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/* eslint-env node */ |
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/*jslint node: true */ |
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'use strict'; |
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let jsonfile = require('jsonfile'); |
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let parser = require('molecular-parser'); |
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let resources = jsonfile.readFileSync('build/data/resources.json'); |
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let elements = jsonfile.readFileSync('build/data/elements.json'); |
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for (let element in elements) { |
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elements[element].reactions = elements[element].reactions || []; |
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} |
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let lineReader = require('readline').createInterface({ |
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input: require('fs').createReadStream('build/data/raw_reactions.txt') |
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}); |
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let reactions = {}; |
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// for each reaction |
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lineReader.on('line', function (line) { |
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let reaction = parseReaction(line); |
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let key = generateKey(reaction); |
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reactions[key] = {}; |
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reactions[key].reactant = vectorToMap(reaction[0]); |
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reactions[key].product = vectorToMap(reaction[1]); |
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extractElements(reactions[key], key); |
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}); |
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lineReader.on('close', function () { |
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jsonfile.writeFileSync('build/data/resources.json', resources, { |
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spaces: 2 |
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}); |
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jsonfile.writeFileSync('build/data/elements.json', elements, { |
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spaces: 2 |
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}); |
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jsonfile.writeFileSync('build/data/reactions.json', reactions, { |
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spaces: 2 |
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}); |
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}); |
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function vectorToMap(vector){ |
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let map = {}; |
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for(let i in vector){ |
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let resource = vector[i]; |
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if(typeof elements[resource] !== 'undefined'){ |
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resource = elements[resource].main; |
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} |
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map[resource] = map[resource]+1 || 1; |
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} |
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return map; |
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} |
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function extractElements(reaction, key) { |
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reaction.elements = []; |
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elementsFromHalf(reaction.reactant, reaction.elements, key); |
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elementsFromHalf(reaction.product, reaction.elements, key); |
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} |
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function elementsFromHalf(half, reactElements, key){ |
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for (let molecule in half) { |
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let breakdown = parser.decomposeFormula(molecule); |
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if (!resources[molecule] && !elements[molecule]) { |
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resources[molecule] = {}; |
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resources[molecule].elements = breakdown; |
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resources[molecule].html = generateHTML(breakdown); |
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resources[molecule].type = ['molecule']; |
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} |
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for (let j in breakdown) { |
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// we add the elements involved in both parts |
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if (reactElements.indexOf(j) === -1) { |
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reactElements.push(j); |
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} |
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if (elements[j].includes.indexOf(molecule) === -1) { |
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elements[j].includes.push(molecule); |
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} |
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if (elements[j].reactions.indexOf(key) === -1) { |
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elements[j].reactions.push(key); |
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} |
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} |
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} |
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} |
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function generateKey(reaction) { |
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let key = ''; |
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for (let half in reaction) { |
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for (let i in reaction[half]) { |
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key += reaction[half][i] + '.'; |
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} |
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key = key.replace(/.$/, ''); |
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key += '-'; |
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} |
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key = key.replace(/-$/, ''); |
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return key; |
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} |
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function parseReaction(line) { |
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let part = line.split('->'); |
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let reaction = []; |
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for (let i in part) { |
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reaction[i] = part[i].trim().split(' ').sort(); |
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} |
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return reaction; |
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} |
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function generateHTML(breakdown){ |
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let html = ''; |
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for (let k in breakdown) { |
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html += k; |
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let number = breakdown[k]; |
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if(number > 1){ |
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html += '<sub>'+number+'</sub>'; |
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} |
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} |
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return html; |
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} |
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angarg12 /
nucleogenesis
