githaven-fork/web_src/js/svg.js

import octiconChevronDown from '../../public/img/svg/octicon-chevron-down.svg';
import octiconChevronRight from '../../public/img/svg/octicon-chevron-right.svg';
import octiconClock from '../../public/img/svg/octicon-clock.svg';
import octiconCopy from '../../public/img/svg/octicon-copy.svg';
import octiconDiffAdded from '../../public/img/svg/octicon-diff-added.svg';
import octiconDiffModified from '../../public/img/svg/octicon-diff-modified.svg';
import octiconDiffRemoved from '../../public/img/svg/octicon-diff-removed.svg';
import octiconDiffRenamed from '../../public/img/svg/octicon-diff-renamed.svg';
import octiconFile from '../../public/img/svg/octicon-file.svg';
import octiconFileDirectoryFill from '../../public/img/svg/octicon-file-directory-fill.svg';
import octiconGitMerge from '../../public/img/svg/octicon-git-merge.svg';
import octiconGitPullRequest from '../../public/img/svg/octicon-git-pull-request.svg';
import octiconIssueClosed from '../../public/img/svg/octicon-issue-closed.svg';
import octiconIssueOpened from '../../public/img/svg/octicon-issue-opened.svg';
import octiconKebabHorizontal from '../../public/img/svg/octicon-kebab-horizontal.svg';
import octiconLink from '../../public/img/svg/octicon-link.svg';
import octiconLock from '../../public/img/svg/octicon-lock.svg';
import octiconMilestone from '../../public/img/svg/octicon-milestone.svg';
import octiconMirror from '../../public/img/svg/octicon-mirror.svg';
import octiconProject from '../../public/img/svg/octicon-project.svg';
import octiconRepo from '../../public/img/svg/octicon-repo.svg';
import octiconRepoForked from '../../public/img/svg/octicon-repo-forked.svg';
import octiconRepoTemplate from '../../public/img/svg/octicon-repo-template.svg';
import octiconSidebarCollapse from '../../public/img/svg/octicon-sidebar-collapse.svg';
import octiconSidebarExpand from '../../public/img/svg/octicon-sidebar-expand.svg';
import octiconTriangleDown from '../../public/img/svg/octicon-triangle-down.svg';
import octiconX from '../../public/img/svg/octicon-x.svg';
import octiconCheckCircleFill from '../../public/img/svg/octicon-check-circle-fill.svg';
import octiconXCircleFill from '../../public/img/svg/octicon-x-circle-fill.svg';
import octiconSkip from '../../public/img/svg/octicon-skip.svg';
import octiconMeter from '../../public/img/svg/octicon-meter.svg';
import octiconBlocked from '../../public/img/svg/octicon-blocked.svg';
import octiconSync from '../../public/img/svg/octicon-sync.svg';
import octiconFilter from '../../public/img/svg/octicon-filter.svg';
import octiconPlus from '../../public/img/svg/octicon-plus.svg';
import octiconSearch from '../../public/img/svg/octicon-search.svg';
import octiconArchive from '../../public/img/svg/octicon-archive.svg';
import octiconStar from '../../public/img/svg/octicon-star.svg';
import giteaDoubleChevronLeft from '../../public/img/svg/gitea-double-chevron-left.svg';
import giteaDoubleChevronRight from '../../public/img/svg/gitea-double-chevron-right.svg';
import octiconChevronLeft from '../../public/img/svg/octicon-chevron-left.svg';
import octiconOrganization from '../../public/img/svg/octicon-organization.svg';

const svgs = {
  'octicon-blocked': octiconBlocked,
  'octicon-check-circle-fill': octiconCheckCircleFill,
  'octicon-chevron-down': octiconChevronDown,
  'octicon-chevron-right': octiconChevronRight,
  'octicon-clock': octiconClock,
  'octicon-copy': octiconCopy,
  'octicon-diff-added': octiconDiffAdded,
  'octicon-diff-modified': octiconDiffModified,
  'octicon-diff-removed': octiconDiffRemoved,
  'octicon-diff-renamed': octiconDiffRenamed,
  'octicon-file': octiconFile,
  'octicon-file-directory-fill': octiconFileDirectoryFill,
  'octicon-git-merge': octiconGitMerge,
  'octicon-git-pull-request': octiconGitPullRequest,
  'octicon-issue-closed': octiconIssueClosed,
  'octicon-issue-opened': octiconIssueOpened,
  'octicon-kebab-horizontal': octiconKebabHorizontal,
  'octicon-link': octiconLink,
  'octicon-lock': octiconLock,
  'octicon-meter': octiconMeter,
  'octicon-milestone': octiconMilestone,
  'octicon-mirror': octiconMirror,
  'octicon-project': octiconProject,
  'octicon-repo': octiconRepo,
  'octicon-repo-forked': octiconRepoForked,
  'octicon-repo-template': octiconRepoTemplate,
  'octicon-sidebar-collapse': octiconSidebarCollapse,
  'octicon-sidebar-expand': octiconSidebarExpand,
  'octicon-skip': octiconSkip,
  'octicon-sync': octiconSync,
  'octicon-triangle-down': octiconTriangleDown,
  'octicon-x': octiconX,
  'octicon-x-circle-fill': octiconXCircleFill,
  'octicon-filter': octiconFilter,
  'octicon-plus': octiconPlus,
  'octicon-search': octiconSearch,
  'octicon-archive': octiconArchive,
  'octicon-star': octiconStar,
  'gitea-double-chevron-left': giteaDoubleChevronLeft,
  'gitea-double-chevron-right': giteaDoubleChevronRight,
  'octicon-chevron-left': octiconChevronLeft,
  'octicon-organization': octiconOrganization,
};

// TODO: use a more general approach to access SVG icons. At the moment, developers must check, pick and fill the names manually, most of the SVG icons in assets couldn't be used directly.

const parser = new DOMParser();
const serializer = new XMLSerializer();

// retrieve an HTML string for given SVG icon name, size and additional classes
export function svg(name, size = 16, className = '') {
  if (!(name in svgs)) throw new Error(`Unknown SVG icon: ${name}`);
  if (size === 16 && !className) return svgs[name];

  const document = parser.parseFromString(svgs[name], 'image/svg+xml');
  const svgNode = document.firstChild;
  if (size !== 16) svgNode.setAttribute('width', String(size));
  if (size !== 16) svgNode.setAttribute('height', String(size));
  // filter array to remove empty string
  if (className) svgNode.classList.add(...className.split(/\s+/).filter(Boolean));
  return serializer.serializeToString(svgNode);
}

export const SvgIcon = {
  name: 'SvgIcon',
  props: {
    name: {type: String, required: true},
    size: {type: Number, default: 16},
    className: {type: String, default: ''},
  },

  computed: {
    svg() {
      return svg(this.name, this.size, this.className);
    },
  },

  template: `<span v-html="svg" />`
};