Method setMetatable

src/thread.ts:239–250

(index: number, metatable: Record<any, any>)

    }

    public setMetatable(index: number, metatable: Record<any, any>): void {
        index = this.lua.lua_absindex(this.address, index)

        if (this.lua.lua_getmetatable(this.address, index)) {
            this.pop(1)
            const name = this.getMetatableName(index)
            throw new Error(`data already has associated metatable: ${name || 'unknown name'}`)
        }

        this.pushValue(metatable)
        this.lua.lua_setmetatable(this.address, index)
    }

    public getMetatableName(index: number): string | undefined {
        const metatableNameType = this.lua.luaL_getmetafield(this.address, index, '__name')