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AI-generatedUnexpected index-based array merging in lodash _.merge
When merging configuration objects that contain array-valued properties, developers often rely on lodash’s _.merge to combine defaults with overrides. However, _.merge merges arrays by index rather than concatenating or replacing them, which can silently reshape data—e.g., merging {tags:['a','b']} with {tags:['c']} yields {tags:['c','b']}. This behavior dive
lodash