Recipes

function transform(context)
  local qty = context.qty
  local price = context.unit_price

  if type(qty) ~= "number" or qty < 0 or qty % 1 ~= 0 then
    error("qty must be a non-negative integer")
  end
  if type(price) ~= "number" or price < 0 then
    error("unit_price must be a non-negative number")
  end

  return { qty = qty, total = qty * price }
end

atonom eval order-total.lua \
  --transform '{"qty":2,"unit_price":12.5}' --json

function transform(context)
  if type(context.email) ~= "string" then
    error("email must be a string")
  end
  local email = context.email:match("^%s*(.-)%s*$"):lower()
  if email == "" then
    error("email is required")
  end

  local tags = atonom.json.array()
  if context.tags ~= nil then
    if type(context.tags) ~= "table" then
      error("tags must be an array of strings")
    end
    for _, tag in ipairs(context.tags) do
      if type(tag) ~= "string" then
        error("each tag must be a string")
      end
      tags[#tags + 1] = tag
    end
  end

  return { email = email, tags = tags, manager = atonom.json.null }
end

atonom eval normalize-contact.lua \
  --transform '{"email":"  ADA@EXAMPLE.COM  ","tags":[]}' --json

function transform(context)
  if type(context.query) ~= "string" or context.query == "" then
    error("query is required")
  end

  local result, err = atonom.toolcall("web_search", { query = context.query })
  if err then
    return { ok = false, error = err }
  end
  if type(result) ~= "table" or type(result.hits) ~= "table" then
    error("search result must contain hits")
  end

  return { ok = true, count = #result.hits }
end

atonom eval search-summary.lua \
  --transform '{"query":"acme"}' \
  --trap-result '{"hits":[{"title":"Acme"},{"title":"Acme Labs"}]}' --json