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Code Issues Releases Wiki Activity

Further optimisations to wiki store 

These changes give us a minor performance improvement for adding and deleting tiddlers
This commit is contained in:
Jermolene 2017-12-21 22:01:52 +00:00
parent e4b10d42f9
commit 358d416526
1 changed files with 52 additions and 27 deletions
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79
boot/boot.js
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@ -902,11 +902,23 @@ $tw.Wiki = function(options) {
options = options || {};
var self = this,
tiddlers = Object.create(null), // Hashmap of tiddlers
tiddlerTitles = [], // Array of tiddler titles
tiddlerTitles = null, // Array of tiddler titles
getTiddlerTitles = function() {
if(!tiddlerTitles) {
tiddlerTitles = Object.keys(tiddlers);
}
return tiddlerTitles;
},
pluginTiddlers = [], // Array of tiddlers containing registered plugins, ordered by priority
pluginInfo = Object.create(null), // Hashmap of parsed plugin content
shadowTiddlers = options.shadowTiddlers || Object.create(null), // Hashmap by title of {source:, tiddler:}
shadowTiddlerTitles = Object.keys(shadowTiddlers);
shadowTiddlerTitles = null,
getShadowTiddlerTitles = function() {
if(!shadowTiddlerTitles) {
shadowTiddlerTitles = Object.keys(shadowTiddlers);
}
return shadowTiddlerTitles;
};
// Add a tiddler to the store
this.addTiddler = function(tiddler) {
@ -920,7 +932,9 @@ $tw.Wiki = function(options) {
// Uncomment the following line for detailed logs of all tiddler writes
// console.log("Adding",title,tiddler)
tiddlers[title] = tiddler;
tiddlerTitles = Object.keys(tiddlers);
if(tiddlerTitles && tiddlerTitles.indexOf(title) === -1) {
tiddlerTitles.push(title);
}
this.clearCache(title);
this.clearGlobalCache();
this.enqueueTiddlerEvent(title);
@ -934,7 +948,12 @@ $tw.Wiki = function(options) {
// console.log("Deleting",title)
if($tw.utils.hop(tiddlers,title)) {
delete tiddlers[title];
tiddlerTitles = Object.keys(tiddlers);
if(tiddlerTitles) {
var index = tiddlerTitles.indexOf(title);
if(index !== -1) {
tiddlerTitles.splice(index,1);
}
}
this.clearCache(title);
this.clearGlobalCache();
this.enqueueTiddlerEvent(title,true);
@ -947,7 +966,7 @@ $tw.Wiki = function(options) {
var t = tiddlers[title];
if(t instanceof $tw.Tiddler) {
return t;
} else if(title !== undefined && Object.prototype.hasOwnProperty.call(shadowTiddlers,title)) {
} else if(title !== undefined && shadowTiddlers[title]) {
return shadowTiddlers[title].tiddler;
}
return undefined;
@ -956,28 +975,30 @@ $tw.Wiki = function(options) {
// Get an array of all tiddler titles
this.allTitles = function() {
return tiddlerTitles.slice(0);
return getTiddlerTitles().slice(0);
};
// Iterate through all tiddler titles
this.each = function(callback) {
var index,titlesLength,title;
for(index = 0, titlesLength = tiddlerTitles.length; index < titlesLength; index++) {
title = tiddlerTitles[index];
var titles = getTiddlerTitles(),
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
}
};
// Get an array of all shadow tiddler titles
this.allShadowTitles = function() {
return shadowTiddlerTitles.slice(0);
return getShadowTiddlerTitles().slice(0);
};
// Iterate through all shadow tiddler titles
this.eachShadow = function(callback) {
var index,titlesLength,title;
for(index = 0, titlesLength = shadowTiddlerTitles.length; index < titlesLength; index++) {
title = shadowTiddlerTitles[index];
var titles = getShadowTiddlerTitles(),
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
@ -985,14 +1006,16 @@ $tw.Wiki = function(options) {
// Iterate through all tiddlers and then the shadows
this.eachTiddlerPlusShadows = function(callback) {
var index,titlesLength,title;
for(index = 0, titlesLength = tiddlerTitles.length; index < titlesLength; index++) {
title = tiddlerTitles[index];
var index,titlesLength,title,
titles = getTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
}
for(index = 0, titlesLength = shadowTiddlerTitles.length; index < titlesLength; index++) {
title = shadowTiddlerTitles[index];
if(!Object.prototype.hasOwnProperty.call(tiddlers,title)) {
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!tiddlers[title]) {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
@ -1001,19 +1024,21 @@ $tw.Wiki = function(options) {
// Iterate through all the shadows and then the tiddlers
this.eachShadowPlusTiddlers = function(callback) {
var index,titlesLength,title;
for(index = 0, titlesLength = shadowTiddlerTitles.length; index < titlesLength; index++) {
title = shadowTiddlerTitles[index];
if(Object.prototype.hasOwnProperty.call(tiddlers,title)) {
var index,titlesLength,title,
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(tiddlers[title]) {
callback(tiddlers[title],title);
} else {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
}
for(index = 0, titlesLength = tiddlerTitles.length; index < titlesLength; index++) {
title = tiddlerTitles[index];
if(!Object.prototype.hasOwnProperty.call(shadowTiddlers,title)) {
titles = getTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!shadowTiddlers[title]) {
callback(tiddlers[title],title);
}
}
@ -1128,7 +1153,7 @@ $tw.Wiki = function(options) {
});
}
});
shadowTiddlerTitles = Object.keys(shadowTiddlers);
shadowTiddlerTitles = null;
this.clearCache(null);
this.clearGlobalCache();
};