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March 10, 2019 05:14
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import React from 'react' | |
import DocViewer from '../src/components/doc/Viewer' | |
import { setupSaxParser } from 'docutils-react/lib/getComponentForXmlSax' | |
import regeneratorRuntime from "regenerator-runtime"; | |
export default class Viewer extends React.Component { | |
constructor(props) { | |
super(props); | |
} | |
static async getInitialProps({req}) { | |
if(req) { | |
const server = true; | |
console.log('get initial props'); | |
return new Promise((resolve, reject) => { | |
const parser = Viewer.getDocumentParser({ server, resolve, reject }); | |
if(!parser) { | |
throw new Error("no parser"); | |
} | |
Viewer.getDocumentStream({ server, parser, docName: 'index' }) | |
.then((stream) => Viewer.handleDocumentStream({ server, stream, parser })) | |
.catch(err => console.log(err.stack)); | |
}); | |
} | |
return Promise.resolve({ server: false }); | |
// const fetch = require('node-fetch'); | |
// const axios = r<equire('axios'); | |
// axios.get('/static/xml/index.xml').then(response =>{ | |
// | |
// }); | |
} | |
componentDidMount() | |
{ | |
} | |
static getDocumentUrl(props) { | |
return `http://localhost/xml/${props.docName}.xml`; | |
} | |
static nodeStreamReader(stream, parser) { | |
let chunk; | |
while(null !== (chunk = stream.read())) { | |
// console.log(chunk); | |
parser.write(chunk); | |
} | |
} | |
static handleNodeStream({stream, parser}) { | |
if(!parser) { | |
throw new Error("Need parser"); | |
} | |
stream.setEncoding('utf8'); | |
stream.on('readable', () => Viewer.nodeStreamReader(stream, parser)); | |
return new Promise((resolve, reject) => { | |
stream.on('end', () => { parser.close(); resolve({o: true});}); | |
}); | |
} | |
static handleDocumentStream(props) { | |
const { server, stream, parser } = props; | |
if(server) { | |
return Viewer.handleNodeStream({stream, parser}); | |
} else { | |
return Viewer.handleWebStream({stream, parser}); | |
} | |
} | |
static getDocumentParser({ server, resolve, reject }) { | |
const context = {}; | |
const { parser } = setupSaxParser({context}); | |
parser.onend = () => { | |
const nodes = context.siblings[0].map(f => f()); | |
const r = nodes.filter(React.isValidElement)[0]; | |
if(!React.isValidElement(r)) { | |
reject(new Error("Invalid Element")); | |
} | |
const data = context.nodes[0].dataChildren.map(f => f()).filter(e => e[0] === 'document')[0]; | |
resolve({ component: r }); | |
}; | |
return parser; | |
} | |
static getDocumentStream(props) { | |
const url = Viewer.getDocumentUrl(props); | |
let fetch; | |
if(props.server) { | |
fetch = require('node-fetch'); | |
} else { | |
fetch = window.fetch; | |
} | |
return fetch(url).then( | |
response => { | |
if(!response.ok) { | |
throw new Error(`Unable to retreieve URL ${url}`); | |
} | |
return response; | |
}).then(response => { | |
if(props.server) { | |
return response.body; | |
} else { | |
return response.body.getReader(); | |
} | |
}); | |
} | |
/* | |
updateDocument() { | |
const context = { getComponent: this.props.getComponent }; | |
const { parser } = setupSaxParser({ context }); | |
parser.onend = (() => { | |
const nodes = context.siblings[0].map(f => f()); | |
const r = nodes.filter(React.isValidElement)[0]; | |
if(!React.isValidElement(r)) { | |
console.dir(r); | |
console.log('invalid element'); | |
return; | |
} | |
const data = context.nodes[0].dataChildren.map(f => f()).filter(e => e[0] === 'document')[0]; | |
if(this.props.handleData) { | |
this.props.handleData(data); | |
} | |
this.setState({component: r, loading: false}, () => { | |
console.log('state has been set'); | |
if(me.timerId) { | |
clearInterval(me.timerId); | |
this.timerId = undefined; | |
} | |
this.props.onComplete({ docName: me.props.docName}); | |
}); | |
}).bind(this); | |
let fetch; | |
if(this.props.server) { | |
fetch = require('node-fetch'); | |
} else { | |
fetch = window.fetch; | |
} | |
*/ | |
/* | |
.catch(err => { | |
console.log(`fetch error ${url}`); | |
if(err.stack) { | |
console.log(err.stack); | |
} | |
console.log(err); | |
this.setState({loading: false}); | |
if(this.props.onFail) { | |
this.props.onFail(this.props.docName, err); | |
} | |
}); | |
} | |
*/ | |
render() { | |
const props = { }; | |
console.log('hello props'); | |
console.log(Object.keys(this.props)); | |
// getDocumentStream={Viewer.getDocumentStream} | |
return <div>{this.props.component}</div>;// <DocViewer handleDocumentStream={this.handleDocumentStream} getDocumentUrl={() => ''}/> | |
} | |
} |
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Millie is fine https://imgur.com/gallery/a7tiOHm but she has kidney disease (shes almost 15) and needs subcutaneous fluids about 3 times a week for the rest of her life :/ but im ok to do it and i love her lots. She would love to meet you sometime