import _ from "lodash";

/**
 * 用于计算 express 表达式
 */
export function evalFunction(data, express) {
    const keys = []
    const values = []
    _.forOwn(data, (value, key) => {
        keys.push(key)
        values.push(value)
    })

    const func = Function(...keys, 'return ' + express)

    try {
        return func(...values)
    } catch (e) {
        return
    }
}