Delete AddLineNumbers.mjs

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Macide Celik 2019-10-27 23:33:01 +03:00 committed by GitHub
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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
/**
* Add line numbers operation
*/
class AddLineNumbers extends Operation {
/**
* AddLineNumbers constructor
*/
constructor() {
super();
this.name = "Add line numbers";
this.module = "Default";
this.description = "Adds line numbers to the output.";
this.inputType = "string";
this.outputType = "string";
this.args = [];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const lines = input.split("\n"),
width = lines.length.toString().length;
let output = "";
for (let n = 0; n < lines.length; n++) {
output += (n+1).toString().padStart(width, " ") + " " + lines[n] + "\n";
}
return output.slice(0, output.length-1);
}
}
export default AddLineNumbers;