31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
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import { printSyntax, commandList } from "./definitions";
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//const commandList = ["about", "navigate", "external", "help", "ed", "nano"];
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export function commandCompletion(input: string): string[] {
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if (input === "") return [];
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const candidates = commandList.filter(cmd => cmd.name.substring(0, input.length) === input).map(cmd => cmd.name);
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return candidates;
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}
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export function executeCommand(command: string): string[] {
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if (!command) return [`$ ${command}`].concat(illegalCommand(command));
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const args = command.split(" ");
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const cmd = commandList.find(cmd => cmd.name === args[0]);
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if (!cmd) return [`$ ${command}`].concat(illegalCommand(command));
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const parsed = seperateFlags(args.splice(1));
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const result = parsed.flags.includes("--help") ? printSyntax(cmd) : cmd.execute(parsed.flags, parsed.subcmds, command);
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return [`$ ${command}`].concat(result);
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}
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function seperateFlags(args: string[]): {flags: string[], subcmds: string[]} {
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const flags = args.filter(arg => arg.substring(0,1) === "-");
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const subcmds = args.filter(arg => arg.substring(0,1) !== "-");
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return {flags, subcmds};
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}
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function illegalCommand(command: string): string[] {
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return [`Command '${command}' not found.`, "Type 'help' for help."];
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}
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