async runWithInputs()

in src/nodes/shared/chat-template-generator.ts [44:121]
70 lines of code
12 McCabe index (conditional complexity)

  async runWithInputs(inputs: Inputs) {
    const { user, assistant, system, modelid, add_generation_prompt, apikey } =
      inputs;

    const _modelid = modelid?.trim();

    if (!user || !_modelid) {
      // No input node
      this.dispatchEvent(
        new CustomEvent("outputs", { detail: { results: null } })
      );
      return;
    }

    if (this.cachedResult && compareObjects(this.cachedInput, inputs)) {
      this.dispatchEvent(
        new CustomEvent("outputs", { detail: this.cachedResult })
      );
      return;
    }

    try {
      if (this.cachedInput?.modelid !== _modelid || !this.configFile) {
        const file = await this.downloadFile({
          repo: _modelid,
          path: "tokenizer_config.json",
          credentials: apikey ? { accessToken: apikey } : undefined,
        });
        if (file) {
          this.configFile = await file.json();
        } else {
          throw new Error("Failed to download file");
        }
      }
    } catch (error) {
      console.error("Failed to download file", error);
      this.dispatchEvent(
        new CustomEvent("outputs", { detail: { results: null } })
      );
      return;
    }

    const chat = [
      ...(system ? [{ role: "system", content: system }] : []),
      { role: "user", content: user },
      { role: "assistant", content: assistant },
    ];

    try {
      const template = new Template(this.configFile.chat_template);
      const result = template.render({
        add_generation_prompt: add_generation_prompt,
        messages: chat,
        bos_token: this.configFile.bos_token,
        eos_token: this.configFile.eos_token,
      });
      this.cachedInput = inputs;
      this.cachedResult = { template: result, modelid: _modelid };

      this.dispatchEvent(
        new CustomEvent("outputs", {
          detail: this.cachedResult,
        })
      );
    } catch (error: any) {
      this.dispatchEvent(
        new CustomEvent("outputs", {
          detail: {
            error: {
              title: "Error",
              message: error.message,
            },
          },
        })
      );
      return;
    }
  }