Comparing locale strings in Javascript using the valueOf method of the String prototype

I have the following code snippet:

class MyClass {
  constructor(name) {
    this.name = name;
  }

  toString() {
    return this.name;
  }

  valueOf() {
    return this.name;
  }
}

const list = [new MyClass("b"), new MyClass("ä")];

list.sort();
console.log(list.join());

list.sort(new Intl.Collator('de').compare);
console.log(list.join());

In this scenario, using the Collator is necessary to achieve the correct sorting order. However, I am interested in eliminating this requirement and being able to compare instances of MyClass simply with something like myClass1 < myClass2. This could potentially be achieved by modifying the valueOf function.

So my query is, are there any existing JavaScript functionalities that allow me to obtain a "locale" value from a string (similar to Intl.Collator or localeCompare) which I can then return in my valueOf function to correctly determine the ordering?

Answer №1

Unfortunately, there is no information available regarding this. In essence, unless you specifically use Intl with a specified locale either directly (such as with Intl.Collator) or indirectly (like with localeCompare), the comparison of codepoints will be based on the browser's implementation of strings, which is typically done using UTF-16 code points.

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