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steal_amd.js
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steal_amd.js
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var traverse = require('./traverse');
var comparify = require('comparify');
var optionsNormalize = require('./options_normalize');
var getAst = require("./get_ast");
var filename = function(uri){
var lastSlash = uri.lastIndexOf("/"),
matches = ( lastSlash == -1 ? uri : uri.substr(lastSlash+1) ).match(/^[\w-\s\.]+/);
return matches ? matches[0] : "";
};
var ext = function(uri){
var fn = filename(uri);
var dot = fn.lastIndexOf(".");
if(dot !== -1) {
return fn.substr(dot+1);
} else {
return "";
}
};
var normalize = function(name) {
var last = filename(name),
extension = ext(name);
// if the name ends with /
if( name[name.length -1] === "/" ) {
return name+filename( name.substr(0, name.length-1) );
} else if( !/^(\w+(?:s)?:\/\/|\.|file|\/)/.test(name) &&
// and doesn't end with a dot
last.indexOf(".") === -1
) {
return name+"/"+last;
} else {
if(extension === "js") {
return name.substr(0, name.lastIndexOf("."));
} else {
return name;
}
}
};
var stealExpression = function(obj){
return comparify(obj, {
"type": "CallExpression",
"callee": {
"type": "Identifier",
"name": "steal"
}
});
};
module.exports = function(load, options){
var ast = getAst(load);
traverse(ast, function(obj){
if( stealExpression(obj) ) {
var args = obj.arguments,
arg,
val,
moduleNames = [];
var i = 0;
while( i < args.length) {
arg = args[i];
if(arg.type == "Literal") {
val = normalize(arg.value);
arg.value = optionsNormalize(options, val, load.name, load.address);
arg.raw = '"'+arg.value+'"';
moduleNames.push(arg);
args.splice(i, 1);
} else {
i++;
}
}
obj.callee.name = "define";
args.unshift({type: "ArrayExpression", elements: moduleNames});
if(options.namedDefines) {
var defineName = optionsNormalize(options, load.name, load.name, load.address);
args.unshift({type: "Literal", value: defineName, raw: "\""+defineName+"\""});
}
return false;
}
});
return ast;
};