Created
March 23, 2018 13:01
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CodeSpitz75_w2_practice2
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| const Github = class { | |
| constructor(id, repo) { | |
| this._base = `https://api.github.com/repos/${id}/${repo}/contents/`; | |
| } | |
| load(path) { | |
| if (!this._parser) return; | |
| const id = 'callback' + Github._id++; | |
| const f = Github[id] = ({data:{content}})=>{ | |
| delete Github[id]; | |
| document.head.removeChild(s); | |
| this._parser[0](content, ...this._parser[1]); | |
| }; | |
| const s = document.createElement('script'); | |
| s.src = `${this._base + path}?callback=Github.${id}`; | |
| document.head.appendChild(s); | |
| } | |
| setParser(f, ...arg) { | |
| this._parser = [f, arg];} | |
| }; | |
| Github._id = 0; |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <body> | |
| <img id="a" /> | |
| <div id="b"></div> | |
| <img id="c" /> | |
| <div id="d"></div> | |
| <script src="Github.js"></script> | |
| <script src="Loader.js"></script> | |
| <script> | |
| const el =v=>document.querySelector(v); | |
| const d64 =v=>decodeURIComponent( | |
| atob(v).split('').map(c=>'%' + ('00' +c.charCodeAt(0).toString(16)).slice(-2)).join('') | |
| ); | |
| const parseMD = (v) => { | |
| return d64(v).split('\n').map(v=>{ | |
| let i = 3; | |
| while(i--){ | |
| if(v.startsWith('#'.repeat(i + 1))) return `<h${i + 1}>${v.substr(i + 1)}</h${i + 1}>`; | |
| } | |
| return v; | |
| }).join('<br>'); | |
| }; | |
| const img = (v, el)=>el.src = 'data:text/plain;base64,' + v; | |
| const md =(v, el)=>el.innerHTML = parseMD(v); | |
| const loader = new Loader(); | |
| loader.addRepo('s74', 'hikaMaeng', 'codespitz75'); | |
| loader.addRouter('s74', 'jpg,png,gif', img, el('#a')); | |
| loader.addRouter('s74', 'md', md, el('#b')); | |
| loader.addRepo('s75', 'hikaMaeng', 'codespitz75'); | |
| loader.addRouter('s75', 'jpg,png,gif', img, el('#c')); | |
| loader.addRouter('s75', 'md', md, el('#d')); | |
| loader.load('s74', 'einBig.png'); | |
| loader.load('s75', 'README.md'); | |
| </script> | |
| </body> | |
| </html> |
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| const Loader = class{ | |
| constructor(){ | |
| this._router = {}; | |
| this._gitRepoDict = {}; | |
| } | |
| add(ext, f, ...arg) { | |
| ext.split(',').forEach(v=>this._router.set(v, [f, ...arg])); | |
| } | |
| addRepo(repoId, uid, repoName) { | |
| this._gitRepoDict[repoId] = new Github(uid, repoName); | |
| } | |
| addRouter(repoId, ext, f, ...arg) { | |
| if (!this._router[repoId]) this._router[repoId] = new Map; | |
| ext.split(',').forEach(v=>this._router[repoId].set(v, [f, ...arg])); | |
| } | |
| load(repoId, v){ | |
| const ext = v.split('.').pop(); | |
| const routerForRepoId = this._router[repoId]; | |
| if(!routerForRepoId.has(ext)) return; | |
| const gitForRepoId = this._gitRepoDict[repoId]; | |
| if(!gitForRepoId) return; | |
| gitForRepoId.setParser(...routerForRepoId.get(ext)); | |
| gitForRepoId.load(v); | |
| } | |
| }; |
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