# ListToCsv
Convert list of nested map to two dimensional list of strings.
## Example
```ex
[
%{
name: "name1",
items: [
%{title: "title1", code: "code1"},
%{title: "title2", code: "code2"},
%{title: "title3", code: "code3"}
]
},
%{
name: "name2",
items: [
%{title: "title4", code: "code4"},
%{title: "title5", code: "code5"},
%{title: "title6", code: "code6"},
%{title: "title7", code: "code7"},
%{title: "title8", code: "code8"}
]
}
]
|> ListToCsv.parse(
headers: [
"名前",
"アイテム#名",
"アイテム#コード",
"item overflow?"
],
keys: [
:name,
[:items, :N, :title],
[:items, :N, :code],
[:items, &(length(&1) > 4)]
],
length: [items: 4]
)
=> [
["名前", "アイテム1名", "アイテム1コード", "アイテム2名",
"アイテム2コード", "アイテム3名", "アイテム3コード",
"アイテム4名", "アイテム4コード", "item overflow?"],
["name1", "title1", "code1", "title2", "code2", "title3", "code3", "", "",
"false"],
["name2", "title4", "code4", "title5", "code5", "title6", "code6", "title7",
"code7", "true"]
]
```
## Installation
If [available in Hex](https://hex.pm/docs/publish), the package can be installed
by adding `list_to_csv` to your list of dependencies in `mix.exs`:
```elixir
def deps do
[
{:list_to_csv, "~> 1.0.0"}
]
end
```
Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
be found at [https://hexdocs.pm/list_to_csv](https://hexdocs.pm/list_to_csv).