31 lines
824 B
JavaScript
31 lines
824 B
JavaScript
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#! /usr/bin/env node
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global.sys = require(/^v0\.[012]/.test(process.version) ? "sys" : "util");
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var fs = require("fs");
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var uglify = require("uglify-js"), // symlink ~/.node_libraries/uglify-js.js to ../uglify-js.js
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jsp = uglify.parser,
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pro = uglify.uglify;
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var code = fs.readFileSync("hoist.js", "utf8");
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var ast = jsp.parse(code);
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ast = pro.ast_lift_variables(ast);
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var w = pro.ast_walker();
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ast = w.with_walkers({
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"function": function() {
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var node = w.dive(this); // walk depth first
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console.log(pro.gen_code(node, { beautify: true }));
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return node;
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},
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"name": function(name) {
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return [ this[0], "X" ];
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}
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}, function(){
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return w.walk(ast);
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});
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console.log(pro.gen_code(ast, {
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beautify: true
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}));
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