Function stringify

packages/jsonp/src/index.ts:10–34

(
  value: unknown,
  replacer: (this: any, key: string, value: any) => any,
  spaces: string | number,
  escape: boolean
)

}>

function stringify(
  value: unknown,
  replacer: (this: any, key: string, value: any) => any,
  spaces: string | number,
  escape: boolean
) {
  let json = replacer || spaces ? JSON.stringify(value, replacer, spaces) : JSON.stringify(value)

  if (escape) {
    json = json.replace(/[<>&]/g, (c) => {
      switch (c.charCodeAt(0)) {
        case 0x3c:
          return '\\u003c'
        case 0x3e:
          return '\\u003e'
        case 0x26:
          return '\\u0026'
        default:
          return c
      }
    })
  }

  return json
}

/**
 * Send JSON response with JSONP callback support