First upload version 0.0.1

node_modules/ipull/dist/download/download-engine/engine/utils/concurrency.d.ts

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+export declare function concurrency<Value>(array: Value[], concurrencyCount: number, callback: (value: Value) => Promise<void>): Promise<void>;

node_modules/ipull/dist/download/download-engine/engine/utils/concurrency.js

@@ -0,0 +1,22 @@
+export function concurrency(array, concurrencyCount, callback) {
+    return new Promise((resolve, reject) => {
+        let index = 0;
+        let activeCount = 0;
+        function next() {
+            if (index === array.length && activeCount === 0) {
+                resolve();
+                return;
+            }
+            while (activeCount < concurrencyCount && index < array.length) {
+                activeCount++;
+                callback(array[index++])
+                    .then(() => {
+                    activeCount--;
+                    next();
+                }, reject);
+            }
+        }
+        next();
+    });
+}
+//# sourceMappingURL=concurrency.js.map

node_modules/ipull/dist/download/download-engine/engine/utils/concurrency.js.map

@@ -0,0 +1 @@
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