Fork from https://github.com/estools/esshorten/ @1.1.1 Fix result in node11
esshorten provides name mangler, this shorten names in JavaScript code. mangler accepts JavaScript AST and generate modified AST with shortened names.
We can use this with,
esshorten.mangle(AST);And we can pass options to mangler,
esshorten.mangle(AST, {
// If false, AST is copied deeply (default: true)
destructive: false,
// If false, avoid [JSC bug](https://github.com/mozilla/sweet.js/issues/138) (default: false)
distinguishFunctionExpressionScope: false
});When destructive option is set to false, esshorten copies AST and modifies it.
Copyright (C) 2013 Yusuke Suzuki (twitter: @Constellation) and other contributors.
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