Initial Commit

node_modules/builder-util-runtime/out/ProgressCallbackTransform.js

@@ -0,0 +1,54 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ProgressCallbackTransform = void 0;
+const stream_1 = require("stream");
+class ProgressCallbackTransform extends stream_1.Transform {
+    constructor(total, cancellationToken, onProgress) {
+        super();
+        this.total = total;
+        this.cancellationToken = cancellationToken;
+        this.onProgress = onProgress;
+        this.start = Date.now();
+        this.transferred = 0;
+        this.delta = 0;
+        this.nextUpdate = this.start + 1000;
+    }
+    _transform(chunk, encoding, callback) {
+        if (this.cancellationToken.cancelled) {
+            callback(new Error("cancelled"), null);
+            return;
+        }
+        this.transferred += chunk.length;
+        this.delta += chunk.length;
+        const now = Date.now();
+        if (now >= this.nextUpdate && this.transferred !== this.total /* will be emitted on _flush */) {
+            this.nextUpdate = now + 1000;
+            this.onProgress({
+                total: this.total,
+                delta: this.delta,
+                transferred: this.transferred,
+                percent: (this.transferred / this.total) * 100,
+                bytesPerSecond: Math.round(this.transferred / ((now - this.start) / 1000)),
+            });
+            this.delta = 0;
+        }
+        callback(null, chunk);
+    }
+    _flush(callback) {
+        if (this.cancellationToken.cancelled) {
+            callback(new Error("cancelled"));
+            return;
+        }
+        this.onProgress({
+            total: this.total,
+            delta: this.delta,
+            transferred: this.total,
+            percent: 100,
+            bytesPerSecond: Math.round(this.transferred / ((Date.now() - this.start) / 1000)),
+        });
+        this.delta = 0;
+        callback(null);
+    }
+}
+exports.ProgressCallbackTransform = ProgressCallbackTransform;
+//# sourceMappingURL=ProgressCallbackTransform.js.map