fix the chunk boundary (`node:stream:createReadStream`) (#3853)

* fix the slice boundary.
Close: #3668

* Add more boundary test case.

* fix end is 0.

2 files changed, 8 insertions, 8 deletions

diff --git a/src/js/node/fs.js b/src/js/node/fs.js
index aa03ffc5c..d287809c6 100644
--- a/src/js/node/fs.js
+++ b/src/js/node/fs.js
@@ -540,15 +540,15 @@ ReadStream = (function (InternalReadStream) {
             chunk = chunk.slice(-n);
             var [_, ...rest] = arguments;
             this.pos = this.bytesRead;
-            if (this.end && this.bytesRead >= this.end) {
-              chunk = chunk.slice(0, this.end - this.start);
+            if (this.end !== undefined && this.bytesRead > this.end) {
+              chunk = chunk.slice(0, this.end - this.start + 1);
             }
             return super.push(chunk, ...rest);
           }
           var end = this.end;
           // This is multi-chunk read case where we go passed the end of the what we want to read in the last chunk
-          if (end && this.bytesRead >= end) {
-            chunk = chunk.slice(0, end - currPos);
+          if (end !== undefined && this.bytesRead > end) {
+            chunk = chunk.slice(0, end - currPos + 1);
             var [_, ...rest] = arguments;
             this.pos = this.bytesRead;
             return super.push(chunk, ...rest);
diff --git a/src/js/out/modules/node/fs.js b/src/js/out/modules/node/fs.js
index 720d03134..7bb354dea 100644
--- a/src/js/out/modules/node/fs.js
+++ b/src/js/out/modules/node/fs.js
@@ -310,13 +310,13 @@ ReadStream = function(InternalReadStream) {
           var n = this.bytesRead - currPos;
           chunk = chunk.slice(-n);
           var [_, ...rest] = arguments;
-          if (this.pos = this.bytesRead, this.end && this.bytesRead >= this.end)
-            chunk = chunk.slice(0, this.end - this.start);
+          if (this.pos = this.bytesRead, this.end !== void 0 && this.bytesRead > this.end)
+            chunk = chunk.slice(0, this.end - this.start + 1);
           return super.push(chunk, ...rest);
         }
         var end = this.end;
-        if (end && this.bytesRead >= end) {
-          chunk = chunk.slice(0, end - currPos);
+        if (end !== void 0 && this.bytesRead > end) {
+          chunk = chunk.slice(0, end - currPos + 1);
           var [_, ...rest] = arguments;
           return this.pos = this.bytesRead, super.push(chunk, ...rest);
         }