Parses a raw persisted preference value. Returns null (no preference) for missing / blank / malformed JSON, non-object payloads, and non-finite or non-positive widths — a reset is stored as { "width": null }, which also parses to null. Never throws.
null
{ "width": null }
Parses a raw persisted preference value. Returns
null(no preference) for missing / blank / malformed JSON, non-object payloads, and non-finite or non-positive widths — a reset is stored as{ "width": null }, which also parses tonull. Never throws.