131 lines
5.2 KiB
TypeScript
131 lines
5.2 KiB
TypeScript
import express from 'express';
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import swaggerUi from 'swagger-ui-dist';
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import jsonRefParser, {JSONSchema} from '@apidevtools/json-schema-ref-parser';
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import oasParser from '@apidevtools/swagger-parser';
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// modified from https://github.com/scottie1984/swagger-ui-express
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// usage: app.use('/api-doc', api.serve(), api.setup());
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// the paths property can be split using allOf
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// further route documentation can be included in the x-doc property
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export default function api () {
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// generate apiDoc
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let apiDoc: JSONSchema = {};
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jsonRefParser.bundle('api/api.yaml', (err, doc) => { // parse yaml
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if (err) throw err;
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apiDoc = doc;
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apiDoc.servers.splice(process.env.NODE_ENV === 'production', 1);
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apiDoc.paths = apiDoc.paths.allOf.reduce((s, e) => Object.assign(s, e)); // bundle routes
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apiDoc = resolveXDoc(apiDoc);
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oasParser.validate(apiDoc, (err, api) => { // validate oas schema
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if (err) {
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console.error(err);
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}
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else {
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console.info(process.env.NODE_ENV === 'test' ? '' : 'API ok, version ' + api.info.version);
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}
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});
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});
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return [
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(req, res, next) => { // serve init js and apiDoc file
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switch (req.url) {
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case '/swagger-ui-init.js':
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res.set('Content-Type', 'application/javascript');
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res.send(jsTplString);
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break;
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case '/apidoc.json':
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res.set('Content-Type', 'application/json');
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res.send(apiDoc);
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break;
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default:
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next();
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}
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}, // serve swagger files
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express.static(swaggerUi.getAbsoluteFSPath(), {index: false}),
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(req, res) => { // serve html file as default
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res.send(htmlTplString);
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}
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];
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}
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function resolveXDoc (doc) { // resolve x-doc properties recursively
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Object.keys(doc).forEach(key => {
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if (doc[key] !== null && doc[key].hasOwnProperty('x-doc')) { // add x-doc to description, is styled via css
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doc[key].description += '<details class="docs"><summary>docs</summary>' + doc[key]['x-doc'] + '</details>';
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}
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else if (typeof doc[key] === 'object' && doc[key] !== null) { // go deeper into recursion
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doc[key] = resolveXDoc(doc[key]);
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}
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});
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return doc;
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}
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// templates
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const htmlTplString = `
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>API documentation</title>
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<link rel="stylesheet" type="text/css" href="./swagger-ui.css" >
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<link rel="stylesheet" type="text/css" href="/static/styles/swagger-ui.css" >
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<link rel="icon" type="image/png" href="/static/img/favicon.ico">
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</head>
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<body>
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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="position:absolute;width:0;height:0">
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<defs>
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<symbol viewBox="0 0 20 20" id="unlocked">
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<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703 6 5.6V6h2v-.801C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139 1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8 8z"></path>
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</symbol>
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<symbol viewBox="0 0 20 20" id="locked">
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<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703 6 5.6V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139 1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8 8zM12 8H8V5.199C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8z"/>
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</symbol>
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<symbol viewBox="0 0 20 20" id="close">
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<path d="M14.348 14.849c-.469.469-1.229.469-1.697 0L10 11.819l-2.651 3.029c-.469.469-1.229.469-1.697 0-.469-.469-.469-1.229 0-1.697l2.758-3.15-2.759-3.152c-.469-.469-.469-1.228 0-1.697.469-.469 1.228-.469 1.697 0L10 8.183l2.651-3.031c.469-.469 1.228-.469 1.697 0 .469.469.469 1.229 0 1.697l-2.758 3.152 2.758 3.15c.469.469.469 1.229 0 1.698z"/>
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</symbol>
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<symbol viewBox="0 0 20 20" id="large-arrow">
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<path d="M13.25 10L6.109 2.58c-.268-.27-.268-.707 0-.979.268-.27.701-.27.969 0l7.83 7.908c.268.271.268.709 0 .979l-7.83 7.908c-.268.271-.701.27-.969 0-.268-.269-.268-.707 0-.979L13.25 10z"/>
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</symbol>
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<symbol viewBox="0 0 20 20" id="large-arrow-down">
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<path d="M17.418 6.109c.272-.268.709-.268.979 0s.271.701 0 .969l-7.908 7.83c-.27.268-.707.268-.979 0l-7.908-7.83c-.27-.268-.27-.701 0-.969.271-.268.709-.268.979 0L10 13.25l7.418-7.141z"/>
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</symbol>
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<symbol viewBox="0 0 24 24" id="jump-to">
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<path d="M19 7v4H5.83l3.58-3.59L8 6l-6 6 6 6 1.41-1.41L5.83 13H21V7z"/>
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</symbol>
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<symbol viewBox="0 0 24 24" id="expand">
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<path d="M10 18h4v-2h-4v2zM3 6v2h18V6H3zm3 7h12v-2H6v2z"/>
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</symbol>
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</defs>
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</svg>
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<div id="swagger-ui"></div>
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<script src="./swagger-ui-bundle.js"> </script>
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<script src="./swagger-ui-standalone-preset.js"> </script>
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<script src="./swagger-ui-init.js"> </script>
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</body>
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</html>
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`;
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const jsTplString = `
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window.onload = function() {
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// Build a system
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window.ui = SwaggerUIBundle({
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url: '/api-doc/apidoc.json',
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dom_id: '#swagger-ui',
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deepLinking: true,
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presets: [
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SwaggerUIBundle.presets.apis,
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SwaggerUIStandalonePreset
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],
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plugins: [
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SwaggerUIBundle.plugins.DownloadUrl
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],
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layout: "StandaloneLayout",
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});
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}
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`; |