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I have a list of strings, that I need to transform to a map so that when I do jsonencode
on it later, it doesn't create an Array. This is because in json-schema the properties: { ... }
is not a list of properties but actually a map.
So each property in my list should come out as a key - value map. Where the key is the property name and the value is another map or object { "type" = "string" }.
additional-properties = [ for prop in local.prop-list: { prop = { "type" = "string" }} ]
My first attempt ends up as a list of map objects, instead of a map of properties.
Any better way to accomplish this?
My ultimate goal is to be able to use jsonencode on this in a json schema for an API Gateway model -
"properties": { "prop1": { "type": "string" }, "prop2": { "type": "string" } }
1 Answer
When you specify the assignment to additional-properties
as:
[ for prop in local.prop-list: { prop = { "type" = "string" }} ]
we can remove the lambda and variables to see the resulting type from the constructors will be:
[{{}}]
which is a nested Map inside a List.
Since you want a nested Map with a { prop { type = string } }
structure, we need to specify the constructors accordingly:
additional-properties = { # outside map with "prop" key and map value for prop in local.prop-list: prop => { "type" = "string" } # nested map with "type" key and "string" value }
Note also the change from =
to =>
for proper lambda iterator map key-value pair assignment syntax.
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