Implements CouchDB view-key collation in an compare function.
var compare = require('couch-viewkey-compare');
console.log(compare(['a'], ['b'])); // -1
console.log(compare(['b', 'c', 'a'], ['b', 'c'])); // 1
console.log(compare(['b', 'd'], [1, 'd', 'e'])); // 1
console.log(compare(['a'], ['a'])); // 0Copyright (c) 2015, Daniel Ericsson
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