feat: compress tool zlib has be changed to lz4

packages/utils/src/common/algorithm.ts

@@ -25,16 +25,20 @@ export function mergeIntervals(intervals: [number, number][]) {
 }
 
 export function compressText(input: string): string {
-  // LZ4 can only work on Buffers
-  const data = Buffer.from(input);
-  const output = lz4.encode(data);
+  const inputBuffer = Buffer.from(input);
+  let output = Buffer.alloc(lz4.encodeBound(input.length));
+  const compressedSize = lz4.encodeBlock(inputBuffer, output);
+  // remove unnecessary bytes
+  output = output.slice(0, compressedSize);
   return output.toString('base64');
 }
 
 export function decompressText(input: string): string {
-  const inputB = Buffer.from(input, 'utf8');
-  const uncompressed = lz4.decode(inputB);
-  return uncompressed.toString('utf-8');
+  let uncompressedBlock = Buffer.alloc(input.length * 10);
+  const inputBuffer = Buffer.from(input, 'base64');
+  const uncompressedSize = lz4.decodeBlock(inputBuffer, uncompressedBlock);
+  uncompressedBlock = uncompressedBlock.slice(0, uncompressedSize);
+  return uncompressedBlock.toString('utf-8');
 }
 
 export function random(min: number, max: number) {