@zag-js/signature-pad/dist/signature-pad.connect.mjs

Core logic for the signature-pad widget implemented as a state machine

// src/signature-pad.connect.ts
import { dataAttr, getEventTarget, getRelativePoint, isLeftClick, isModifierKey } from "@zag-js/dom-query";
import { parts } from "./signature-pad.anatomy.mjs";
import * as dom from "./signature-pad.dom.mjs";
function connect(service, normalize) {
  const { state, send, prop, computed, context, scope } = service;
  const drawing = state.matches("drawing");
  const empty = computed("isEmpty");
  const interactive = computed("isInteractive");
  const disabled = !!prop("disabled");
  const required = !!prop("required");
  const translations = prop("translations");
  return {
    empty,
    drawing,
    currentPath: context.get("currentPath"),
    paths: context.get("paths"),
    clear() {
      send({ type: "CLEAR" });
    },
    getDataUrl(type, quality) {
      if (computed("isEmpty")) return Promise.resolve("");
      return dom.getDataUrl(scope, { type, quality });
    },
    getLabelProps() {
      return normalize.label({
        ...parts.label.attrs,
        dir: prop("dir"),
        id: dom.getLabelId(scope),
        "data-disabled": dataAttr(disabled),
        "data-required": dataAttr(required),
        htmlFor: dom.getHiddenInputId(scope),
        onClick(event) {
          if (!interactive) return;
          if (event.defaultPrevented) return;
          const controlEl = dom.getControlEl(scope);
          controlEl?.focus({ preventScroll: true });
        }
      });
    },
    getRootProps() {
      return normalize.element({
        ...parts.root.attrs,
        dir: prop("dir"),
        "data-disabled": dataAttr(disabled),
        id: dom.getRootId(scope)
      });
    },
    getControlProps() {
      return normalize.element({
        ...parts.control.attrs,
        dir: prop("dir"),
        tabIndex: disabled ? void 0 : 0,
        id: dom.getControlId(scope),
        role: "application",
        "aria-roledescription": "signature pad",
        "aria-label": translations.control,
        "aria-disabled": disabled,
        "data-disabled": dataAttr(disabled),
        onPointerDown(event) {
          if (!isLeftClick(event)) return;
          if (isModifierKey(event)) return;
          if (!interactive) return;
          const target = getEventTarget(event);
          if (target?.closest("[data-part=clear-trigger]")) return;
          event.currentTarget.setPointerCapture(event.pointerId);
          const point = { x: event.clientX, y: event.clientY };
          const controlEl = dom.getControlEl(scope);
          if (!controlEl) return;
          const { offset } = getRelativePoint(point, controlEl);
          send({ type: "POINTER_DOWN", point: offset, pressure: event.pressure });
        },
        onPointerUp(event) {
          if (!interactive) return;
          if (event.currentTarget.hasPointerCapture(event.pointerId)) {
            event.currentTarget.releasePointerCapture(event.pointerId);
          }
        },
        style: {
          position: "relative",
          touchAction: "none",
          userSelect: "none",
          WebkitUserSelect: "none"
        }
      });
    },
    getSegmentProps() {
      return normalize.svg({
        ...parts.segment.attrs,
        style: {
          position: "absolute",
          top: 0,
          left: 0,
          width: "100%",
          height: "100%",
          pointerEvents: "none",
          fill: prop("drawing").fill
        }
      });
    },
    getSegmentPathProps(props) {
      return normalize.path({
        ...parts.segmentPath.attrs,
        d: props.path
      });
    },
    getGuideProps() {
      return normalize.element({
        ...parts.guide.attrs,
        dir: prop("dir"),
        "data-disabled": dataAttr(disabled)
      });
    },
    getClearTriggerProps() {
      return normalize.button({
        ...parts.clearTrigger.attrs,
        dir: prop("dir"),
        type: "button",
        "aria-label": translations.clearTrigger,
        hidden: !context.get("paths").length || drawing,
        disabled,
        onClick() {
          send({ type: "CLEAR" });
        }
      });
    },
    getHiddenInputProps(props) {
      return normalize.input({
        id: dom.getHiddenInputId(scope),
        type: "text",
        hidden: true,
        disabled,
        required: prop("required"),
        readOnly: true,
        name: prop("name"),
        value: props.value
      });
    }
  };
}
export {
  connect
};