json.path.delete: Difference between revisions
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|usage= | |usage= | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
json.path.delete(json, path) | json.path.delete(json, path) | ||
</ | </syntaxhighlight> | ||
'''Parameters''' | '''Parameters''' | ||
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|examples= | |examples= | ||
Suppose we have the following nested json: | Suppose we have the following nested json: | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[h:troll = json.set("{}", "name", "Troll", "HP", 75, "Attacks", json.append("Claw", "Bite"))] | [h:troll = json.set("{}", "name", "Troll", "HP", 75, "Attacks", json.append("Claw", "Bite"))] | ||
[h:orc = json.set("{}", "name", "Orc", "HP", 13, "Attacks", json.append("Sword", "Punch"))] | [h:orc = json.set("{}", "name", "Orc", "HP", 13, "Attacks", json.append("Sword", "Punch"))] | ||
[h:monsters = json.set("{}", "Troll", troll, "Orc", orc)] | [h:monsters = json.set("{}", "Troll", troll, "Orc", orc)] | ||
</ | </syntaxhighlight> | ||
To delete the "Punch" attack of the Orc, we could write | To delete the "Punch" attack of the Orc, we could write | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[r: json.path.delete(monsters, "Orc.Attacks.[1]")] | [r: json.path.delete(monsters, "Orc.Attacks.[1]")] | ||
</ | </syntaxhighlight> | ||
or, alternatively, | or, alternatively, | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[r: json.path.delete(monsters, "Orc.Attacks[?(@ == 'Punch')]")] | [r: json.path.delete(monsters, "Orc.Attacks[?(@ == 'Punch')]")] | ||
</ | </syntaxhighlight> | ||
Either statement return the json without the "Punch", | Either statement return the json without the "Punch", | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
{"Troll":{"name":"Troll","HP":75,"Attacks":["Claw","Bite"]},"Orc":{"name":"Orc","HP":13,"Attacks":["Sword"]}} | {"Troll":{"name":"Troll","HP":75,"Attacks":["Claw","Bite"]},"Orc":{"name":"Orc","HP":13,"Attacks":["Sword"]}} | ||
</ | </syntaxhighlight> | ||
}} | }} | ||
Latest revision as of 16:41, 15 March 2023
json.path.delete() Function
• Introduced in version 1.5.5
Returns a JSON Array or JSON Object with deleted elements. These deletions are specified through the path parameter. Additional information on how to specify the path is availabe here.
Usage
json.path.delete(json, path)Parameters
json- The json element to delete the value from.path- The path of the values.
Examples
Suppose we have the following nested json:
[h:troll = json.set("{}", "name", "Troll", "HP", 75, "Attacks", json.append("Claw", "Bite"))]
[h:orc = json.set("{}", "name", "Orc", "HP", 13, "Attacks", json.append("Sword", "Punch"))]
[h:monsters = json.set("{}", "Troll", troll, "Orc", orc)]To delete the "Punch" attack of the Orc, we could write
[r: json.path.delete(monsters, "Orc.Attacks.[1]")]or, alternatively,
[r: json.path.delete(monsters, "Orc.Attacks[?(@ == 'Punch')]")]Either statement return the json without the "Punch",
{"Troll":{"name":"Troll","HP":75,"Attacks":["Claw","Bite"]},"Orc":{"name":"Orc","HP":13,"Attacks":["Sword"]}}