identifierRangeAtOffset
identifierRangeAtOffset(
text,offset):OffsetRange|null
The identifier under offset, or null when the offset does not sit on an identifier character.
An identifier character is [A-Za-z0-9_$], the set TypeScript’s language service treats as part
of a name; an offset one past the last character still counts, so a caret right after a name
asks about that name.
Parameters
Section titled “Parameters”string
offset
Section titled “offset”number
Returns
Section titled “Returns”OffsetRange | null