129 lines
No EOL
3.1 KiB
JavaScript
129 lines
No EOL
3.1 KiB
JavaScript
export class Command {
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/**
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* @param {String} name
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* @param {Function} execute
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*/
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constructor(name, execute) {
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this.name = name;
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this.execute = execute;
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this.aliases = [];
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}
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addAlias(alias) {
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this.aliases.push(alias);
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}
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static find(name) {
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let matchCommand = null;
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this.COMMANDS.forEach((command) => {
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if (command.name === name) {
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matchCommand = command;
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return;
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}
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});
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return matchCommand;
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}
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static COMMANDS = [
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new Command("echo", (args) => {
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return args.join(" ");
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}),
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new Command("clear", (args, { pushHistory }) => {
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pushHistory({
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clear: true,
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isInput: false
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});
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return { blank: true };
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}),
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new Command("ls", (args, { currentDirectory }) => {
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let directory = currentDirectory;
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if (args.length > 0) {
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directory = currentDirectory.navigate(args[0]);
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}
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if (!directory)
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return `ls: Cannot access '${args[0]}': No such file or directory`;
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const folderNames = directory.subFolders.map((folder) => folder.id);
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const fileNames = directory.files.map((file) => file.id);
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const contents = folderNames.concat(fileNames);
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if (contents.length === 0)
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return { blank: true };
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return contents.sort((nameA, nameB) => nameA.localeCompare(nameB)).join(" ");
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}),
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new Command("cd", (args, { currentDirectory, setCurrentDirectory }) => {
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const path = args[0] ?? "~";
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const destination = currentDirectory.navigate(path);
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if (!destination)
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return `cd: ${args[0]}: No such file or directory`;
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console.log(destination);
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setCurrentDirectory(destination);
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return { blank: true };
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}),
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new Command("dir", (args, { currentDirectory }) => {
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const folderNames = currentDirectory.subFolders.map((folder) => folder.id);
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if (folderNames.length === 0)
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return { blank: true };
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return folderNames.sort((nameA, nameB) => nameA.localeCompare(nameB)).join(" ");
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}),
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new Command("pwd", (args, { currentDirectory }) => {
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if (currentDirectory.root) {
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return "/";
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} else {
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return currentDirectory.absolutePath;
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}
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}),
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new Command("touch", (args, { currentDirectory }) => {
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const [name, extension] = args[0].split(".");
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if (currentDirectory.findFile(name, extension))
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return { blank: true };
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currentDirectory.createFile(name, extension);
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return { blank: true };
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}),
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new Command("mkdir", (args, { currentDirectory }) => {
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const name = args[0];
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if (currentDirectory.findSubFolder(name))
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return { blank: true };
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currentDirectory.createFolder(name);
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return { blank: true };
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}),
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new Command("rm", (args, { currentDirectory }) => {
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const [name, extension] = args[0].split(".");
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const file = currentDirectory.findFile(name, extension);
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if (!file)
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return `rm: ${args[0]}: No such file`;
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file.delete();
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return { blank: true };
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}),
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new Command("rmdir", (args, { currentDirectory }) => {
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const name = args[0];
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const folder = currentDirectory.findSubFolder(name);
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if (!folder)
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return `rm: ${args[0]}: No such directory`;
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folder.delete();
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return { blank: true };
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}),
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new Command("hostname", (args, { hostname }) => {
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return hostname;
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}),
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]
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} |