class JSON (server-side)

Available since version: 0.3.0

JSON-backed key/value file returned by JSON.open().

Properties

No properties.

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Methods

key

Return the key at the given 0-based index or nil if out of range.

string|nil key(number index)

Parameters:

• number index: Zero-based entry index.

Returns string|nil:

Key at index or nil.

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len

Return the number of entries in the file.

number len()

Returns number:

Entry count.

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getItem

Get a value by key.

any|nil getItem(string key)

Parameters:

• string key: Entry key.

Returns any|nil:

Value or nil if missing or invalid.

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setItem

Set a value by key and save the file.

void setItem(string key, any value)

Parameters:

• string key: Entry key.
• any value: Value to store.

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removeItem

Remove a key and save the file.

void removeItem(string key)

Parameters:

• string key: Entry key.

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clear

Remove all keys and save the file.

void clear()

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open

Open a JSON file relative to the server data/internal directory.

JSON|nil open(string relative_path)

Parameters:

• string relative_path: Path under the data/internal directory.

Returns JSON|nil:

File handle or nil on error.

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Callbacks

No callbacks.

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