jsonParse($string)
Returns a step that represents the JSON.parse'd value of the string. On null,
will return null. On error, will throw.
Usage:
const $parsed = jsonParse($jsonString);
A JsonParseStep has the following methods:
.get(key)- gets the value for the keykeyassuming the parsed JSON value was an object.at(index)- gets the value at indexindexassuming the parsed JSON value was an array