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Fixes #7433.

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This commit is contained in:
Dominik Picheta 2018-03-29 11:57:53 +01:00
commit 9c2cdc94a2
2 changed files with 25 additions and 0 deletions
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10
lib/pure/json.nim
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@ -964,6 +964,16 @@ proc `{}`*(node: JsonNode, keys: varargs[string]): JsonNode =
return nil
result = result.fields.getOrDefault(key)
proc `{}`*(node: JsonNode, index: varargs[int]): JsonNode =
## Traverses the node and gets the given value. If any of the
## indexes do not exist, returns ``nil``. Also returns ``nil`` if one of the
## intermediate data structures is not an array.
result = node
for i in index:
if isNil(result) or result.kind != JArray or i >= node.len:
return nil
result = result.elems[i]
proc getOrDefault*(node: JsonNode, key: string): JsonNode =
## Gets a field from a `node`. If `node` is nil or not an object or
## value at `key` does not exist, returns nil