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mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-12-29 11:30:28 +00:00
TiddlyWiki5/boot/bootprefix.js
Jermolene c7fb0bd349 Start updating the boot kernel for more node-webkit integration
The goal is to make it possible to use the Node.js boot code under
node-webkit, so that we can directly load wiki folders
2014-01-14 14:09:04 +00:00

100 lines
2.9 KiB
JavaScript

/*\
title: $:/boot/bootprefix.js
type: application/javascript
This file sets up the globals that need to be available when JavaScript modules are executed in the browser. The overall sequence is:
# BootPrefix.js
# <module definitions>
# Boot.js
See Boot.js for further details of the boot process.
\*/
var _bootprefix = (function($tw) {
"use strict";
$tw = $tw || {};
// Detect platforms
$tw.browser = typeof(window) !== "undefined" ? {} : null;
$tw.node = typeof(process) === "object" ? {} : null;
$tw.nodeWebKit = $tw.node && global.window && global.window.nwDispatcher ? {} : null;
/*
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
definition: module definition; see discussion above
*/
$tw.modules.define = function(moduleName,moduleType,definition) {
// Create the moduleInfo
var moduleInfo = {
moduleType: moduleType,
definition: definition,
exports: undefined
};
// If the definition is already an object we can use it as the exports
if(typeof moduleInfo.definition === "object") {
moduleInfo.exports = definition;
}
// Store the module in the titles hashmap
if(Object.prototype.hasOwnProperty.call($tw.modules.titles,moduleName)) {
console.log("Warning: Redefined module - " + moduleName);
}
$tw.modules.titles[moduleName] = moduleInfo;
// Store the module in the types hashmap
if(!Object.prototype.hasOwnProperty.call($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;
};
/*
External JavaScript can populate this array before calling boot.js in order to preload tiddlers
*/
$tw.preloadTiddlers = $tw.preloadTiddlers || [];
/*
Convenience function for pushing a tiddler onto the preloading array
*/
$tw.preloadTiddler = function(fields) {
$tw.preloadTiddlers.push(fields);
};
return $tw
});
if(typeof(exports) === "undefined") {
// Set up $tw global for the browser
window.$tw = _bootprefix();
} else {
// Export functionality as a module
exports.bootprefix = _bootprefix;
}