update typescript to latest

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: cmdcolin

CHANGELOG.md

@@ -1,7 +1,5 @@
 # [7.0.0](https://github.com/GMOD/vcf-js/compare/v6.1.2...v7.0.0) (2026-01-18)
 
-
-
 ## [6.1.2](https://github.com/GMOD/vcf-js/compare/v6.1.1...v6.1.2) (2026-01-18)
 
 # [6.1.0](https://github.com/GMOD/vcf-js/compare/v6.0.9...v6.1.0) (2025-11-26)

eslint.config.mjs

@@ -57,11 +57,14 @@ export default defineConfig(
         },
       ],
 
-      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/ban-ts-comment': [
+        'error',
+        { 'ts-expect-error': 'allow-with-description', 'ts-ignore': true },
+      ],
       '@typescript-eslint/no-this-alias': 'off',
       '@typescript-eslint/no-unsafe-member-access': 'off',
       '@typescript-eslint/no-unsafe-argument': 'off',
-      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-explicit-any': 'warn',
       '@typescript-eslint/no-unsafe-assignment': 'off',
       '@typescript-eslint/no-unsafe-call': 'off',
       '@typescript-eslint/no-unsafe-return': 'off',

package.json

@@ -50,22 +50,22 @@
     "postversion": "git push --follow-tags"
   },
   "devDependencies": {
-    "@babel/core": "^7.20.5",
-    "@eslint/js": "^9.7.0",
-    "@types/node": "^24.10.1",
-    "@typescript-eslint/eslint-plugin": "^8.48.0",
-    "@typescript-eslint/parser": "^8.48.0",
-    "@vitest/coverage-v8": "^4.0.14",
+    "@babel/core": "^7.29.0",
+    "@eslint/js": "^10.0.1",
+    "@types/node": "^25.5.0",
+    "@typescript-eslint/eslint-plugin": "^8.57.2",
+    "@typescript-eslint/parser": "^8.57.2",
+    "@vitest/coverage-v8": "^4.1.1",
     "documentation": "^14.0.1",
     "eslint": "^9.7.0",
     "eslint-plugin-import": "^2.32.0",
-    "eslint-plugin-unicorn": "^62.0.0",
-    "prettier": "^3.2.4",
-    "rimraf": "^6.0.1",
+    "eslint-plugin-unicorn": "^63.0.0",
+    "prettier": "^3.8.1",
+    "rimraf": "^6.1.3",
     "standard-changelog": "^7.0.1",
-    "typescript": "^5.3.3",
-    "typescript-eslint": "^8.48.0",
-    "vitest": "^4.0.14"
+    "typescript": "^6.0.2",
+    "typescript-eslint": "^8.57.2",
+    "vitest": "^4.1.1"
   },
   "keywords": [
     "vcf",

src/parse.ts

@@ -95,7 +95,7 @@ export default class VCFParser {
         this.metadata[r] = {}
       }
       const [id, keyVals] = this.parseStructuredMetaVal(metaVal)
-      if (id) {
+      if (typeof id === 'string') {
         // if there is an ID field in the <> metadata
         // e.g. ##INFO=<ID=AF_ESP,...>
         ;(this.metadata[r] as Record<string, unknown>)[id] = keyVals
@@ -119,8 +119,9 @@ export default class VCFParser {
    * and 2) an object with the other key-value pairs in the metadata
    */
   private parseStructuredMetaVal(metaVal: string) {
-    const keyVals = parseMetaString(metaVal)
-    const id = keyVals.ID!
+    const keyVals: Record<string, string | string[] | number> =
+      parseMetaString(metaVal)
+    const id = keyVals.ID
     delete keyVals.ID
     if ('Number' in keyVals) {
       if (!Number.isNaN(Number(keyVals.Number))) {
@@ -140,10 +141,13 @@ export default class VCFParser {
    * @returns {any} An object, string, or number, depending on the filtering
    */
   getMetadata(...args: string[]) {
-    let filteredMetadata: any = this.metadata
+    let filteredMetadata: unknown = this.metadata
     const argsLen = args.length
     for (let i = 0; i < argsLen; i++) {
-      filteredMetadata = filteredMetadata[args[i]!]
+      if (typeof filteredMetadata !== 'object' || filteredMetadata === null) {
+        return undefined
+      }
+      filteredMetadata = (filteredMetadata as Record<string, unknown>)[args[i]!]
       if (!filteredMetadata) {
         return filteredMetadata
       }

src/parseMetaString.ts

@@ -41,13 +41,13 @@ function customSplit(str: string) {
 
 function splitFirst(str: string, split: string) {
   const index = str.indexOf(split)
-  return [str.slice(0, index), str.slice(index + 1)]
+  return [str.slice(0, index), str.slice(index + 1)] as const
 }
 
 export function parseMetaString(metaString: string) {
   const inside = metaString.slice(1, -1)
   const parts = customSplit(inside)
-  const entries: [string, any][] = []
+  const entries: [string, string | string[]][] = []
   for (let i = 0; i < parts.length; i++) {
     const f = parts[i]!
     const [key, val] = splitFirst(f, '=')
@@ -56,11 +56,11 @@ export function parseMetaString(metaString: string) {
       for (let j = 0; j < items.length; j++) {
         items[j] = items[j]!.trim()
       }
-      entries.push([key!, items])
+      entries.push([key, items])
     } else if (val && val.startsWith('"') && val.endsWith('"')) {
-      entries.push([key!, val.slice(1, -1)])
+      entries.push([key, val.slice(1, -1)])
     } else {
-      entries.push([key!, val])
+      entries.push([key, val])
     }
   }
   return Object.fromEntries(entries)

src/processGenotypes.ts

@@ -2,7 +2,11 @@
  * Callback type for processGenotypes - receives the raw string and
  * start/end indices to avoid string allocation
  */
-export type GenotypeCallback = (str: string, start: number, end: number) => any
+export type GenotypeCallback = (
+  str: string,
+  start: number,
+  end: number,
+) => unknown
 
 /**
  * Process genotypes by calling a callback for each one, avoiding intermediate

test/index.test.ts

@@ -1,6 +1,8 @@
 import { describe, expect, it } from 'vitest'
 
-import { Breakend, parseBreakend } from '../src'
+import { parseBreakend } from '../src'
+
+import type { Breakend } from '../src'
 
 describe('testBreakend', () => {
   it('can parse breakends', () => {

tsconfig.json

@@ -3,9 +3,9 @@
   "compilerOptions": {
     "outDir": "dist",
     "lib": ["dom", "esnext"],
-    "skipLibCheck": true,
     "declaration": true,
-    "moduleResolution": "node",
+    "moduleResolution": "nodenext",
+    "module": "nodenext",
     "sourceMap": true,
     "strict": true,
     "noImplicitReturns": true,