Obisidian CustomJS module to ask for user input

input.js

class Input {
  PromptModal = class extends customJS.obsidian.Modal {
    title = "Input";
    value = "";
    submitted = false;
    placeholder = "Type text here";

    constructor(opts = {}) {
      super(app);
      Object.assign(this, opts);
    }

    onOpen() {
      const { TextComponent } = customJS.obsidian;
      const { titleEl, contentEl, title } = this;

      titleEl.setText(title);
      const textInput = new TextComponent(contentEl);
      textInput.inputEl.style.width = "100%";
      textInput.setPlaceholder(this.placeholder);
      textInput.setValue(this.value);
      textInput.onChange((value) => (this.value = value));
      textInput.inputEl.addEventListener("keydown", (event) =>
        this.enterCallback(event)
      );
    }

    onClose() {
      if (this.resolve) {
        this.resolve(this.submitted ? this.value : null);
      }
    }

    enterCallback(event) {
      if (event.key === "Enter") {
        this.submitted = true;
        event.preventDefault();
        this.close();
      }
    }
  };

  SuggestModal = class extends customJS.obsidian.FuzzySuggestModal {
    selected = null;
    items = [];

    constructor(opts = {}) {
      super(app);
      Object.assign(this, opts);
    }

    getItems() {
      return this.items;
    }

    getItemText(item) {
      if (typeof item === "object") {
        return item.title;
      }
      return item;
    }

    onChooseItem(item) {
      this.selected = item;
    }

    onClose() {
      if (this.resolve) {
        this.resolve(this.selected);
      }
    }
  };

  async prompt(opts = {}) {
    const { PromptModal } = this;
    return new Promise((resolve) => {
      const modal = new PromptModal({
        ...opts,
        resolve,
      });
      modal.open();
    });
  }

  async suggester(items, opts = {}) {
    const { SuggestModal } = this;
    return new Promise((resolve) => {
      const modal = new SuggestModal({
        ...opts,
        items,
        resolve,
      });
      modal.open();
    });
  }
}