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Node CSV to JSON
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| // dependencies | |
| // > yarn add csvtojson | |
| // Usage: | |
| // > node csv-to-json.js input.csv output.json | |
| const fs = require('fs') | |
| const path = require('path') | |
| const csv = require('csvtojson') | |
| const csvFile = path.resolve(process.argv[2]) | |
| const jsonFile = path.resolve(process.argv[3]) | |
| const output = [] | |
| // do transformations and add to output array | |
| function loadRow(row) { | |
| output.push(row) | |
| } | |
| // write to file | |
| function writeJson(err) { | |
| if (err) { throw err } | |
| const content = JSON.stringify(output, null, 2) | |
| fs.writeFile(jsonFile, content, 'utf8', function (err) { | |
| if (err) { throw err } | |
| console.log(`Json file saved to ${jsonFile}`) | |
| }) | |
| } | |
| // execute | |
| csv() | |
| .fromFile(csvFile) | |
| .on('json', loadRow) | |
| .on('done', writeJson) |
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