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- /**
- * @author sw5678
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
- import Operation from "../Operation.mjs";
- import Utils from "../Utils.mjs";
- import {INPUT_DELIM_OPTIONS} from "../lib/Delim.mjs";
- /**
- * Unique operation
- */
- class FileTree extends Operation {
- /**
- * Unique constructor
- */
- constructor() {
- super();
- this.name = "File Tree";
- this.module = "Default";
- this.description = "Creates file tree from list of file paths (similar to the tree command in Linux)";
- this.inputType = "string";
- this.outputType = "string";
- this.args = [
- {
- name: "File Path Delimiter",
- type: "binaryString",
- value: "/"
- },
- {
- name: "Delimiter",
- type: "option",
- value: INPUT_DELIM_OPTIONS
- }
- ];
- }
- /**
- * @param {string} input
- * @param {Object[]} args
- * @returns {string}
- */
- run(input, args) {
- // Set up arrow and pipe for nice output display
- const ARROW = "|---";
- const PIPE = "| ";
- // Get args from input
- const fileDelim = args[0];
- const entryDelim = Utils.charRep(args[1]);
- // Store path to print
- const completedList = [];
- const printList = [];
- // Loop through all entries
- const filePaths = input.split(entryDelim).unique().sort();
- for (let i = 0; i < filePaths.length; i++) {
- // Split by file delimiter
- let path = filePaths[i].split(fileDelim);
- if (path[0] === "") {
- path = path.slice(1, path.length);
- }
- for (let j = 0; j < path.length; j++) {
- let printLine;
- let key;
- if (j === 0) {
- printLine = path[j];
- key = path[j];
- } else {
- printLine = PIPE.repeat(j-1) + ARROW + path[j];
- key = path.slice(0, j+1).join("/");
- }
- // Check to see we have already added that path
- if (!completedList.includes(key)) {
- completedList.push(key);
- printList.push(printLine);
- }
- }
- }
- return printList.join("\n");
- }
- }
- export default FileTree;
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