgetID}, extra.forceUpdate);`);
ctx.addElse();
ctx.addLine(`isNew${widgetID} = true`);
ctx.addIf(`props${widgetID} === w${widgetID}.__owl__.renderProps`);
ctx.addLine(`def${defID} = w${widgetID}.__owl__.renderPromise;`);
ctx.addElse();
ctx.addLine(`w${widgetID}.destroy();`);
ctx.addLine(`w${widgetID} = false`);
ctx.closeIf();
ctx.closeIf();
ctx.closeIf();
ctx.addIf(`!def${defID}`);
ctx.addIf(`w${widgetID}`);
ctx.addLine(`def${defID} = w${widgetID}.updateProps(props${widgetID}, extra.forceUpdate);`);
ctx.addElse();
ctx.addLine(`w${widgetID} = new context.widgets['${value}'](owner, props${widgetID});`);
ctx.addLine(`context.__owl__.cmap[${templateID}] = w${widgetID}.__owl__.id;`);
for (let [event, method] of events) {
ctx.addLine(`w${widgetID}.on('${event}', owner, owner['${method}'])`);
}
let ref = node.getAttribute("t-ref");
if (ref) {
ctx.addLine(`context.refs[${ctx.formatExpression(ref)}] = w${widgetID};`);
}
ctx.addLine(`def${defID} = w${widgetID}._prepare();`);
ctx.closeIf();
ctx.closeIf();
ctx.addIf(`isNew${widgetID}`);
ctx.addLine(`def${defID} = def${defID}.then(vnode=>{let pvnode=h(vnode.sel, {key: ${templateID}});c${ctx.parentNode}[_${dummyID}_index]=pvnode;pvnode.data.hook = {insert(vn){let nvn=w${widgetID}._mount(vnode, vn.elm);pvnode.elm=nvn.elm},remove(){w${widgetID}.${keepAlive ? "unmount" : "destroy"}()},destroy(){w${widgetID}.${keepAlive ? "unmount" : "destroy"}()}}; w${widgetID}.__owl__.pvnode = pvnode;});`);
ctx.addElse();
ctx.addLine(`def${defID} = def${defID}.then(()=>{if (w${widgetID}.__owl__.isDestroyed) {return};let vnode;if (!w${widgetID}.__owl__.vnode){vnode=w${widgetID}.__owl__.pvnode} else { vnode=h(w${widgetID}.__owl__.vnode.sel, {key: ${templateID}});vnode.elm=w${widgetID}.el;vnode.data.hook = {insert(a){a.elm.parentNode.replaceChild(w${widgetID}.el,a.elm);a.elm=w${widgetID}.el;w${widgetID}.__mount();},remove(){w${widgetID}.${keepAlive ? "unmount" : "destroy"}()}, destroy() {w${widgetID}.${keepAlive ? "unmount" : "destroy"}()}}}c${ctx.parentNode}[_${dummyID}_index]=vnode;});`);
ctx.closeIf();
ctx.addLine(`extra.promises.push(def${defID});`);
if (node.hasAttribute("t-if") || node.hasAttribute("t-else")) {
ctx.closeIf();
}
return true;
}
};
class Store extends EventBus {
constructor(config, options = {}) {
super();
this._commitLevel = 0;
this.history = [];
this.debug = options.debug || false;
this.state = config.state || {};
this.actions = config.actions;
this.mutations = config.mutations;
this.env = config.env;
this.observer = new Observer();
this.observer.notifyCB = this.trigger.bind(this, "update");
this.observer.allowMutations = false;
this.observer.observe(this.state);
if (this.debug) {
this.history.push({ state: this.state });
}
this.set = this.observer.set.bind(this.observer);
}
dispatch(action, payload) {
if (!this.actions[action]) {
throw new Error(`[Error] action ${action} is undefined`);
}
const result = this.actions[action]({
commit: this.commit.bind(this),
dispatch: this.dispatch.bind(this),
env: this.env,
state: this.state
}, payload);
if (result instanceof Promise) {
return new Promise((resolve, reject) => {
result.then(() => resolve());
result.catch(reject);
});
}
}
commit(type, payload) {
if (!this.mutations[type]) {
throw new Error(`[Error] mutation ${type} is undefined`);
}
this._commitLevel++;
this.observer.allowMutations = true;
const res = this.mutations[type].call(null, {
commit: this.commit.bind(this),
state: this.state,
set: this.set
}, payload);
if (this._commitLevel === 1) {
this.observer.allowMutations = false;
if (this.debug) {
this.history.push({
state: this.state,
mutation: type,
payload: payload
});
}
}
this._commitLevel--;
return res;
}
}
//------------------------------------------------------------------------------
// Connect function
//------------------------------------------------------------------------------
function revNumber(o) {
if (o !== null && typeof o === "object" && o.__owl__) {
return o.__owl__.rev;
}
return 0;
}
function deepRevNumber(o) {
if (o !== null && typeof o === "object" && o.__owl__) {
return o.__owl__.deepRev;
}
return 0;
}
function connect(mapStateToProps, options = {}) {
let hashFunction = options.hashFunction || null;
if (!hashFunction) {
let deep = "deep" in options ? options.deep : true;
let defaultRevFunction = deep ? deepRevNumber : revNumber;
hashFunction = function ({ storeProps }, options) {
const { currentStoreProps } = options;
if ("__owl__" in storeProps) {
return defaultRevFunction(storeProps);
}
let hash = 0;
for (let key in storeProps) {
const val = storeProps[key];
const hashVal = defaultRevFunction(val);
if (hashVal === 0) {
if (val !== currentStoreProps[key]) {
options.didChange = true;
}
}
else {
hash += hashVal;
}
}
return hash;
};
}
return function (Comp) {
return class extends Comp {
constructor(parent, props) {
const env = parent instanceof Component ? parent.env : parent;
const ownProps = Object.assign({}, props || {});
const storeProps = mapStateToProps(env.store.state, ownProps);
const mergedProps = Object.assign({}, props || {}, storeProps);
super(parent, mergedProps);
this.__owl__.ownProps = ownProps;
this.__owl__.currentStoreProps = storeProps;
this.__owl__.storeHash = hashFunction({
state: env.store.state,
storeProps: storeProps,
revNumber,
deepRevNumber
}, {
currentStoreProps: storeProps
});
}
mounted() {
this.env.store.on("update", this, () => {
const ownProps = this.__owl__.ownProps;
const storeProps = mapStateToProps(this.env.store.state, ownProps);
const options = {
currentStoreProps: this.__owl__.currentStoreProps
};
const storeHash = hashFunction({
state: this.env.store.state,
storeProps: storeProps,
revNumber,
deepRevNumber
}, options);
let didChange = options.didChange;
if (storeHash !== this.__owl__.storeHash) {
didChange = true;
this.__owl__.storeHash = storeHash;
}
if (didChange) {
this.__owl__.currentStoreProps = storeProps;
this.updateProps(ownProps, false);
}
});
super.mounted();
}
willUnmount() {
this.env.store.off("update", this);
super.willUnmount();
}
updateProps(nextProps, forceUpdate) {
if (this.__owl__.ownProps !== nextProps) {
this.__owl__.currentStoreProps = mapStateToProps(this.env.store.state, nextProps);
}
this.__owl__.ownProps = nextProps;
const mergedProps = Object.assign({}, nextProps, this.__owl__.currentStoreProps);
return super.updateProps(mergedProps, forceUpdate);
}
};
};
}
const utils = _utils;
exports.Component = Component;
exports.EventBus = EventBus;
exports.QWeb = QWeb;
exports.Store = Store;
exports.connect = connect;
exports.utils = utils;
exports._version = '0.7.0';
exports._date = '2019-04-18T20:44:45.526Z';
exports._hash = 'de04ed2';
exports._url = 'https://github.com/odoo/owl';
}(this.owl = this.owl || {}));