v8-types.ts

// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Type Definitions based on implementation in bindings/

export interface TimeProfile {
  /** Time in nanoseconds at which profile was stopped. */
  endTime: number;
  topDownRoot: TimeProfileNode;
  /** Time in nanoseconds at which profile was started. */
  startTime: number;
}

export interface ProfileNode {
  // name is the function name.
  name?: string;
  scriptName: string;
  scriptId?: number;
  lineNumber?: number;
  columnNumber?: number;
  children: ProfileNode[];
}

export interface TimeProfileNode extends ProfileNode {
  hitCount: number;
}

export interface AllocationProfileNode extends ProfileNode {
  allocations: Allocation[];
}

export interface Allocation {
  sizeBytes: number;
  count: number;
}