Function: getTypeOf()¶

getTypeOf(value): string

Get the type name of any value using Symbol.toStringTag for custom types and Object.prototype.toString for standard JS types.

Recognizes gaslamp classes (BareFrame, FlameFrame, GroupedFrame, LazyFrame, ForgeFrame, Expression), GAS types (Sheet, Spreadsheet, etc.), and standard JS types (string, number, array, date, map, set, etc.).

Parameters¶

value¶

unknown

Value to inspect

Returns¶

string

Type name as a lowercase string

Example¶

TypeScript

getTypeOf("hello");                    // "string"
getTypeOf([1, 2, 3]);                  // "array"
getTypeOf(new Date());                 // "date"
getTypeOf(new BareFrame(...));         // "bareframe"
getTypeOf(new FlameFrame(...));        // "flameframe"
getTypeOf(new GroupedFrame(...));      // "groupedframe"
getTypeOf(new LazyFrame(...));         // "lazyframe"
getTypeOf(new ForgeFrame(...));        // "forgeframe"
getTypeOf(new Expression('col'));      // "expression"
getTypeOf(null);                       // "null"

Since¶

0.37.0