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1a7473ff45
* split `index.js` to separate files * tune clipboard * fix promise * fix document * remove intermediate empty file * fix async event listener * use `export function` instead of `export {}`, add more comments Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: 6543 <6543@obermui.de>
160 lines
4.9 KiB
JavaScript
160 lines
4.9 KiB
JavaScript
import Vue from 'vue';
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import {vueDelimiters} from './VueComponentLoader.js';
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export function initRepoBranchTagDropdown(selector) {
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$(selector).each(function () {
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const $dropdown = $(this);
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const $data = $dropdown.find('.data');
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const data = {
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items: [],
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mode: $data.data('mode'),
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searchTerm: '',
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noResults: '',
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canCreateBranch: false,
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menuVisible: false,
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createTag: false,
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active: 0
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};
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$data.find('.item').each(function () {
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data.items.push({
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name: $(this).text(),
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url: $(this).data('url'),
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branch: $(this).hasClass('branch'),
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tag: $(this).hasClass('tag'),
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selected: $(this).hasClass('selected')
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});
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});
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$data.remove();
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new Vue({
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el: this,
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delimiters: vueDelimiters,
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data,
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computed: {
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filteredItems() {
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const items = this.items.filter((item) => {
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return ((this.mode === 'branches' && item.branch) || (this.mode === 'tags' && item.tag)) &&
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(!this.searchTerm || item.name.toLowerCase().includes(this.searchTerm.toLowerCase()));
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});
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// no idea how to fix this so linting rule is disabled instead
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this.active = (items.length === 0 && this.showCreateNewBranch ? 0 : -1); // eslint-disable-line vue/no-side-effects-in-computed-properties
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return items;
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},
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showNoResults() {
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return this.filteredItems.length === 0 && !this.showCreateNewBranch;
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},
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showCreateNewBranch() {
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if (!this.canCreateBranch || !this.searchTerm) {
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return false;
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}
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return this.items.filter((item) => item.name.toLowerCase() === this.searchTerm.toLowerCase()).length === 0;
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}
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},
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watch: {
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menuVisible(visible) {
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if (visible) {
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this.focusSearchField();
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}
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}
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},
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beforeMount() {
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this.noResults = this.$el.getAttribute('data-no-results');
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this.canCreateBranch = this.$el.getAttribute('data-can-create-branch') === 'true';
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document.body.addEventListener('click', (event) => {
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if (this.$el.contains(event.target)) return;
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if (this.menuVisible) {
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Vue.set(this, 'menuVisible', false);
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}
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});
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},
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methods: {
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selectItem(item) {
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const prev = this.getSelected();
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if (prev !== null) {
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prev.selected = false;
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}
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item.selected = true;
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window.location.href = item.url;
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},
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createNewBranch() {
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if (!this.showCreateNewBranch) return;
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$(this.$refs.newBranchForm).trigger('submit');
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},
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focusSearchField() {
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Vue.nextTick(() => {
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this.$refs.searchField.focus();
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});
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},
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getSelected() {
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for (let i = 0, j = this.items.length; i < j; ++i) {
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if (this.items[i].selected) return this.items[i];
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}
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return null;
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},
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getSelectedIndexInFiltered() {
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for (let i = 0, j = this.filteredItems.length; i < j; ++i) {
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if (this.filteredItems[i].selected) return i;
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}
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return -1;
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},
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scrollToActive() {
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let el = this.$refs[`listItem${this.active}`];
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if (!el || !el.length) return;
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if (Array.isArray(el)) {
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el = el[0];
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}
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const cont = this.$refs.scrollContainer;
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if (el.offsetTop < cont.scrollTop) {
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cont.scrollTop = el.offsetTop;
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} else if (el.offsetTop + el.clientHeight > cont.scrollTop + cont.clientHeight) {
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cont.scrollTop = el.offsetTop + el.clientHeight - cont.clientHeight;
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}
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},
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keydown(event) {
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if (event.keyCode === 40) { // arrow down
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event.preventDefault();
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if (this.active === -1) {
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this.active = this.getSelectedIndexInFiltered();
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}
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if (this.active + (this.showCreateNewBranch ? 0 : 1) >= this.filteredItems.length) {
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return;
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}
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this.active++;
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this.scrollToActive();
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} else if (event.keyCode === 38) { // arrow up
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event.preventDefault();
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if (this.active === -1) {
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this.active = this.getSelectedIndexInFiltered();
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}
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if (this.active <= 0) {
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return;
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}
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this.active--;
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this.scrollToActive();
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} else if (event.keyCode === 13) { // enter
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event.preventDefault();
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if (this.active >= this.filteredItems.length) {
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this.createNewBranch();
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} else if (this.active >= 0) {
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this.selectItem(this.filteredItems[this.active]);
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}
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} else if (event.keyCode === 27) { // escape
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event.preventDefault();
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this.menuVisible = false;
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}
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}
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}
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});
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});
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}
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