Can object 's be preserved after modifying value?

I set up [a little tool](https://github.com/antwarjs/cli) using recast to install a package and write its name to a configuration file (lib/install.js, lib/ast.js). The problem is that it doesn't seem to retain formatting of the value. Ie. instead of `name: 'antwar-minimal-theme'` I end up with `name: "antwar-minimal-theme"` even if the old value used '.

It is possible it is some kind of an user error so I just thought to ask directly. I tried setting `quote` option to `auto` but that didn't seem to work in this case.

Start by reading the reported integration points in lib/install.js and lib/ast.js, then reproduce the rewrite with the existing quote option. Compare the generated configuration with the original source; done means the modified value preserves the original single-quote style when that style was present.

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