@aurigma/design-atoms/Services/ProductPreview/TextsWorkaroundItemsComparer.js

Design Atoms is a part of Customer's Canvas SDK which allows for manipulating individual design elements through your code.

import { BaseTextItem, GroupItem } from "@aurigma/design-atoms-model";
export class TextsWorkaroundItemsComparer {
    constructor() {
        this._sourceItemsToCompare = new Map();
    }
    itemsEqual(source, destination) {
        if (source.type === destination.type && this._requiresSpecialComparison(source)) {
            if (this._sourceItemsToCompare.has(source.id)) {
                const areEqual = this._sourceItemsToCompare.get(source.id).equals(source);
                if (areEqual) {
                    return true;
                }
                this._sourceItemsToCompare.set(source.id, source.clone());
                return false;
            }
            this._sourceItemsToCompare.set(source.id, source.clone());
        }
        return source.equals(destination);
    }
    /**Text items and groups from source surface require comparison with its own clones,
     * but not with ones from PreviewCanvas.
     * This is due to sourceRectangle of the text item that is on PreviewCanvas
     * becomes slightly different from the source item after server-side update is performed. */
    _requiresSpecialComparison(item) {
        return item instanceof BaseTextItem || item instanceof GroupItem;
    }
}
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