{"version":3,"file":"button-menu.bundle.mjs","sources":["../../../../node_modules/govuk-frontend/dist/govuk/common/index.mjs","../../../../node_modules/govuk-frontend/dist/govuk/errors/index.mjs","../../../../node_modules/govuk-frontend/dist/govuk/component.mjs","../../../../node_modules/govuk-frontend/dist/govuk/common/configuration.mjs","../../../../src/moj/components/button-menu/button-menu.mjs"],"sourcesContent":["function getBreakpoint(name) {\n const property = `--govuk-breakpoint-${name}`;\n const value = window.getComputedStyle(document.documentElement).getPropertyValue(property);\n return {\n property,\n value: value || undefined\n };\n}\nfunction setFocus($element, options = {}) {\n var _options$onBeforeFocu;\n const isFocusable = $element.getAttribute('tabindex');\n if (!isFocusable) {\n $element.setAttribute('tabindex', '-1');\n }\n function onFocus() {\n $element.addEventListener('blur', onBlur, {\n once: true\n });\n }\n function onBlur() {\n var _options$onBlur;\n (_options$onBlur = options.onBlur) == null || _options$onBlur.call($element);\n if (!isFocusable) {\n $element.removeAttribute('tabindex');\n }\n }\n $element.addEventListener('focus', onFocus, {\n once: true\n });\n (_options$onBeforeFocu = options.onBeforeFocus) == null || _options$onBeforeFocu.call($element);\n $element.focus();\n}\nfunction isInitialised($root, moduleName) {\n return $root instanceof HTMLElement && $root.hasAttribute(`data-${moduleName}-init`);\n}\n\n/**\n * Checks if GOV.UK Frontend is supported on this page\n *\n * Some browsers will load and run our JavaScript but GOV.UK Frontend\n * won't be supported.\n *\n * @param {HTMLElement | null} [$scope] - (internal) `` HTML element checked for browser support\n * @returns {boolean} Whether GOV.UK Frontend is supported on this page\n */\nfunction isSupported($scope = document.body) {\n if (!$scope) {\n return false;\n }\n return $scope.classList.contains('govuk-frontend-supported');\n}\nfunction isArray(option) {\n return Array.isArray(option);\n}\nfunction isObject(option) {\n return !!option && typeof option === 'object' && !isArray(option);\n}\nfunction isScope($scope) {\n return !!$scope && ($scope instanceof Element || $scope instanceof Document);\n}\nfunction formatErrorMessage(Component, message) {\n return `${Component.moduleName}: ${message}`;\n}\n/**\n * @typedef ComponentWithModuleName\n * @property {string} moduleName - Name of the component\n */\n\nexport { formatErrorMessage, getBreakpoint, isInitialised, isObject, isScope, isSupported, setFocus };\n//# sourceMappingURL=index.mjs.map\n","import { isObject, formatErrorMessage } from '../common/index.mjs';\n\nclass GOVUKFrontendError extends Error {\n constructor(...args) {\n super(...args);\n this.name = 'GOVUKFrontendError';\n }\n}\nclass SupportError extends GOVUKFrontendError {\n /**\n * Checks if GOV.UK Frontend is supported on this page\n *\n * @param {HTMLElement | null} [$scope] - HTML element `` checked for browser support\n */\n constructor($scope = document.body) {\n const supportMessage = 'noModule' in HTMLScriptElement.prototype ? 'GOV.UK Frontend initialised without `` from template `