perf: remove semver as dependency

package.json

@@ -41,11 +41,7 @@
 	"lint-staged": {
 		"*": "prettier --ignore-unknown --write"
 	},
-	"dependencies": {
-		"semver": "^7.3.8"
-	},
 	"devDependencies": {
-		"@types/semver": "^7.3.13",
 		"@typescript-eslint/eslint-plugin": "^5.48.2",
 		"@typescript-eslint/parser": "^5.48.2",
 		"@typescript/vfs": "^1.4.0",

src/nodes/typeGuards/union.ts

@@ -1,6 +1,6 @@
-import * as semver from "semver";
 import * as ts from "typescript";
 
+import { isTsVersionAtLeast } from "../../utils.js";
 import {
 	isJSDocNamespaceDeclaration,
 	isJsxTagNamePropertyAccess,
@@ -72,7 +72,7 @@ export function isBindingOrAssignmentElementRestIndicator(
 		return true;
 	}
 
-	if (semver.satisfies(ts.version, ">=4.4")) {
+	if (isTsVersionAtLeast(4, 4)) {
 		return ts.isDotDotDotToken(node);
 	}
 
@@ -308,7 +308,7 @@ export function isHasJSDoc(node: ts.Node): node is ts.HasJSDoc {
 		return true;
 	}
 
-	if (semver.satisfies(ts.version, ">=4.4")) {
+	if (isTsVersionAtLeast(4, 4)) {
 		return ts.isClassStaticBlockDeclaration(node);
 	}
 
@@ -381,7 +381,7 @@ export function isJSDocComment(node: ts.Node): node is ts.JSDocComment {
 		return true;
 	}
 
-	if (semver.satisfies(ts.version, ">=4.4")) {
+	if (isTsVersionAtLeast(4, 4)) {
 		return (
 			ts.isJSDocLink(node) ||
 			ts.isJSDocLinkCode(node) ||

src/syntax.test.ts

@@ -1,4 +1,3 @@
-import * as semver from "semver";
 import * as ts from "typescript";
 import { describe, expect, it } from "vitest";
 
@@ -7,8 +6,9 @@ import {
 	isNumericPropertyName,
 	isValidPropertyAccess,
 } from "./syntax.js";
+import { isTsVersionAtLeast } from "./utils.js";
 
-const isTS4dot4 = semver.satisfies(ts.version, ">=4.4");
+const isTS4dot4 = isTsVersionAtLeast(4, 4);
 
 describe("isAssignmentKind", () => {
 	const tests: [boolean, ts.SyntaxKind][] = [

src/tokens.ts

@@ -3,9 +3,10 @@
 // Original license MIT:
 // /~https://github.com/ajafff/tsutils/blob/26b195358ec36d59f00333115aa3ffd9611ca78b/LICENSE
 
-import * as semver from "semver";
 import * as ts from "typescript";
 
+import { isTsVersionAtLeast } from "./utils.js";
+
 export type ForEachTokenCallback = (token: ts.Node) => void;
 
 /**
@@ -19,7 +20,7 @@ export function forEachToken(
 	callback: ForEachTokenCallback,
 	sourceFile: ts.SourceFile = node.getSourceFile()
 ): void {
-	const isTS4dot3 = semver.satisfies(ts.version, ">=4.3");
+	const isTS4dot3 = isTsVersionAtLeast(4, 3);
 
 	const queue = [];
 	while (true) {

src/utils.ts

@@ -0,0 +1,9 @@
+import * as ts from "typescript";
+
+const [tsMajor, tsMinor] = ts.versionMajorMinor
+	.split(".")
+	.map((raw) => Number.parseInt(raw, 10));
+
+export function isTsVersionAtLeast(major: number, minor = 0): boolean {
+	return major > tsMajor || (major === tsMajor && minor >= tsMinor);
+}