astro/dist/runtime/client/dev-toolbar/ui-library/select.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

import { settings } from "../settings.js";
const styles = ["purple", "gray", "red", "green", "yellow", "blue"];
class DevToolbarSelect extends HTMLElement {
  shadowRoot;
  element;
  _selectStyle = "gray";
  get selectStyle() {
    return this._selectStyle;
  }
  set selectStyle(value) {
    if (!styles.includes(value)) {
      settings.logger.error(`Invalid style: ${value}, expected one of ${styles.join(", ")}.`);
      return;
    }
    this._selectStyle = value;
    this.updateStyle();
  }
  static observedAttributes = ["select-style"];
  constructor() {
    super();
    this.shadowRoot = this.attachShadow({ mode: "open" });
    this.shadowRoot.innerHTML = `
      <style>
        :host {
          --purple-text: rgba(224, 204, 250, 1);
					--purple-border: rgba(113, 24, 226, 1);

          --gray-text: rgba(191, 193, 201, 1);
					--gray-border:rgba(191, 193, 201, 1);

					--red-text: rgba(249, 196, 215, 1);
					--red-border: rgba(179, 62, 102, 1);

					--green-text: rgba(213, 249, 196, 1);
					--green-border: rgba(61, 125, 31, 1);

					--yellow-text: rgba(249, 233, 196, 1);
					--yellow-border: rgba(181, 138, 45, 1);

					--blue-text: rgba(189, 195, 255, 1);
					--blue-border: rgba(54, 69, 217, 1);

          --text-color: var(--gray-text);
          --border-color: var(--gray-border);
        }
        select {
          appearance: none;
          text-align-last: center;
          display: inline-block;
          font-family: system-ui, sans-serif;
          font-size: 14px;
          padding: 4px 24px 4px 8px;
          border: 1px solid var(--border-color);
          border-radius: 4px;
          color: var(--text-color);
          background-color: transparent;
          background-image:
            linear-gradient(45deg, transparent 50%, var(--text-color) 50%),
            linear-gradient(135deg, var(--text-color) 50%, transparent 50%);
          background-position:
            calc(100% - 12px) calc(1em - 2px),
            calc(100% - 8px) calc(1em - 2px);
          background-size: 4px 4px;
          background-repeat: no-repeat;
        }
      </style>
      <style id="selected-style"></style>
      <slot></slot>
    `;
    this.element = document.createElement("select");
    this.shadowRoot.addEventListener("slotchange", (event) => {
      if (event.target instanceof HTMLSlotElement) {
        this.element.append(...event.target.assignedNodes());
      }
    });
  }
  connectedCallback() {
    this.element.name = "dev-toolbar-select";
    this.shadowRoot.append(this.element);
    this.updateStyle();
  }
  attributeChangedCallback() {
    if (this.hasAttribute("select-style")) {
      this.selectStyle = this.getAttribute("select-style");
    }
  }
  updateStyle() {
    const style = this.shadowRoot.querySelector("#selected-style");
    if (style) {
      style.innerHTML = `
        :host {
          --text-color: var(--${this.selectStyle}-text);
          --border-color: var(--${this.selectStyle}-border);
        }
      `;
    }
  }
}
export {
  DevToolbarSelect
};