init

Author: nin0-dev

.prettierrc.json

@@ -0,0 +1,6 @@
+{
+	"tabWidth": 4,
+	"useTabs": true,
+	"semi": true,
+	"trailingComma": "none"
+}

.vscode/settings.json

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+{
+	"deno.enable": true
+}

src/main.ts

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+export function parseArgs(
+	command: string,
+	options: {
+		positionalArgumentName?: string;
+		prefix: string;
+	}
+) {
+	const initialRegex = new RegExp(
+		`^${options.prefix}([\-_a-zA-Z0-9]{1,32})(?: (.+))?$`
+	);
+	const argRegex =
+		/(?:--([a-zA-Z0-9\-_]+)(?:(?:=| )(?:((?!-)[^ \"'\n]+)|["'](.*?)["']))?|-([a-zA-Z0-9\-_])(?: (?:((?!-)[^ \"'\n]+)|["'](.*?)["']))?)/g;
+
+	const [_fullCmd, commandName, argsString] = command.match(initialRegex)!;
+
+	const args: {
+		[name: string]: string | boolean;
+	} = {};
+	if (argsString) {
+		const argsMatch = argsString.matchAll(argRegex);
+		let workingArgsString = argsString;
+		for (const arg of argsMatch) {
+			workingArgsString = workingArgsString.replace(arg[0], "");
+			const foundValues = [];
+			for (const lookAt of [1, 2, 3, 4, 5, 6]) {
+				if (arg[lookAt]) foundValues.push(arg[lookAt]);
+				if (foundValues.length === 2) break;
+			}
+
+			Object.assign(
+				args,
+				Object.fromEntries([
+					[
+						foundValues[0],
+						foundValues.length === 1 ? true : foundValues[1]
+					]
+				])
+			);
+		}
+		options.positionalArgumentName &&
+			workingArgsString.trim() &&
+			Object.assign(
+				args,
+				Object.fromEntries([
+					[options.positionalArgumentName, workingArgsString.trim()]
+				])
+			);
+	}
+
+	return { commandName, args };
+}

src/test.ts

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+import { parseArgs } from "./main.ts";
+
+const testString = `!ban --fakeUser nin0`;
+
+console.log(
+	parseArgs(testString, {
+		positionalArgumentName: "user",
+		prefix: "!"
+	})
+);