kopia lustrzana https://github.com/miklobit/TiddlyWiki5
Further refactoring of the boot process and module mechanism
Jeremy Ruston
rodzic
539b64b626
commit
9281fa8786
239
core/boot.js
239
core/boot.js
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@ -29,11 +29,16 @@ In practice, each module is wrapped in a separate script block.
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/////////////////////////// Setting up $tw
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// Set up $tw global for the server
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if(typeof(window) === "undefined" && !global.$tw) {
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global.$tw = {}; // No `browser` member for the server
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if(typeof(window) === "undefined") {
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global.$tw = global.$tw || {}; // No `browser` member for the server
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exports.$tw = $tw; // Export $tw for when boot.js is required directly in node.js
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}
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// Include bootprefix if we're on the server
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if(!$tw.browser) {
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require("./bootprefix.js");
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}
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// Crypto helper object
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// Setup crypto
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@ -57,7 +62,6 @@ var Crypto = function() {
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password = window.prompt("Enter password to decrypt TiddlyWiki");
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}
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};
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this.setPassword = function(newPassword) {
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password = newPassword;
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};
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@ -293,19 +297,6 @@ if(!$tw.browser) {
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/////////////////////////// Module mechanism
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/*
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Register the exports of a single module in the $tw.modules.types hashmap
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*/
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$tw.modules.registerModuleExports = function(name,moduleType,moduleExports) {
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if(!$tw.utils.hop($tw.modules.types,moduleType)) {
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$tw.modules.types[moduleType] = {};
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}
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if($tw.utils.hop($tw.modules.types[moduleType],name)) {
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console.log("Warning: Reregistering module - " + name);
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}
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$tw.modules.types[moduleType][name] = moduleExports;
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};
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/*
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Apply a callback to each module of a particular type
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moduleType: type of modules to enumerate
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@ -316,7 +307,7 @@ $tw.modules.forEachModuleOfType = function(moduleType,callback) {
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if(modules) {
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for(var title in modules) {
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if($tw.utils.hop(modules,title)) {
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callback(title,modules[title]);
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callback(title,$tw.modules.execute(title));
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}
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}
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}
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@ -379,6 +370,7 @@ $tw.Tiddler = function(/* [fields,] fields */) {
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$tw.Tiddler.prototype.hasField = function(field) {
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return $tw.utils.hop(this.fields,field);
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};
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/*
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Hashmap of field modules by field name
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*/
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@ -387,17 +379,17 @@ $tw.Tiddler.fieldModules = {};
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/*
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Register and install the built in tiddler field modules
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*/
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$tw.modules.registerModuleExports("$:/boot/tiddlerfields/modified","tiddlerfield",{
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$tw.modules.define("$:/boot/tiddlerfields/modified","tiddlerfield",{
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name: "modified",
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parse: $tw.utils.parseDate,
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stringify: $tw.utils.stringifyDate
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});
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$tw.modules.registerModuleExports("$:/boot/tiddlerfields/created","tiddlerfield",{
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$tw.modules.define("$:/boot/tiddlerfields/created","tiddlerfield",{
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name: "created",
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parse: $tw.utils.parseDate,
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stringify: $tw.utils.stringifyDate
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});
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$tw.modules.registerModuleExports("$:/boot/tiddlerfields/tags","tiddlerfield",{
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$tw.modules.define("$:/boot/tiddlerfields/tags","tiddlerfield",{
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name: "tags",
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parse: $tw.utils.parseStringArray,
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stringify: function(value) {
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@ -412,8 +404,6 @@ $tw.modules.registerModuleExports("$:/boot/tiddlerfields/tags","tiddlerfield",{
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return result.join(" ");
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}
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});
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// Install built in tiddler fields module so that they are available immediately
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$tw.Tiddler.fieldModules = $tw.modules.getModulesByTypeAsHashmap("tiddlerfield");
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/////////////////////////// Barebones wiki store
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@ -422,6 +412,8 @@ Construct a wiki store object
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*/
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$tw.Wiki = function() {
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this.tiddlers = {};
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this.bundles = {}; // Hashmap of plugin information by title
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this.bundledTiddlers = {}; // Hashmap of constituent tiddlers from plugins by title
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};
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$tw.Wiki.prototype.addTiddler = function(tiddler) {
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@ -441,8 +433,6 @@ $tw.Wiki.prototype.addTiddlers = function(tiddlers) {
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Extract constituent tiddlers from bundle tiddlers so that we can easily access them in getTiddler()
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*/
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$tw.Wiki.prototype.unpackBundleTiddlers = function() {
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this.bundles = {}; // Hashmap of plugin information by title
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this.bundledTiddlers = {}; // Hashmap of constituent tiddlers from plugins by title
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// Collect up all the plugin tiddlers
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for(var title in this.tiddlers) {
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var tiddler = this.tiddlers[title];
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@ -463,52 +453,36 @@ $tw.Wiki.prototype.unpackBundleTiddlers = function() {
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}
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};
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/*
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Define all modules stored in ordinary tiddlers
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*/
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$tw.Wiki.prototype.defineTiddlerModules = function() {
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for(var title in this.tiddlers) {
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if($tw.utils.hop(this.tiddlers,title)) {
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var tiddler = this.getTiddler(title);
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if(tiddler.fields.type === "application/javascript" && tiddler.hasField("module-type")) {
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// Define the module
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$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],tiddler.fields.text);
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}
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}
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}
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};
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/*
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Register all the module tiddlers that have a module type
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*/
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$tw.Wiki.prototype.registerModuleTiddlers = function() {
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/*jslint evil: true */
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var title, tiddler;
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// If in the browser, define any modules from bundles
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if($tw.browser) {
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for(title in $tw.wiki.bundledTiddlers) {
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if($tw.utils.hop($tw.wiki.bundledTiddlers,title)) {
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tiddler = $tw.wiki.getTiddler(title);
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if(!$tw.utils.hop($tw.wiki.tiddlers,title)) {
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if(tiddler.fields.type === "application/javascript" && tiddler.hasField("module-type")) {
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// Define the module
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var source = [
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"(function(module,exports,require) {",
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tiddler.fields.text,
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"})"
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];
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$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],window["eval"](source.join("")));
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}
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}
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}
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}
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}
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// Register and execute any modules from bundles
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for(title in $tw.wiki.bundledTiddlers) {
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if($tw.utils.hop($tw.wiki.bundledTiddlers,title)) {
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tiddler = $tw.wiki.getTiddler(title);
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if(!$tw.utils.hop($tw.wiki.tiddlers,title)) {
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$tw.Wiki.prototype.defineBundledModules = function() {
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for(var title in this.bundledTiddlers) {
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if($tw.utils.hop(this.bundledTiddlers,title)) {
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var tiddler = this.getTiddler(title);
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if(!$tw.utils.hop(this.tiddlers,title)) {
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if(tiddler.fields.type === "application/javascript" && tiddler.hasField("module-type")) {
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// Execute and register the module
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$tw.modules.registerModuleExports(title,tiddler.fields["module-type"],$tw.modules.execute(title));
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// Define the module
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$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],tiddler.fields.text);
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}
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}
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}
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}
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// Register and execute any modules in ordinary tiddlers
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for(title in $tw.wiki.tiddlers) {
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if($tw.utils.hop($tw.wiki.tiddlers,title)) {
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tiddler = $tw.wiki.getTiddler(title);
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if(tiddler.fields.type === "application/javascript" && tiddler.hasField("module-type")) {
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$tw.modules.registerModuleExports(title,tiddler.fields["module-type"],$tw.modules.execute(title));
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}
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}
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}
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};
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$tw.Wiki.prototype.getTiddler = function(title) {
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@ -558,7 +532,7 @@ $tw.Wiki.prototype.deserializeTiddlers = function(type,text,srcFields) {
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/*
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Register the built in tiddler deserializer modules
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*/
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$tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/js","tiddlerdeserializer",{
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$tw.modules.define("$:/boot/tiddlerdeserializer/js","tiddlerdeserializer",{
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"application/javascript": function(text,fields) {
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var headerCommentRegExp = new RegExp($tw.config.jsModuleHeaderRegExpString,"mg"),
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match = headerCommentRegExp.exec(text);
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@ -569,7 +543,7 @@ $tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/js","tiddlerdeser
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return [fields];
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}
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});
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$tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/tid","tiddlerdeserializer",{
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$tw.modules.define("$:/boot/tiddlerdeserializer/tid","tiddlerdeserializer",{
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"application/x-tiddler": function(text,fields) {
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var split = text.split(/\r?\n\r?\n/mg);
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if(split.length > 1) {
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@ -581,30 +555,27 @@ $tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/tid","tiddlerdese
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return [fields];
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}
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});
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$tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/txt","tiddlerdeserializer",{
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$tw.modules.define("$:/boot/tiddlerdeserializer/txt","tiddlerdeserializer",{
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"text/plain": function(text,fields) {
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fields.text = text;
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fields.type = "text/plain";
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return [fields];
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}
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});
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$tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/html","tiddlerdeserializer",{
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$tw.modules.define("$:/boot/tiddlerdeserializer/html","tiddlerdeserializer",{
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"text/html": function(text,fields) {
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fields.text = text;
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fields.type = "text/html";
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return [fields];
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}
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});
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$tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/json","tiddlerdeserializer",{
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$tw.modules.define("$:/boot/tiddlerdeserializer/json","tiddlerdeserializer",{
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"application/json": function(text,fields) {
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var tiddlers = JSON.parse(text);
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return tiddlers;
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}
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});
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// Install the tiddler deserializer modules so they are immediately available
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$tw.modules.applyMethods("tiddlerdeserializer",$tw.Wiki.tiddlerDeserializerModules);
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/////////////////////////// Intermediate initialisation
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/*
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@ -625,23 +596,29 @@ $tw.modules.execute = function(moduleName,moduleRoot) {
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return $tw.modules.execute(modRequire,name);
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},
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exports = {},
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module = $tw.modules.titles[name];
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if(!module) {
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moduleInfo = $tw.modules.titles[name];
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if(!moduleInfo) {
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throw new Error("Cannot find module named '" + moduleName + "' required by module '" + moduleRoot + "', resolved to " + name);
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}
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if(module.exports) {
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return module.exports;
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} else {
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module.exports = {};
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module.fn(module,module.exports,require);
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return module.exports;
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if(!moduleInfo.exports) {
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if(typeof moduleInfo.definition === "string") { // String
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moduleInfo.definition = window["eval"]("(function(module,exports,require) {" + moduleInfo.definition + "})");
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moduleInfo.exports = {};
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moduleInfo.definition(moduleInfo,moduleInfo.exports,require);
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} else if(typeof moduleInfo.definition === "function") { // Function
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moduleInfo.exports = {};
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moduleInfo.definition(moduleInfo,moduleInfo.exports,require);
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} else { // Object
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moduleInfo.exports = moduleInfo.definition;
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}
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}
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return moduleInfo.exports;
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};
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/*
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Register a deserializer that can extract tiddlers from the DOM
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*/
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$tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/dom","tiddlerdeserializer",{
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$tw.modules.define("$:/boot/tiddlerdeserializer/dom","tiddlerdeserializer",{
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"(DOM)": function(node) {
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var extractTextTiddlers = function(node) {
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var e = node.firstChild;
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@ -714,8 +691,26 @@ $tw.modules.registerModuleExports("$:/boot/tiddlerdeserializer/dom","tiddlerdese
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return result;
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}
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});
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// Install the tiddler deserializer modules
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$tw.modules.applyMethods("tiddlerdeserializer",$tw.Wiki.tiddlerDeserializerModules);
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$tw.loadTiddlers = function() {
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// In the browser, we load tiddlers from certain elements
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var containerIds = [
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"libraryModules",
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"modules",
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"bootKernelPrefix",
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"bootKernel",
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"styleArea",
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"storeArea",
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"shadowArea"
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];
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for(var t=0; t<containerIds.length; t++) {
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$tw.wiki.addTiddlers($tw.wiki.deserializeTiddlers("(DOM)",document.getElementById(containerIds[t])));
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}
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// Load any preloaded tiddlers
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if($tw.preloadTiddlers) {
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$tw.wiki.addTiddlers($tw.preloadTiddlers);
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}
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};
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// End of if($tw.browser)
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}
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@ -827,10 +822,10 @@ Execute the module named 'moduleName'. The name can optionally be relative to th
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*/
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$tw.modules.execute = function(moduleName,moduleRoot) {
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var name = moduleRoot ? $tw.utils.resolvePath(moduleName,moduleRoot) : moduleName,
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module = $tw.modules.titles[name],
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moduleInfo = $tw.modules.titles[name],
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tiddler = $tw.wiki.getTiddler(name),
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sandbox = {
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module: module,
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module: moduleInfo,
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exports: {},
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console: console,
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process: process,
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@ -839,61 +834,38 @@ $tw.modules.execute = function(moduleName,moduleRoot) {
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return $tw.modules.execute(title,name);
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}
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};
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if(!tiddler || tiddler.fields.type !== "application/javascript") {
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// If there is no tiddler with that name, let node try to find it
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if(!moduleInfo) {
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// If we don't have a module with that name, let node.js try to find it
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return require(moduleName);
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}
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// Define the module if it is not defined
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module = module || {
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moduleType: tiddler.fields["module-type"]
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};
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$tw.modules.titles[name] = module;
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// Execute it to get its exports if we haven't already done so
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if(!module.exports) {
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// Execute the module if we haven't already done so
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if(!moduleInfo.exports) {
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try {
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vm.runInNewContext(tiddler.fields.text,sandbox,tiddler.fields.title);
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// Check the type of the definition
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if(typeof moduleInfo.definition === "string") { // String
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vm.runInNewContext(moduleInfo.definition,sandbox,tiddler.fields.title);
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moduleInfo.exports = sandbox.exports;
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} else if(typeof moduleInfo.definition === "function") { // Function
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moduleInfo.exports = moduleInfo.definition(moduleInfo,sandbox.require,moduleInfo.exports);
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} else { // Object
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moduleInfo.exports = moduleInfo.definition;
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}
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} catch(e) {
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throw "Error executing boot module " + tiddler.fields.title + ":\n" + e;
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throw "Error executing boot module " + name + ":\n" + e;
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}
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module.exports = sandbox.exports;
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}
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// Return the exports of the module
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return module.exports;
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return moduleInfo.exports;
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};
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// End of if(!$tw.browser)
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}
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/////////////////////////// Final initialisation
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// Load tiddlers
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var t;
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if($tw.browser) {
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// In the browser, we load tiddlers from certain elements
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var containerIds = [
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"libraryModules",
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"modules",
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"bootKernelPrefix",
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"bootKernel",
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"styleArea",
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"storeArea",
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"shadowArea"
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];
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for(t=0; t<containerIds.length; t++) {
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$tw.wiki.addTiddlers($tw.wiki.deserializeTiddlers("(DOM)",document.getElementById(containerIds[t])));
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}
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// Load any preloaded tiddlers
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if($tw.preloadTiddlers) {
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$tw.wiki.addTiddlers($tw.preloadTiddlers);
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}
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} else {
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$tw.loadTiddlers = function() {
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// On the server, we load tiddlers from specified folders
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var folders = [
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$tw.boot.bootPath,
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path.resolve($tw.boot.wikiPath,$tw.config.wikiShadowsSubDir),
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path.resolve($tw.boot.wikiPath,$tw.config.wikiTiddlersSubDir)
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];
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for(t=0; t<folders.length; t++) {
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for(var t=0; t<folders.length; t++) {
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$tw.wiki.addTiddlers($tw.loadTiddlersFromPath(folders[t]));
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}
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// Load any plugins listed in the wiki info file
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|
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@ -919,14 +891,27 @@ if($tw.browser) {
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}
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}
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}
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};
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// End of if(!$tw.browser)
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}
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// Install plugins
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/////////////////////////// Final initialisation
|
||||
|
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// Install built in tiddler fields modules
|
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$tw.Tiddler.fieldModules = $tw.modules.getModulesByTypeAsHashmap("tiddlerfield");
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// Install the tiddler deserializer modules
|
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$tw.modules.applyMethods("tiddlerdeserializer",$tw.Wiki.tiddlerDeserializerModules);
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// Load tiddlers
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$tw.loadTiddlers();
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// Unpack bundle tiddlers
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$tw.wiki.unpackBundleTiddlers();
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|
||||
// Register typed modules from the tiddlers we've just loaded
|
||||
$tw.wiki.registerModuleTiddlers();
|
||||
|
||||
if(!$tw.browser) {
|
||||
$tw.wiki.defineTiddlerModules();
|
||||
}
|
||||
$tw.wiki.defineBundledModules();
|
||||
// Run any startup modules
|
||||
$tw.modules.forEachModuleOfType("startup",function(title,module) {
|
||||
if(module.startup) {
|
||||
|
|
|
|||
|
|
@ -13,26 +13,58 @@ See Boot.js for further details of the boot process.
|
|||
\*/
|
||||
|
||||
// Set up $tw global for the browser
|
||||
if(window && !window.$tw) {
|
||||
window.$tw = {browser: {}};
|
||||
if(typeof(window) === "undefined") {
|
||||
global.$tw = global.$tw || {}; // No `browser` member for the server
|
||||
} else {
|
||||
window.$tw = window.$tw || {browser: {}};
|
||||
}
|
||||
|
||||
$tw.modules = {titles: {}}; // hashmap by module name of {fn:, exports:, moduleType:}
|
||||
/*
|
||||
Information about each module is kept in an object with these members:
|
||||
moduleType: type of module
|
||||
definition: object, function or string defining the module; see below
|
||||
exports: exports of the module, filled in after execution
|
||||
|
||||
The `definition` can be of several types:
|
||||
|
||||
* An object can be used to directly specify the exports of the module
|
||||
* A function with the arguments `module,require,exports` that returns `exports`
|
||||
* A string function body with the same arguments
|
||||
|
||||
Each moduleInfo object is stored in two hashmaps: $tw.modules.titles and $tw.modules.types. The first is indexed by title and the second is indexed by type and then title
|
||||
*/
|
||||
$tw.modules = {
|
||||
titles: {}, // hashmap by module name of moduleInfo
|
||||
types: {} // hashmap by module type and then name of moduleInfo
|
||||
};
|
||||
|
||||
/*
|
||||
Define a JavaScript tiddler module for later execution
|
||||
moduleName: name of module being defined
|
||||
moduleType: type of module
|
||||
fn: function defining the module, called with the arguments (module,require,exports)
|
||||
definition: module definition; see discussion above
|
||||
*/
|
||||
$tw.modules.define = function(moduleName,moduleType,fn) {
|
||||
$tw.modules.define = function(moduleName,moduleType,definition) {
|
||||
/*jslint evil: true */
|
||||
// Create the moduleInfo
|
||||
var moduleInfo = {
|
||||
moduleType: moduleType,
|
||||
definition: definition,
|
||||
exports: undefined
|
||||
};
|
||||
// Store the module in the titles hashmap
|
||||
if(Object.prototype.hasOwnProperty.call($tw.modules.titles,moduleName)) {
|
||||
console.log("Warning: Redefined module - " + moduleName);
|
||||
}
|
||||
$tw.modules.titles[moduleName] = {
|
||||
moduleType: moduleType,
|
||||
fn: fn
|
||||
};
|
||||
$tw.modules.titles[moduleName] = moduleInfo;
|
||||
// Store the module in the types hashmap
|
||||
if(!Object.prototype.hasOwnProperty.call($tw.modules.types,moduleType)) {
|
||||
$tw.modules.types[moduleType] = {};
|
||||
}
|
||||
if(Object.prototype.hasOwnProperty.call($tw.modules.types[moduleType],moduleName)) {
|
||||
console.log("Warning: Redefined module - " + moduleName);
|
||||
}
|
||||
$tw.modules.types[moduleType][moduleName] = moduleInfo;
|
||||
};
|
||||
|
||||
/*
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue