Function _validatedVectorOperation

src/math/patch-vector.js:29–76

(expectsSoloNumberArgument)

 * @internal
 */
export function _validatedVectorOperation(expectsSoloNumberArgument){
  return function(target){
    return function (...args) {
      if (args.length === 0) {
        // No arguments? No action
        return this;
      } else if (args[0] instanceof Vector) {
        // First argument is a vector? Make it an array
        args = args[0].values;
      } else if (Array.isArray(args[0])) {
        // First argument is an array? Great, keep it!
        args = args[0];
      } else if (args.length === 1){
        // Special case for a solo numeric arguments only applies sometimes
        if (expectsSoloNumberArgument) {
          args = args[0];
        }
      }

      if(Array.isArray(args)){
        for (let i = 0; i < args.length; i++) {
          const v = args[i];
          if (typeof v !== 'number' || !Number.isFinite(v)) {
            if (!this.friendlyErrorsDisabled()) {
              this._friendlyError(
                'Arguments contain non-finite numbers',
                'p5.Vector'
              );
            }
            return this;
          }
        }
      } else {
        if (typeof args !== 'number' || !Number.isFinite(args)) {
          if (!this.friendlyErrorsDisabled()) {
            this._friendlyError(
              'Arguments contain non-finite numbers',
              'p5.Vector'
            );
          }
          return this;
        }
      }

      return target.call(this, args);
    };
  };
}

/**
 * Each of the following decorators validates the data on vector operations.