code: function maxstache (str, ctx) {
    ctx = ctx || {}
  
    assert.equal(typeof str, 'string')
    assert.equal(typeof ctx, 'object')
  
    const tokens = str.split(/\{\{|\}\}/)
    const res = tokens.map(parse(ctx))
    return res.join('')
  }
docs: Minimalist mustache template replacement (str, obj) -> null