static async getInstance()

in florence2-webgpu/src/worker.js [24:44]

• 19 lines of code
• 3 McCabe index (conditional complexity)

  static async getInstance(progress_callback = null) {
    this.processor ??= AutoProcessor.from_pretrained(this.model_id);
    this.tokenizer ??= AutoTokenizer.from_pretrained(this.model_id);

    this.supports_fp16 ??= await hasFp16();
    this.model ??= Florence2ForConditionalGeneration.from_pretrained(
      this.model_id,
      {
        dtype: {
          embed_tokens: this.supports_fp16 ? "fp16" : "fp32",
          vision_encoder: this.supports_fp16 ? "fp16" : "fp32",
          encoder_model: "q4", // or 'fp16' or 'fp32'
          decoder_model_merged: "q4", // or 'fp16' or 'fp32'
        },
        device: "webgpu",
        progress_callback,
      },
    );

    return Promise.all([this.model, this.tokenizer, this.processor]);
  }