@darkobits/valida/dist/lib/utils.js

Type-aware object validator.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.decorateMethod = decorateMethod;
exports.formatMessage = formatMessage;
exports.isPredicate = isPredicate;

var _ow = require("ow");

function formatMessage(err) {
  if (!err || typeof err.stack !== 'string') return;
  return err.message.split('\n').map(line => {
    if (line.endsWith(':') || line.endsWith('.')) {
      return line;
    }

    return `${line}.`;
  }).join('\n');
}

function isPredicate(value) {
  return value instanceof _ow.Predicate;
}

function decorateMethod(ctor, methodName, decorator) {
  const originalMethod = ctor.prototype[methodName];

  ctor.prototype[methodName] = function (...args) {
    return decorator({
      args,
      method: originalMethod.bind(this),
      instance: this
    });
  };
}
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