How to get value from object using string of object path in typescript without using eval?-CodePudding

In JS/typescript, lets say I have an object like this

var obj = {
  a: {
   b:{
    c:1
   }
  }
}

And I have a string "b.c". How can I evaluate this using only those variables and get the value 1 from the object without using hacks like eval since typescript would complain.

Thanks

CodePudding user response：

You can use the reduce method to achieve this.

const getValueFromObjectPath = (obj, path) => {
    return path.split('.').reduce((prev, curr) => prev ? prev[curr] : undefined, obj);
}

getValueFromObjectPath(obj, 'a.b.c') // 1