s3-readstream - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

dist/S3Readstream.d.ts

@@ -17,4 +17,25 @@ /// <reference types="node" />
     constructor(options: S3ReadStreamOptions, nodeReadableStreamOptions?: ReadableOptions);
+    /**
+     * Adjust size of range to grab from S3
+     *
+     * @param {number} bytes - Number of bytes to set for range
+    */
     adjustByteRange(bytes: number): void;
+    /**
+     * Moves cursor bytes length back in file
+     *
+     * If current cursor position - number of bytes to move back
+     * is <= 0, set cursor at begining of file
+     * @param {number} bytes - Number of bytes to subtract from cursor (defaults to range)
+    */
+    moveCursorBack(bytes?: number): void;
+    /**
+     * Moves cursor bytes length forward in file
+     *
+     * If current cursor position + number of bytes to move forward
+     * is > the length of the file, set cursor at end of file
+     * @param {number} bytes - Number of bytes to add to cursor (defaults to range)
+    */
+    moveCursorForward(bytes?: number): void;
     _read(): void;
 }

dist/S3Readstream.js

@@ -28,8 +28,45 @@ "use strict";
         _this._s3StreamParams = options.parameters;
-        _this._s3DataRange = options.byteRange || 1024 * 1024;
+        _this._s3DataRange = options.byteRange || 64 * 1024;
         return _this;
     }
+    /**
+     * Adjust size of range to grab from S3
+     *
+     * @param {number} bytes - Number of bytes to set for range
+    */
     S3ReadStream.prototype.adjustByteRange = function (bytes) {
         this._s3DataRange = bytes;
     };
+    /**
+     * Moves cursor bytes length back in file
+     *
+     * If current cursor position - number of bytes to move back
+     * is <= 0, set cursor at begining of file
+     * @param {number} bytes - Number of bytes to subtract from cursor (defaults to range)
+    */
+    S3ReadStream.prototype.moveCursorBack = function (bytes) {
+        if (bytes === void 0) { bytes = this._s3DataRange; }
+        if (this._currentCursorPosition - bytes > 0) {
+            this._currentCursorPosition -= bytes;
+        }
+        else {
+            this._currentCursorPosition = 0;
+        }
+    };
+    /**
+     * Moves cursor bytes length forward in file
+     *
+     * If current cursor position + number of bytes to move forward
+     * is > the length of the file, set cursor at end of file
+     * @param {number} bytes - Number of bytes to add to cursor (defaults to range)
+    */
+    S3ReadStream.prototype.moveCursorForward = function (bytes) {
+        if (bytes === void 0) { bytes = this._s3DataRange; }
+        if (this._currentCursorPosition + bytes <= this._maxContentLength) {
+            this._currentCursorPosition += bytes;
+        }
+        else {
+            this._currentCursorPosition += this._maxContentLength + 1;
+        }
+    };
     S3ReadStream.prototype._read = function () {
@@ -36,0 +73,0 @@ var _this = this;

package.json

 {
   "name": "s3-readstream",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Drop in AWS S3 replacement read stream",
@@ -5,0 +5,0 @@ "main": "dist/S3Readstream.js",

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Improved metrics

Total package byte prevSize

14921

increased by21.69%

Lines of code

226

increased by34.52%

No dependency changes