2bd8a118c2
returns an UglifyJS2 AST given a Mozilla AST. Still needs some work to do (need to create specific nodes like AST_SymbolRef, AST_SymbolLambda etc. instead of base AST_Symbol, in order for the mangler/compressor to work properly)
58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
var save_stderr = process.stderr;
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var fs = require("fs");
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// discard annoying NodeJS warning ("path.existsSync is now called `fs.existsSync`.")
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var devnull = fs.createWriteStream("/dev/null");
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process.__defineGetter__("stderr", function(){
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return devnull;
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});
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var vm = require("vm");
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var sys = require("util");
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var path = require("path");
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var UglifyJS = vm.createContext({
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sys : sys,
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console : console,
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MOZ_SourceMap : require("source-map")
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});
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process.__defineGetter__("stderr", function(){
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return save_stderr;
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});
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function load_global(file) {
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file = path.resolve(path.dirname(module.filename), file);
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try {
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var code = fs.readFileSync(file, "utf8");
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return vm.runInContext(code, UglifyJS, file);
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} catch(ex) {
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// XXX: in case of a syntax error, the message is kinda
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// useless. (no location information).
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sys.debug("ERROR in file: " + file + " / " + ex);
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process.exit(1);
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}
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};
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load_global("../lib/utils.js");
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load_global("../lib/ast.js");
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load_global("../lib/parse.js");
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load_global("../lib/transform.js");
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load_global("../lib/scope.js");
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load_global("../lib/output.js");
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load_global("../lib/compress.js");
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load_global("../lib/sourcemap.js");
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load_global("../lib/mozilla-ast.js");
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UglifyJS.AST_Node.warn_function = function(txt) {
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sys.error("WARN: " + txt);
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};
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// XXX: perhaps we shouldn't export everything but heck, I'm lazy.
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for (var i in UglifyJS) {
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if (UglifyJS.hasOwnProperty(i)) {
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exports[i] = UglifyJS[i];
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}
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}
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