From 8bcfc03d71cbd2cfd7ab68035ec0968d9f93b5b8 Mon Sep 17 00:00:00 2001
From: Kitson Kelly <me@kitsonkelly.com>
Date: Thu, 23 Apr 2020 00:06:51 +1000
Subject: Rewrite streams (#4842)

---
 cli/js/web/streams/queue.ts | 58 ---------------------------------------------
 1 file changed, 58 deletions(-)
 delete mode 100644 cli/js/web/streams/queue.ts

(limited to 'cli/js/web/streams/queue.ts')

diff --git a/cli/js/web/streams/queue.ts b/cli/js/web/streams/queue.ts
deleted file mode 100644
index 16e3eafe4..000000000
--- a/cli/js/web/streams/queue.ts
+++ /dev/null
@@ -1,58 +0,0 @@
-// Forked from https://github.com/stardazed/sd-streams/tree/8928cf04b035fd02fb1340b7eb541c76be37e546
-// Copyright (c) 2018-Present by Arthur Langereis - @zenmumbler MIT
-
-const CHUNK_SIZE = 16384;
-
-export interface Queue<T> {
-  push(t: T): void;
-  shift(): T | undefined;
-  front(): T | undefined;
-  readonly length: number;
-}
-
-export class QueueImpl<T> implements Queue<T> {
-  private readonly chunks_: T[][];
-  private readChunk_: T[];
-  private writeChunk_: T[];
-  private length_: number;
-
-  constructor() {
-    this.chunks_ = [[]];
-    this.readChunk_ = this.writeChunk_ = this.chunks_[0];
-    this.length_ = 0;
-  }
-
-  push(t: T): void {
-    this.writeChunk_.push(t);
-    this.length_ += 1;
-    if (this.writeChunk_.length === CHUNK_SIZE) {
-      this.writeChunk_ = [];
-      this.chunks_.push(this.writeChunk_);
-    }
-  }
-
-  front(): T | undefined {
-    if (this.length_ === 0) {
-      return undefined;
-    }
-    return this.readChunk_[0];
-  }
-
-  shift(): T | undefined {
-    if (this.length_ === 0) {
-      return undefined;
-    }
-    const t = this.readChunk_.shift();
-
-    this.length_ -= 1;
-    if (this.readChunk_.length === 0 && this.readChunk_ !== this.writeChunk_) {
-      this.chunks_.shift();
-      this.readChunk_ = this.chunks_[0];
-    }
-    return t;
-  }
-
-  get length(): number {
-    return this.length_;
-  }
-}
-- 
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