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Adding experimental require() function like commonjs (barebones support for require() and exports)

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walterhiggins 2013-12-15 21:26:28 +00:00
parent 5263ad1b5d
commit bcf44fe345
1 changed files with 70 additions and 49 deletions
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119
src/main/javascript/core/_scriptcraft.js
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@ -310,6 +310,31 @@ var server = org.bukkit.Bukkit.server;
var jsPluginsRootDir = parentFileObj.getParentFile(); var jsPluginsRootDir = parentFileObj.getParentFile();
var jsPluginsRootDirName = _canonize(jsPluginsRootDir); var jsPluginsRootDirName = _canonize(jsPluginsRootDir);
/*
wph 20131215 Experimental
*/
var _loadedModules = {};
var _require = function(path)
{
var file = new java.io.File(path);
var canonizedFilename = _canonize(file);
if (_loadedModules[canonizedFilename]){
return _loadedModules[canonizedFilename];
}
if (verbose){
print("loading module " + canonizedFilename);
}
var reader = new java.io.FileReader(file);
var br = new java.io.BufferedReader(reader);
var code = "";
while ((r = br.readLine()) !== null) code += r + "\n";
code = "var result = {};(function(exports){ " + code + "; return exports;}(result))";
_loadedModules[canonizedFilename] = __engine.eval(code);
return _loadedModules[canonizedFilename];
};
global.loadedModules = _loadedModules;
global.require = _require;
var _loaded = {}; var _loaded = {};
/* /*
@ -317,57 +342,53 @@ var server = org.bukkit.Bukkit.server;
*/ */
var _load = function(filename,warnOnFileNotFound) var _load = function(filename,warnOnFileNotFound)
{ {
var filenames = [];
if (filename.constructor == Array)
filenames = filename;
else
filenames = [filename];
var result = null; var result = null;
for (var i =0;i < filenames.length; i++) { var file = new java.io.File(filename);
var canonizedFilename = _canonize(file);
var file = new java.io.File(filenames[0]); //
var canonizedFilename = _canonize(file); // wph 20130123 don't load the same file more than once.
// //
// wph 20130123 don't load the same file more than once. if (_loaded[canonizedFilename])
// return _loaded[canonizedFilename];
if (_loaded[canonizedFilename])
continue;
if (verbose)
print("loading " + canonizedFilename);
if (file.exists()) {
var parent = file.getParentFile();
var reader = new java.io.FileReader(file);
var br = new java.io.BufferedReader(reader);
__engine.put("__script",canonizedFilename);
__engine.put("__folder",(parent?_canonize(parent):"")+"/");
var code = "";
try{
if (file.getCanonicalPath().endsWith(".coffee")) {
var r = undefined;
while ((r = br.readLine()) !== null) code += "\"" + r + "\" +\n";
code += "\"\"";
var code = "load(__folder + \"../core/_coffeescript.js\"); var ___code = "+code+"; eval(CoffeeScript.compile(___code, {bare: true}))";
} else {
while ((r = br.readLine()) !== null) code += r + "\n";
}
result = __engine.eval(code);
_loaded[canonizedFilename] = true;
reader.close();
}catch (e){
__plugin.logger.severe("Error evaluating " + canonizedFilename + ", " + e );
}
}else{
if (warnOnFileNotFound)
__plugin.logger.warning(canonizedFilename + " not found");
}
}
if (verbose)
print("loading " + canonizedFilename);
if (file.exists()) {
var parent = file.getParentFile();
var reader = new java.io.FileReader(file);
var br = new java.io.BufferedReader(reader);
__engine.put("__script",canonizedFilename);
__engine.put("__folder",(parent?_canonize(parent):"")+"/");
var code = "";
try{
if (file.getCanonicalPath().endsWith(".coffee")) {
var r = undefined;
while ((r = br.readLine()) !== null) code += "\"" + r + "\" +\n";
code += "\"\"";
var code = "load(__folder + \"../core/_coffeescript.js\"); var ___code = "+code+"; eval(CoffeeScript.compile(___code, {bare: true}))";
} else {
while ((r = br.readLine()) !== null) code += r + "\n";
}
result = __engine.eval(code);
_loaded[canonizedFilename] = result || true;
}catch (e){
__plugin.logger.severe("Error evaluating " + canonizedFilename + ", " + e );
}
finally {
try {
reader.close();
}catch (re){
// fail silently on reader close error
}
}
}else{
if (warnOnFileNotFound)
__plugin.logger.warning(canonizedFilename + " not found");
}
return result; return result;
}; };
/* /*
@ -472,7 +493,7 @@ var server = org.bukkit.Bukkit.server;
// don't load plugin more than once // don't load plugin more than once
// //
if (typeof _plugins[moduleName] != "undefined") if (typeof _plugins[moduleName] != "undefined")
return; return _plugins[moduleName].module;
var pluginData = {persistent: isPersistent, module: moduleObject}; var pluginData = {persistent: isPersistent, module: moduleObject};
moduleObject.store = moduleObject.store || {}; moduleObject.store = moduleObject.store || {};