@contentstack/live-preview-utils/dist/modern/visualBuilder/eventManager/useVariantsPostMessageEvent.js

Contentstack provides the Live Preview SDK to establish a communication channel between the various Contentstack SDKs and your website, transmitting live changes to the preview pane.

import "../../chunk-5WRI5ZAA.js";

// src/visualBuilder/eventManager/useVariantsPostMessageEvent.ts
import { VisualBuilder } from "../index.js";
import { visualBuilderStyles } from "../visualBuilder.style.js";
import visualBuilderPostMessage from "../utils/visualBuilderPostMessage.js";
import { VisualBuilderPostMessageEvents } from "../utils/types/postMessage.types.js";
import { FieldSchemaMap } from "../utils/fieldSchemaMap.js";
function addVariantFieldClass(variant_uid, highlightVariantFields) {
  const elements = document.querySelectorAll(`[data-cslp]`);
  elements.forEach((element) => {
    const dataCslp = element.getAttribute("data-cslp");
    if (!dataCslp) return;
    if (dataCslp?.includes(variant_uid)) {
      highlightVariantFields && element.classList.add(
        visualBuilderStyles()["visual-builder__variant-field"]
      );
      element.classList.add("visual-builder__variant-field");
    } else if (!dataCslp.startsWith("v2:")) {
      element.classList.add("visual-builder__base-field");
    } else {
      element.classList.add("visual-builder__disabled-variant-field");
    }
  });
}
function removeVariantFieldClass(onlyHighlighted = false) {
  if (onlyHighlighted) {
    const variantElements = document.querySelectorAll(
      `.${visualBuilderStyles()["visual-builder__variant-field"]}`
    );
    variantElements.forEach((element) => {
      element.classList.remove(
        visualBuilderStyles()["visual-builder__variant-field"]
      );
    });
  } else {
    const variantAndBaseFieldElements = document.querySelectorAll(
      ".visual-builder__disabled-variant-field, .visual-builder__variant-field, .visual-builder__base-field"
    );
    variantAndBaseFieldElements.forEach((element) => {
      element.classList.remove(
        "visual-builder__disabled-variant-field",
        "visual-builder__variant-field",
        visualBuilderStyles()["visual-builder__variant-field"],
        "visual-builder__base-field"
      );
    });
  }
}
function setAudienceMode(mode) {
  VisualBuilder.VisualBuilderGlobalState.value.audienceMode = mode;
}
function setVariant(uid) {
  VisualBuilder.VisualBuilderGlobalState.value.variant = uid;
}
function setLocale(locale) {
  VisualBuilder.VisualBuilderGlobalState.value.locale = locale;
}
function useVariantFieldsPostMessageEvent() {
  visualBuilderPostMessage?.on(
    VisualBuilderPostMessageEvents.GET_VARIANT_ID,
    (event) => {
      setVariant(event.data.variant);
      FieldSchemaMap.clear();
    }
  );
  visualBuilderPostMessage?.on(
    VisualBuilderPostMessageEvents.GET_LOCALE,
    (event) => {
      setLocale(event.data.locale);
    }
  );
  visualBuilderPostMessage?.on(
    VisualBuilderPostMessageEvents.SET_AUDIENCE_MODE,
    (event) => {
      setAudienceMode(event.data.audienceMode);
    }
  );
  visualBuilderPostMessage?.on(
    VisualBuilderPostMessageEvents.SHOW_VARIANT_FIELDS,
    (event) => {
      removeVariantFieldClass();
      addVariantFieldClass(
        event.data.variant_data.variant,
        event.data.variant_data.highlightVariantFields
      );
    }
  );
  visualBuilderPostMessage?.on(
    VisualBuilderPostMessageEvents.REMOVE_VARIANT_FIELDS,
    (event) => {
      removeVariantFieldClass(event?.data?.onlyHighlighted);
    }
  );
}
export {
  addVariantFieldClass,
  removeVariantFieldClass,
  setAudienceMode,
  setLocale,
  setVariant,
  useVariantFieldsPostMessageEvent
};
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