open-nomad/ui/app/utils/path-tree.js

99 lines
2.7 KiB
JavaScript

// @ts-check
// eslint-disable-next-line no-unused-vars
import VariableModel from '../models/variable';
// eslint-disable-next-line no-unused-vars
import MutableArray from '@ember/array/mutable';
import { trimPath } from '../helpers/trim-path';
//#region Types
/**
* @typedef {Object} VariableFile
* @property {string} path - the folder path containing our "file", relative to parent
* @property {string} name - the variable "file" name
* @property {string} absoluteFilePath - the folder path containing our "file", absolute
* @property {VariableModel} variable - the variable itself
*/
/**
* @typedef {Object} VariableFolder
* @property {Array<VariableFile>} files
* @property {NestedPathTreeNode} children
* @property {string} absolutePath - the folder path containing our "file", absolute
*/
/**
* @typedef {Object.<string, VariableFolder>} NestedPathTreeNode
*/
//#endregion Types
/**
* @returns {NestedPathTreeNode}
*/
export default class PathTree {
/**
* @param {MutableArray<VariableModel>} variables
*/
constructor(variables) {
this.variables = variables;
this.paths = this.generatePaths(variables);
}
/**
* @type {VariableFolder}
*/
root = { children: {}, files: [], absolutePath: '' };
/**
* Takes our variables array and creates a tree of paths
* @param {MutableArray<VariableModel>} variables
* @returns {NestedPathTreeNode}
*/
generatePaths = (variables) => {
variables.forEach((variable) => {
const path = trimPath([variable.path]).split('/');
path.reduce((acc, segment, index, arr) => {
if (index === arr.length - 1) {
// If it's a file (end of the segment array)
acc.files.push({
name: segment,
absoluteFilePath: path.join('/'),
path: arr.slice(0, index + 1).join('/'),
variable,
});
} else {
// Otherwise, it's a folder
if (!acc.children[segment]) {
acc.children[segment] = {
children: {},
files: [],
absolutePath: trimPath([`${acc.absolutePath || ''}/${segment}`]),
};
}
}
return acc.children[segment];
}, this.root);
});
return { root: this.root };
};
/**
* Search for the named absolutePath within our tree using recursion
* @param {string} name
* @param {Object} root
*/
findPath = (name, root = this.paths.root) => {
if (root.absolutePath === name) {
return root;
}
if (root.children) {
return Object.keys(root.children).reduce((acc, cur) => {
if (!acc) {
return this.findPath(name, root.children[cur]);
}
return acc;
}, null);
}
};
}