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function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; } function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } import { Vue } from '../../vue'; import { NAME_PAGINATION_NAV } from '../../constants/components'; import { IS_BROWSER } from '../../constants/env'; import { EVENT_NAME_CHANGE, EVENT_NAME_PAGE_CLICK } from '../../constants/events'; import { PROP_TYPE_ARRAY, PROP_TYPE_BOOLEAN, PROP_TYPE_FUNCTION, PROP_TYPE_NUMBER_STRING, PROP_TYPE_STRING } from '../../constants/props'; import { BvEvent } from '../../utils/bv-event.class'; import { attemptBlur, requestAF } from '../../utils/dom'; import { isArray, isUndefined, isObject } from '../../utils/inspect'; import { looseEqual } from '../../utils/loose-equal'; import { mathMax } from '../../utils/math'; import { toInteger } from '../../utils/number'; import { omit, sortKeys } from '../../utils/object'; import { hasPropFunction, makeProp, makePropsConfigurable, pluckProps } from '../../utils/props'; import { computeHref, parseQuery } from '../../utils/router'; import { toString } from '../../utils/string'; import { warn } from '../../utils/warn'; import { paginationMixin, props as paginationProps } from '../../mixins/pagination'; import { props as BLinkProps } from '../link/link'; // --- Helper methods --- // Sanitize the provided number of pages (converting to a number) export var sanitizeNumberOfPages = function sanitizeNumberOfPages(value) { return mathMax(toInteger(value, 0), 1); }; // --- Props --- var _linkProps = omit(BLinkProps, ['event', 'routerTag']); var props = makePropsConfigurable(sortKeys(_objectSpread(_objectSpread(_objectSpread({}, paginationProps), _linkProps), {}, { baseUrl: makeProp(PROP_TYPE_STRING, '/'), linkGen: makeProp(PROP_TYPE_FUNCTION), // Disable auto page number detection if `true` noPageDetect: makeProp(PROP_TYPE_BOOLEAN, false), numberOfPages: makeProp(PROP_TYPE_NUMBER_STRING, 1, /* istanbul ignore next */ function (value) { var number = toInteger(value, 0); if (number < 1) { warn('Prop "number-of-pages" must be a number greater than "0"', NAME_PAGINATION_NAV); return false; } return true; }), pageGen: makeProp(PROP_TYPE_FUNCTION), // Optional array of page links pages: makeProp(PROP_TYPE_ARRAY), useRouter: makeProp(PROP_TYPE_BOOLEAN, false) })), NAME_PAGINATION_NAV); // --- Main component --- // @vue/component export var BPaginationNav = /*#__PURE__*/Vue.extend({ name: NAME_PAGINATION_NAV, // The render function is brought in via the pagination mixin mixins: [paginationMixin], props: props, computed: { // Used by render function to trigger wrapping in '<nav>' element isNav: function isNav() { return true; }, computedValue: function computedValue() { // Returns the value prop as a number or `null` if undefined or < 1 var value = toInteger(this.value, 0); return value < 1 ? null : value; } }, watch: { numberOfPages: function numberOfPages() { var _this = this; this.$nextTick(function () { _this.setNumberOfPages(); }); }, pages: function pages() { var _this2 = this; this.$nextTick(function () { _this2.setNumberOfPages(); }); } }, created: function created() { this.setNumberOfPages(); }, mounted: function mounted() { var _this3 = this; if (this.$router) { // We only add the watcher if vue router is detected this.$watch('$route', function () { _this3.$nextTick(function () { requestAF(function () { _this3.guessCurrentPage(); }); }); }); } }, methods: { setNumberOfPages: function setNumberOfPages() { var _this4 = this; if (isArray(this.pages) && this.pages.length > 0) { this.localNumberOfPages = this.pages.length; } else { this.localNumberOfPages = sanitizeNumberOfPages(this.numberOfPages); } this.$nextTick(function () { _this4.guessCurrentPage(); }); }, onClick: function onClick(event, pageNumber) { var _this5 = this; // Dont do anything if clicking the current active page if (pageNumber === this.currentPage) { return; } var target = event.currentTarget || event.target; // Emit a user-cancelable `page-click` event var clickEvt = new BvEvent(EVENT_NAME_PAGE_CLICK, { cancelable: true, vueTarget: this, target: target }); this.$emit(clickEvt.type, clickEvt, pageNumber); if (clickEvt.defaultPrevented) { return; } // Update the `v-model` // Done in in requestAF() to allow browser to complete the // native browser click handling of a link requestAF(function () { _this5.currentPage = pageNumber; _this5.$emit(EVENT_NAME_CHANGE, pageNumber); }); // Emulate native link click page reloading behaviour by blurring the // paginator and returning focus to the document // Done in a `nextTick()` to ensure rendering complete this.$nextTick(function () { attemptBlur(target); }); }, getPageInfo: function getPageInfo(pageNumber) { if (!isArray(this.pages) || this.pages.length === 0 || isUndefined(this.pages[pageNumber - 1])) { var link = "".concat(this.baseUrl).concat(pageNumber); return { link: this.useRouter ? { path: link } : link, text: toString(pageNumber) }; } var info = this.pages[pageNumber - 1]; if (isObject(info)) { var _link = info.link; return { // Normalize link for router use link: isObject(_link) ? _link : this.useRouter ? { path: _link } : _link, // Make sure text has a value text: toString(info.text || pageNumber) }; } else { return { link: toString(info), text: toString(pageNumber) }; } }, makePage: function makePage(pageNumber) { var pageGen = this.pageGen; var info = this.getPageInfo(pageNumber); if (hasPropFunction(pageGen)) { return pageGen(pageNumber, info); } return info.text; }, makeLink: function makeLink(pageNumber) { var linkGen = this.linkGen; var info = this.getPageInfo(pageNumber); if (hasPropFunction(linkGen)) { return linkGen(pageNumber, info); } return info.link; }, linkProps: function linkProps(pageNumber) { var props = pluckProps(_linkProps, this); var link = this.makeLink(pageNumber); if (this.useRouter || isObject(link)) { props.to = link; } else { props.href = link; } return props; }, resolveLink: function resolveLink() { var to = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; // Given a to (or href string), convert to normalized route-like structure // Works only client side! var link; try { // Convert the `to` to a HREF via a temporary `a` tag link = document.createElement('a'); link.href = computeHref({ to: to }, 'a', '/', '/'); // We need to add the anchor to the document to make sure the // `pathname` is correctly detected in any browser (i.e. IE) document.body.appendChild(link); // Once href is assigned, the link will be normalized to the full URL bits var _link2 = link, pathname = _link2.pathname, hash = _link2.hash, search = _link2.search; // Remove link from document document.body.removeChild(link); // Return the location in a route-like object return { path: pathname, hash: hash, query: parseQuery(search) }; } catch (e) { /* istanbul ignore next */ try { link && link.parentNode && link.parentNode.removeChild(link); } catch (_unused) {} /* istanbul ignore next */ return {}; } }, resolveRoute: function resolveRoute() { var to = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; // Given a to (or href string), convert to normalized route location structure // Works only when router available! try { var route = this.$router.resolve(to, this.$route).route; return { path: route.path, hash: route.hash, query: route.query }; } catch (e) { /* istanbul ignore next */ return {}; } }, guessCurrentPage: function guessCurrentPage() { var $router = this.$router, $route = this.$route; var guess = this.computedValue; // This section only occurs if we are client side, or server-side with `$router` if (!this.noPageDetect && !guess && (IS_BROWSER || !IS_BROWSER && $router)) { // Current route (if router available) var currentRoute = $router && $route ? { path: $route.path, hash: $route.hash, query: $route.query } : {}; // Current page full HREF (if client side) // Can't be done as a computed prop! var loc = IS_BROWSER ? window.location || document.location : null; var currentLink = loc ? { path: loc.pathname, hash: loc.hash, query: parseQuery(loc.search) } : /* istanbul ignore next */ {}; // Loop through the possible pages looking for a match until found for (var pageNumber = 1; !guess && pageNumber <= this.localNumberOfPages; pageNumber++) { var to = this.makeLink(pageNumber); if ($router && (isObject(to) || this.useRouter)) { // Resolve the page via the `$router` guess = looseEqual(this.resolveRoute(to), currentRoute) ? pageNumber : null; } else if (IS_BROWSER) { // If no `$router` available (or `!this.useRouter` when `to` is a string) // we compare using parsed URIs guess = looseEqual(this.resolveLink(to), currentLink) ? pageNumber : null; } else { // Probably SSR, but no `$router` so we can't guess, // so lets break out of the loop early /* istanbul ignore next */ guess = -1; } } } // We set `currentPage` to `0` to trigger an `$emit('input', null)` // As the default for `currentPage` is `-1` when no value is specified // Valid page numbers are greater than `0` this.currentPage = guess > 0 ? guess : 0; } } });