framer-motion/src/utils/shallow-compare.ts

An open source and production-ready motion library for React on the web

export function shallowCompare(next: any[], prev: any[] | null) {
    if (!Array.isArray(prev)) return false

    const prevLength = prev.length

    if (prevLength !== next.length) return false

    for (let i = 0; i < prevLength; i++) {
        if (prev[i] !== next[i]) return false
    }

    return true
}