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| const express = require('express') | |
| const app = express() | |
| const port = 3000 | |
| const delay = (s) => { | |
| return new Promise(resolve => { | |
| setTimeout(resolve, s); | |
| }); | |
| } | |
| class Test { | |
| async fetchValue(value) { | |
| await delay(3000); | |
| return `Hello, ${value}`; | |
| } | |
| } | |
| let t = new Test(); | |
| app.get('/', async (req, res) => { | |
| var v = await t.fetchValue('12345'); | |
| res.send(v); | |
| }) | |
| app.listen(port, () => { | |
| console.log(`Example app listening at http://localhost:${port}`) | |
| }) |
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| const gis = require("g-i-s"); | |
| const generateRandomAnimalName = require("random-animal-name-generator"); | |
| const randomCountryName = require("random-country-name"); | |
| const download = require("image-downloader"); | |
| const asyncGis = (opts) => { | |
| return new Promise((resolve, reject) => { | |
| gis(opts, (error, result) => { | |
| if (error) { | |
| reject(); | |
| } else { | |
| resolve(result); | |
| } | |
| }); | |
| }); | |
| }; | |
| class webprocess { | |
| async grab() { | |
| async function logResults(error, results) { | |
| if (error) { | |
| console.log(error); | |
| } else { | |
| var rndInt = getRandomInt(3); | |
| var imgUrl = results[rndInt].url; | |
| console.log(imgUrl); | |
| const options = { | |
| url: imgUrl, | |
| dest: "images", | |
| }; | |
| await download | |
| .image(options) | |
| .then(({ filename }) => { | |
| console.log("Saved to", filename); // saved to /path/to/dest/image.jpg | |
| }) | |
| .catch((err) => console.error(err)); | |
| var content = { | |
| url: imgUrl, | |
| caption: rndInt, | |
| }; | |
| } | |
| console.log(content); | |
| return content; | |
| } | |
| function getRandomInt(max) { | |
| return Math.floor(Math.random() * Math.floor(max)); | |
| } | |
| var animalNmae = await generateRandomAnimalName(); | |
| console.log(animalNmae); | |
| var countryName = await randomCountryName.random(); | |
| console.log(countryName); | |
| var opts_location = { | |
| searchTerm: `pollution ${countryName}`, | |
| }; | |
| var opts_animal = { | |
| searchTerm: `pollution ${animalNmae}`, | |
| }; | |
| console.log(`start location...`); | |
| let result_location = await asyncGis(opts_location).catch(error =>{ | |
| console.log(error); | |
| }); | |
| console.log(result_location); | |
| console.log('end opts_location...'); | |
| console.log(`start animal...`); | |
| let result_animal = await asyncGis(opts_animal).catch(error =>{ | |
| console.log(error); | |
| }); | |
| console.log(result_animal); | |
| console.log('end opts_animal...'); | |
| } | |
| } | |
| module.exports = webprocess; |
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