@contentstack/live-preview-utils/dist/legacy/visualBuilder/eventManager/useRecalculateVariantDataCSLPValues.cjs.map

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.

{"version":3,"sources":["../../../../src/visualBuilder/eventManager/useRecalculateVariantDataCSLPValues.ts"],"sourcesContent":["import { VisualBuilder } from \"..\";\nimport livePreviewPostMessage from \"../../livePreview/eventManager/livePreviewEventManager\";\nimport { LIVE_PREVIEW_POST_MESSAGE_EVENTS } from \"../../livePreview/eventManager/livePreviewEventManager.constant\";\nimport { DATA_CSLP_ATTR_SELECTOR } from \"../utils/constants\";\nimport { visualBuilderStyles } from \"../visualBuilder.style\";\n\nconst VARIANT_UPDATE_DELAY_MS: Readonly<number> = 8000;\n\ntype OnAudienceModeVariantPatchUpdate = {\n    highlightVariantFields: boolean;\n    expectedCSLPValues: Record<\"variant\" | \"base\", string>;\n};\n\n/**\n * Registers a post message event listener for updating the variant / base classes in the live preview for audience mode.\n */\nexport function useRecalculateVariantDataCSLPValues(): void {\n    livePreviewPostMessage?.on<OnAudienceModeVariantPatchUpdate>(\n        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});\n            return;\n        }\n        //if element might have been updated by another observer\n        if (\n            dataCslp.startsWith(\"v2:\") &&\n            element.classList.contains(\"visual-builder__variant-field\")\n        ) {\n            return;\n        }\n        // if element has not given variant/base class\n        if (\n            dataCslp.startsWith(\"v2:\") &&\n            !element.classList.contains(\"visual-builder__variant-field\")\n        ) {\n            if (element.classList.contains(\"visual-builder__base-field\")) {\n                element.classList.remove(\"visual-builder__base-field\");\n            }\n            if (highlightVariantFields) {\n                element.classList.add(\n                    visualBuilderStyles()[\"visual-builder__variant-field\"],\n                    \"visual-builder__variant-field\"\n                );\n            } else {\n                element.classList.add(\"visual-builder__variant-field\");\n            }\n        } else if (!dataCslp.startsWith(\"v2:\")) {\n            if (element.classList.contains(\"visual-builder__variant-field\")) {\n                element.classList.remove(\n                    visualBuilderStyles()[\"visual-builder__variant-field\"],\n                    \"visual-builder__variant-field\"\n                );\n            }\n            element.classList.add(\"visual-builder__base-field\");\n        }\n\n        //recursive call for child nodes\n        element.childNodes.forEach((child) => {\n            if (child instanceof HTMLElement) {\n                addElementClasses(child);\n            }\n        });\n    };\n\n    // Create a separate observer for each element\n    const elementsWithCslp = document.querySelectorAll(\n        `[${DATA_CSLP_ATTR_SELECTOR}]`\n    );\n    elementsWithCslp.forEach((elementNode) => {\n        const element = elementNode as HTMLElement;\n        const observer = new MutationObserver((mutations) => {\n            mutations.forEach((mutation) => {\n                if (\n                    (mutation.type === \"attributes\" &&\n                        mutation.attributeName === DATA_CSLP_ATTR_SELECTOR) ||\n                    mutation.type === \"childList\"\n                ) {\n                    if (mutation.addedNodes.length > 0) {\n                        mutation.addedNodes.forEach((node) => {\n                            if (node instanceof HTMLElement) {\n                                addElementClasses(node);\n                            }\n                        });\n                    }\n                    const dataCslp = element.getAttribute(\n                        DATA_CSLP_ATTR_SELECTOR\n                    );\n                    updateElementClasses(element, dataCslp || \"\", observer);\n                }\n            });\n        });\n\n        observers.push(observer);\n        observer.observe(element, {\n            attributes: true,\n            childList: true, // 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