@sentry/core/build/esm/utils/is.js

Base implementation for all Sentry JavaScript SDKs

const objectToString = Object.prototype.toString;
function isError(wat) {
  switch (objectToString.call(wat)) {
    case "[object Error]":
    case "[object Exception]":
    case "[object DOMException]":
    case "[object WebAssembly.Exception]":
      return true;
    default:
      return isInstanceOf(wat, Error);
  }
}
function isBuiltin(wat, className) {
  return objectToString.call(wat) === `[object ${className}]`;
}
function isErrorEvent(wat) {
  return isBuiltin(wat, "ErrorEvent");
}
function isDOMError(wat) {
  return isBuiltin(wat, "DOMError");
}
function isDOMException(wat) {
  return isBuiltin(wat, "DOMException");
}
function isString(wat) {
  return isBuiltin(wat, "String");
}
function isParameterizedString(wat) {
  return typeof wat === "object" && wat !== null && "__sentry_template_string__" in wat && "__sentry_template_values__" in wat;
}
function isPrimitive(wat) {
  return wat === null || isParameterizedString(wat) || typeof wat !== "object" && typeof wat !== "function";
}
function isPlainObject(wat) {
  return isBuiltin(wat, "Object");
}
function isEvent(wat) {
  return typeof Event !== "undefined" && isInstanceOf(wat, Event);
}
function isElement(wat) {
  return typeof Element !== "undefined" && isInstanceOf(wat, Element);
}
function isRegExp(wat) {
  return isBuiltin(wat, "RegExp");
}
function isThenable(wat) {
  return Boolean(wat?.then && typeof wat.then === "function");
}
function isSyntheticEvent(wat) {
  return isPlainObject(wat) && "nativeEvent" in wat && "preventDefault" in wat && "stopPropagation" in wat;
}
function isInstanceOf(wat, base) {
  try {
    return wat instanceof base;
  } catch {
    return false;
  }
}
function isVueViewModel(wat) {
  return !!(typeof wat === "object" && wat !== null && (wat.__isVue || wat._isVue || wat.__v_isVNode));
}
function isRequest(request) {
  return typeof Request !== "undefined" && isInstanceOf(request, Request);
}

export { isDOMError, isDOMException, isElement, isError, isErrorEvent, isEvent, isInstanceOf, isParameterizedString, isPlainObject, isPrimitive, isRegExp, isRequest, isString, isSyntheticEvent, isThenable, isVueViewModel };
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