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Captain Nick Lucifer* 2023-03-10 23:21:16 +05:45
commit a0bc2d79de
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node_modules/uglify-js/lib/squeeze-more.js generated vendored Normal file
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var jsp = require("./parse-js"),
pro = require("./process"),
slice = jsp.slice,
member = jsp.member,
curry = jsp.curry,
MAP = pro.MAP,
PRECEDENCE = jsp.PRECEDENCE,
OPERATORS = jsp.OPERATORS;
function ast_squeeze_more(ast) {
var w = pro.ast_walker(), walk = w.walk, scope;
function with_scope(s, cont) {
var save = scope, ret;
scope = s;
ret = cont();
scope = save;
return ret;
};
function _lambda(name, args, body) {
return [ this[0], name, args, with_scope(body.scope, curry(MAP, body, walk)) ];
};
return w.with_walkers({
"toplevel": function(body) {
return [ this[0], with_scope(this.scope, curry(MAP, body, walk)) ];
},
"function": _lambda,
"defun": _lambda,
"new": function(ctor, args) {
if (ctor[0] == "name" && ctor[1] == "Array" && !scope.has("Array")) {
if (args.length != 1) {
return [ "array", args ];
} else {
return walk([ "call", [ "name", "Array" ], args ]);
}
}
},
"call": function(expr, args) {
if (expr[0] == "dot" && expr[2] == "toString" && args.length == 0) {
// foo.toString() ==> foo+""
return [ "binary", "+", expr[1], [ "string", "" ]];
}
if (expr[0] == "name" && expr[1] == "Array" && args.length != 1 && !scope.has("Array")) {
return [ "array", args ];
}
}
}, function() {
return walk(pro.ast_add_scope(ast));
});
};
exports.ast_squeeze_more = ast_squeeze_more;