pkg: add lint-types and tsconfig to the project.

.github/workflows/build.yml

@@ -16,14 +16,17 @@ jobs:
         node-version: 20.x
 
     - name: Install tools
-      run: npm install --location=global bslint
+      run: npm install --location=global bslint typescript
 
     - name: Install dependencies
       run: npm install
 
     - name: Lint
       run: npm run lint
 
+    - name: Lint types
+      run: npm run lint-types
+
   test:
     name: Test
     runs-on: ubuntu-latest

lib/encoding.js

@@ -29,9 +29,14 @@ const BIG_ENDIAN = F328_ARRAY[3] === 0;
 
 // eslint-disable-next-line
 const BI = typeof BigInt === 'function' ? BigInt : (function(x) { return 0; });
+
+// @ts-ignore
 const BIG_U56_MAX = (BI(1) << BI(56)) - BI(1);
+// @ts-ignore
 const BIG_U64_MAX = (BI(1) << BI(64)) - BI(1);
+// @ts-ignore
 const BIG_U128_MAX = (BI(1) << BI(128)) - BI(1);
+// @ts-ignore
 const BIG_U256_MAX = (BI(1) << BI(256)) - BI(1);
 
 /*

lib/reader.js

@@ -22,6 +22,9 @@ const EMPTY = Buffer.alloc(0);
  */
 
 class BufferReader {
+  /** @type {Buffer} */
+  data;
+
   /**
    * Create a buffer reader.
    * @constructor
@@ -53,7 +56,7 @@ class BufferReader {
 
   /**
    * Get total size of passed-in Buffer.
-   * @returns {Buffer}
+   * @returns {Number}
    */
 
   getSize() {
@@ -115,7 +118,7 @@ class BufferReader {
   /**
    * Stop reading. Pop the start position off the stack
    * and return the data read.
-   * @param {Bolean?} zeroCopy - Do a fast buffer
+   * @param {Boolean} [zeroCopy=false] Do a fast buffer
    * slice instead of allocating a new buffer (warning:
    * may cause memory leaks if not used with care).
    * @returns {Buffer} Data read.
@@ -880,7 +883,7 @@ class BufferReader {
   /**
    * Read N bytes (will do a fast slice if zero copy).
    * @param {Number} size
-   * @param {Bolean?} zeroCopy - Do a fast buffer
+   * @param {Boolean?} [zeroCopy = false] - Do a fast buffer
    * slice instead of allocating a new buffer (warning:
    * may cause memory leaks if not used with care).
    * @returns {Buffer}
@@ -908,7 +911,7 @@ class BufferReader {
 
   /**
    * Read a varint number of bytes (will do a fast slice if zero copy).
-   * @param {Bolean?} zeroCopy - Do a fast buffer
+   * @param {Boolean} [zeroCopy=false] - Do a fast buffer
    * slice instead of allocating a new buffer (warning:
    * may cause memory leaks if not used with care).
    * @returns {Buffer}
@@ -930,6 +933,7 @@ class BufferReader {
     this.check(size);
 
     const data = this.data.slice(0, this.offset + size);
+    // @ts-ignore
     const br = new this.constructor(data);
 
     br.offset = this.offset;
@@ -942,7 +946,7 @@ class BufferReader {
   /**
    * Read a string.
    * @param {Number} size
-   * @param {String} enc - Any buffer-supported encoding.
+   * @param {BufferEncoding} enc - Any buffer-supported encoding.
    * @returns {String}
    */
 
@@ -964,8 +968,8 @@ class BufferReader {
 
   /**
    * Read a 32-byte hash.
-   * @param {String} enc - `"hex"` or `null`.
-   * @returns {Hash|Buffer}
+   * @param {BufferEncoding} enc - `"hex"` or `null`.
+   * @returns {Buffer|String}
    */
 
   readHash(enc) {
@@ -976,7 +980,7 @@ class BufferReader {
 
   /**
    * Read string of a varint length.
-   * @param {String} enc - Any buffer-supported encoding.
+   * @param {BufferEncoding} enc - Any buffer-supported encoding.
    * @param {Number?} limit - Size limit.
    * @returns {String}
    */
@@ -998,7 +1002,7 @@ class BufferReader {
 
   /**
    * Read a null-terminated string.
-   * @param {String} enc - Any buffer-supported encoding.
+   * @param {BufferEncoding} enc - Any buffer-supported encoding.
    * @returns {String}
    */
 
@@ -1027,7 +1031,7 @@ class BufferReader {
 
   /**
    * Create a checksum from the last start position.
-   * @param {Function} hash
+   * @param {Function|Object} hash
    * @returns {Number} Checksum.
    */