Function generateDiff

src/lib/domain/diff/diff-check/diff-check.ts:171–324

({
    diagram,
    newDiagram,
    options = {},
}: {
    diagram: Diagram;
    newDiagram: Diagram;
    options?: GenerateDiffOptions;
})

}

export function generateDiff({
    diagram,
    newDiagram,
    options = {},
}: {
    diagram: Diagram;
    newDiagram: Diagram;
    options?: GenerateDiffOptions;
}): {
    diffMap: DiffMap;
    changedTables: Map<string, boolean>;
    changedFields: Map<string, boolean>;
    changedIndexes: Map<string, boolean>;
    changedCheckConstraints: Map<string, boolean>;
    changedRelationships: Map<string, boolean>;
    changedAreas: Map<string, boolean>;
    changedNotes: Map<string, boolean>;
    relationshipIdMap: Map<string, string>;
} {
    // Merge with default options
    const mergedOptions: GenerateDiffOptions = {
        includeTables: options.includeTables ?? true,
        includeFields: options.includeFields ?? true,
        includeIndexes: options.includeIndexes ?? true,
        includeCheckConstraints: options.includeCheckConstraints ?? true,
        includeRelationships: options.includeRelationships ?? true,
        includeAreas: options.includeAreas ?? false,
        includeNotes: options.includeNotes ?? false,
        attributes: options.attributes ?? {},
        changedMaps: options.changedMaps,
        changeTypes: options.changeTypes ?? {},
        matchers: options.matchers ?? {},
    };

    const newDiffs = new Map<string, ChartDBDiff>();
    const changedTables = new Map<string, boolean>();
    const changedFields = new Map<string, boolean>();
    const changedIndexes = new Map<string, boolean>();
    const changedCheckConstraints = new Map<string, boolean>();
    const changedRelationships = new Map<string, boolean>();
    const changedAreas = new Map<string, boolean>();
    const changedNotes = new Map<string, boolean>();
    const relationshipIdMap = new Map<string, string>();

    // Use provided matchers or default ones
    const tableMatcher = mergedOptions.matchers?.table ?? defaultTableMatcher;
    const fieldMatcher = mergedOptions.matchers?.field ?? defaultFieldMatcher;
    const indexMatcher = mergedOptions.matchers?.index ?? defaultIndexMatcher;
    const checkConstraintMatcher =
        mergedOptions.matchers?.checkConstraint ??
        defaultCheckConstraintMatcher;
    const relationshipMatcher =
        mergedOptions.matchers?.relationship ?? defaultRelationshipMatcher;
    const areaMatcher = mergedOptions.matchers?.area ?? defaultAreaMatcher;
    const noteMatcher = mergedOptions.matchers?.note ?? defaultNoteMatcher;

    // Compare tables
    if (mergedOptions.includeTables) {