Function _sameValue

src/core/runtime/reactivity.js:19–22

Object.is semantics: treats NaN===NaN and distinguishes +0/-0

(a, b)

/** Object.is semantics: treats NaN===NaN and distinguishes +0/-0 */
function _sameValue(a, b) {
    // eslint-disable-next-line no-self-compare
    return a === b ? (a !== 0 || 1 / a === 1 / b) : (a !== a && b !== b);
}

/**
 * A reactive effect. Re-runs when its dependencies change.