lib/rules/exports-style.js
function getStaticPropertyName(node) {
    let prop = null

    switch (node && node.type) {
        case "Property":
        case "MethodDefinition":
            prop = node.key
            break

        case "MemberExpression":
            prop = node.property
            break

        // no default
    }

    switch (prop && prop.type) {
        case "Literal":
            return String(prop.value)

        case "TemplateLiteral":
            if (prop.expressions.length === 0 && prop.quasis.length === 1) {
                return prop.quasis[0].value.cooked
            }
            break

        case "Identifier":
            if (!node.computed) {
                return prop.name
            }
            break

        // no default
    }

    return null
}
function getStaticPropertyName(node) {
    let prop = null

    switch (node && node.type) {
        case "Property":
        case "MethodDefinition":
            prop = node.key
            break

        case "MemberExpression":
            prop = node.property
            break

        // no default
    }

    switch (prop && prop.type) {
        case "Literal":
            return String(prop.value)

        case "TemplateLiteral":
            if (prop.expressions.length === 0 && prop.quasis.length === 1) {
                return prop.quasis[0].value.cooked
            }
            break

        case "Identifier":
            if (!node.computed) {
                return prop.name
            }
            break

        // no default
    }

    return null
}
/*istanbul ignore next 
This function is copied from https://github.com/eslint/eslint/blob/2355f8d0de1d6732605420d15ddd4f1eee3c37b6/lib/ast-utils.js#L648-L684

@param {ASTNode} node - The node to get.
@returns {string|null} The property name if static. Otherwise, null.
@private