Made reader methods less repetitive

JackRKelly · Dec 20, 2020 · 59d1538 · 59d1538
1 parent 9e5b805
commit 59d1538
Showing 1 changed file with 21 additions and 25 deletions.
diff --git a/src/reader.ts b/src/reader.ts
@@ -19,51 +19,47 @@ export class Reader {
  offset: number;
 
  read2Bytes(): number {
+ let read: number;
  if (this.endian === Endian.Little) {
- let read = this.buffer.readUInt16LE(this.offset);
- this.offset += 2;
- return read;
+ read = this.buffer.readUInt16LE(this.offset);
  } else {
- let read = this.buffer.readUInt16BE(this.offset);
- this.offset += 2;
- return read;
+ read = this.buffer.readUInt16BE(this.offset);
  }
+ this.offset += 2;
+ return read;
  }
 
  read4Bytes(): number {
+ let read: number;
  if (this.endian === Endian.Little) {
- let read = this.buffer.readUInt32LE(this.offset);
- this.offset += 4;
- return read;
+ read = this.buffer.readUInt32LE(this.offset);
  } else {
- let read = this.buffer.readUInt32BE(this.offset);
- this.offset += 4;
- return read;
+ read = this.buffer.readUInt32BE(this.offset);
  }
+ this.offset += 4;
+ return read;
  }
 
  read8Bytes(): BigInt {
+ let read: BigInt;
  if (this.endian === Endian.Little) {
- let read = this.buffer.readBigUInt64LE(this.offset);
- this.offset += 8;
- return read;
+ read = this.buffer.readBigUInt64LE(this.offset);
  } else {
- let read = this.buffer.readBigUInt64LE(this.offset);
- this.offset += 8;
- return read;
+ read = this.buffer.readBigUInt64LE(this.offset);
  }
+ this.offset += 8;
+ return read;
  }
 
- sliceNBytes(n: number) {
+ sliceNBytes(n: number): Buffer {
+ let read: Buffer;
  if (this.endian === Endian.Little) {
- let read = this.buffer.slice(this.offset, this.offset + n);
- this.offset += n;
- return read;
+ read = this.buffer.slice(this.offset, this.offset + n);
  } else {
- let read = this.buffer.slice(this.offset, this.offset + n);
- this.offset += n;
- return read;
+ read = this.buffer.slice(this.offset, this.offset + n);
  }
+ this.offset += n;
+ return read;
  }
 
  findHeader(header: string): number {