29 lines
634 B
TypeScript
29 lines
634 B
TypeScript
|
/**
|
||
|
|
* @author M.Karkowski
|
||
|
|
* @email M.Karkowski@zema.de
|
||
|
|
*/
|
||
|
|
|
||
|
|
import { stringifyWithFunctions } from "./jsonMethods";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Function to generate a Hash
|
||
|
|
* @param obj the Object, that should be hashed
|
||
|
|
*/
|
||
|
|
export function generateHash(obj: any) {
|
||
|
|
// Convert the object to String
|
||
|
|
const str = typeof obj === "string" ? obj : stringifyWithFunctions(obj);
|
||
|
|
|
||
|
|
// Define Vars.
|
||
|
|
let hash = 0,
|
||
|
|
i,
|
||
|
|
chr;
|
||
|
|
if (str.length === 0) return hash.toString();
|
||
|
|
for (i = 0; i < str.length; i++) {
|
||
|
|
chr = str.charCodeAt(i);
|
||
|
|
hash = (hash << 5) - hash + chr;
|
||
|
|
hash |= 0; // Convert to 32bit integer
|
||
|
|
}
|
||
|
|
|
||
|
|
return hash.toString();
|
||
|
|
}
|