Method convertFilesToBase64

packages/ts-sdk/src/index.ts:150–193

* Convert File objects in input to API format (base64) * Recursively processes nested objects and arrays

(
    value: any,
    visited: WeakSet<object> = new WeakSet()
  )

   * Recursively processes nested objects and arrays
   */
  private async convertFilesToBase64(
    value: any,
    visited: WeakSet<object> = new WeakSet()
  ): Promise<any> {
    if (typeof File !== 'undefined' && value instanceof File) {
      const arrayBuffer = await value.arrayBuffer()
      const buffer = Buffer.from(arrayBuffer)
      const base64 = buffer.toString('base64')

      return {
        type: 'file',
        data: `data:${value.type || 'application/octet-stream'};base64,${base64}`,
        name: value.name,
        mime: value.type || 'application/octet-stream',
      }
    }

    if (Array.isArray(value)) {
      if (visited.has(value)) {
        return '[Circular]'
      }
      visited.add(value)
      const result = await Promise.all(
        value.map((item) => this.convertFilesToBase64(item, visited))
      )
      visited.delete(value)
      return result
    }

    if (value !== null && typeof value === 'object') {
      if (visited.has(value)) {
        return '[Circular]'
      }
      visited.add(value)
      const converted: any = {}
      for (const [key, val] of Object.entries(value)) {
        converted[key] = await this.convertFilesToBase64(val, visited)
      }
      visited.delete(value)
      return converted
    }

    return value
  }

  /**
   * Execute a workflow with optional input data