refactor: require Node.js 16.9.0 or above

BREAKING CHANGES: require Node.js 16.9.0 or above

This allows us to remove code for `BareError#cause`
which is now natively supported by `Error`.

Author: Conaclos

CHANGELOG.md

@@ -15,6 +15,10 @@ New entries must be placed in a section entitled `Unreleased`.
     Previously, `writeUintSafe` and `writeIntSafe` might output a non-canonical encoding for numbers that were too large.
     It now robustly handles invalid input numbers that are too large.
 
+-   BREAKING CHANGES: require Node.js 16.9.0 or above.
+
+    This allows us to remove code for `BareError#cause` which is now natively supported by `Error`.
+
 ## 0.6.1 (2026-01-05)
 
 -   Fix `writeUintSafe32` that wrongly encoded numbers larger than 16383 (`2e14 - 1`)

package.json

@@ -21,7 +21,7 @@
     "url": "https://github.com/bare-ts/lib/issues"
   },
   "engines": {
-    "node": "^14.18.0 || >=16.0.0"
+    "node": "^>=16.9.0"
   },
   "type": "module",
   "exports": {

src/core/bare-error.ts

@@ -7,16 +7,16 @@
 export class BareError extends Error {
     override name = "BareError"
 
-    readonly cause: unknown
-
     readonly issue: string
 
+    /**
+     * Byte offset in the read buffer where the error occurred.
+     */
     readonly offset: number
 
-    constructor(offset: number, issue: string, opts?: { cause: unknown }) {
-        super(`(byte:${offset}) ${issue}`)
+    constructor(offset: number, issue: string, options?: ErrorOptions) {
+        super(`(byte:${offset}) ${issue}`, options)
         this.issue = issue
         this.offset = offset
-        this.cause = opts?.cause
     }
 }

tsconfig-base.json

@@ -2,10 +2,10 @@
   "$schema": "https://json.schemastore.org/tsconfig",
   "compilerOptions": {
     "lib": [
-      "ES2020"
+      "ES2022"
     ],
     "module": "Node16",
-    "target": "ES2020",
+    "target": "ES2022",
     "types": [],
 
     "noEmit": true,