lib/tool.js
function ready(period, filter) {
						var tasty = this;
						tasty.hooks.set(
							filter,
							function(result) {
								return tasty.utils.thenable(
									// eslint-disable-next-line no-undef
									document.readyState === 'interactive' ||
										// eslint-disable-next-line no-undef
										document.readyState === 'complete' ?
											result :
											function(resolve) {
												// eslint-disable-next-line no-undef
												tasty.dom.on(document, 'DOMContentLoaded', resolve);
												// eslint-disable-next-line no-undef
												tasty.dom.on(document, 'readystatechage', function() {
													// eslint-disable-next-line no-undef
													(document.readyState === 'interactive' ||
														// eslint-disable-next-line no-undef
														document.readyState === 'complete') &&
															resolve();
												});
											}
								).then(function() {
									return period ?
										tasty.utils.delay(period, result) :
										result;
								});
							},
							period ?
								'ready:document ' + period :
								'ready:document'
						);
					}
function ready(period, filter) {
						var tasty = this;
						tasty.hooks.set(
							filter,
							function(result) {
								return tasty.utils.thenable(
									// eslint-disable-next-line no-undef
									document.readyState === 'interactive' ||
										// eslint-disable-next-line no-undef
										document.readyState === 'complete' ?
											result :
											function(resolve) {
												// eslint-disable-next-line no-undef
												tasty.dom.on(document, 'DOMContentLoaded', resolve);
												// eslint-disable-next-line no-undef
												tasty.dom.on(document, 'readystatechage', function() {
													// eslint-disable-next-line no-undef
													(document.readyState === 'interactive' ||
														// eslint-disable-next-line no-undef
														document.readyState === 'complete') &&
															resolve();
												});
											}
								).then(function() {
									return period ?
										tasty.utils.delay(period, result) :
										result;
								});
							},
							period ?
								'ready:document ' + period :
								'ready:document'
						);
					}
istanbul ignore next