telegraf
Version:
Modern Telegram Bot Framework
58 lines (57 loc) • 1.57 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.is2D = exports.hasPropType = exports.hasProp = void 0;
/**
* Checks if a given object has a property with a given name.
*
* Example invocation:
* ```js
* let obj = { 'foo': 'bar', 'baz': () => {} }
* hasProp(obj, 'foo') // true
* hasProp(obj, 'baz') // true
* hasProp(obj, 'abc') // false
* ```
*
* @param obj An object to test
* @param prop The name of the property
*/
function hasProp(obj, prop) {
return obj !== undefined && prop in obj;
}
exports.hasProp = hasProp;
/**
* Checks if a given object has a property with a given name.
* Furthermore performs a `typeof` check on the property if it exists.
*
* Example invocation:
* ```js
* let obj = { 'foo': 'bar', 'baz': () => {} }
* hasPropType(obj, 'foo', 'string') // true
* hasPropType(obj, 'baz', 'function') // true
* hasPropType(obj, 'abc', 'number') // false
* ```
*
* @param obj An object to test
* @param prop The name of the property
* @param type The type the property is expected to have
*/
function hasPropType(obj, prop, type) {
// eslint-disable-next-line valid-typeof
return hasProp(obj, prop) && type === typeof obj[prop];
}
exports.hasPropType = hasPropType;
/**
* Checks if the supplied array has two dimensions or not.
*
* Example invocations:
* is2D([]) // false
* is2D([[]]) // true
* is2D([[], []]) // true
* is2D([42]) // false
*
* @param arr an array with one or two dimensions
*/
function is2D(arr) {
return Array.isArray(arr[0]);
}
exports.is2D = is2D;