1 files changed, 0 insertions, 178 deletions
diff --git a/js/blob.ts b/js/blob.ts
deleted file mode 100644
index 50ab7f374..000000000
--- a/js/blob.ts
+++ /dev/null
@@ -1,178 +0,0 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-import * as domTypes from "./dom_types.ts";
-import { containsOnlyASCII, hasOwnProperty } from "./util.ts";
-import { TextEncoder } from "./text_encoding.ts";
-import { build } from "./build.ts";
-
-export const bytesSymbol = Symbol("bytes");
-
-function convertLineEndingsToNative(s: string): string {
-  const nativeLineEnd = build.os == "win" ? "\r\n" : "\n";
-
-  let position = 0;
-
-  let collectionResult = collectSequenceNotCRLF(s, position);
-
-  let token = collectionResult.collected;
-  position = collectionResult.newPosition;
-
-  let result = token;
-
-  while (position < s.length) {
-    const c = s.charAt(position);
-    if (c == "\r") {
-      result += nativeLineEnd;
-      position++;
-      if (position < s.length && s.charAt(position) == "\n") {
-        position++;
-      }
-    } else if (c == "\n") {
-      position++;
-      result += nativeLineEnd;
-    }
-
-    collectionResult = collectSequenceNotCRLF(s, position);
-
-    token = collectionResult.collected;
-    position = collectionResult.newPosition;
-
-    result += token;
-  }
-
-  return result;
-}
-
-function collectSequenceNotCRLF(
-  s: string,
-  position: number
-): { collected: string; newPosition: number } {
-  const start = position;
-  for (
-    let c = s.charAt(position);
-    position < s.length && !(c == "\r" || c == "\n");
-    c = s.charAt(++position)
-  );
-  return { collected: s.slice(start, position), newPosition: position };
-}
-
-function toUint8Arrays(
-  blobParts: domTypes.BlobPart[],
-  doNormalizeLineEndingsToNative: boolean
-): Uint8Array[] {
-  const ret: Uint8Array[] = [];
-  const enc = new TextEncoder();
-  for (const element of blobParts) {
-    if (typeof element === "string") {
-      let str = element;
-      if (doNormalizeLineEndingsToNative) {
-        str = convertLineEndingsToNative(element);
-      }
-      ret.push(enc.encode(str));
-      // eslint-disable-next-line @typescript-eslint/no-use-before-define
-    } else if (element instanceof DenoBlob) {
-      ret.push(element[bytesSymbol]);
-    } else if (element instanceof Uint8Array) {
-      ret.push(element);
-    } else if (element instanceof Uint16Array) {
-      const uint8 = new Uint8Array(element.buffer);
-      ret.push(uint8);
-    } else if (element instanceof Uint32Array) {
-      const uint8 = new Uint8Array(element.buffer);
-      ret.push(uint8);
-    } else if (ArrayBuffer.isView(element)) {
-      // Convert view to Uint8Array.
-      const uint8 = new Uint8Array(element.buffer);
-      ret.push(uint8);
-    } else if (element instanceof ArrayBuffer) {
-      // Create a new Uint8Array view for the given ArrayBuffer.
-      const uint8 = new Uint8Array(element);
-      ret.push(uint8);
-    } else {
-      ret.push(enc.encode(String(element)));
-    }
-  }
-  return ret;
-}
-
-function processBlobParts(
-  blobParts: domTypes.BlobPart[],
-  options: domTypes.BlobPropertyBag
-): Uint8Array {
-  const normalizeLineEndingsToNative = options.ending === "native";
-  // ArrayBuffer.transfer is not yet implemented in V8, so we just have to
-  // pre compute size of the array buffer and do some sort of static allocation
-  // instead of dynamic allocation.
-  const uint8Arrays = toUint8Arrays(blobParts, normalizeLineEndingsToNative);
-  const byteLength = uint8Arrays
-    .map((u8): number => u8.byteLength)
-    .reduce((a, b): number => a + b, 0);
-  const ab = new ArrayBuffer(byteLength);
-  const bytes = new Uint8Array(ab);
-
-  let courser = 0;
-  for (const u8 of uint8Arrays) {
-    bytes.set(u8, courser);
-    courser += u8.byteLength;
-  }
-
-  return bytes;
-}
-
-// A WeakMap holding blob to byte array mapping.
-// Ensures it does not impact garbage collection.
-export const blobBytesWeakMap = new WeakMap<domTypes.Blob, Uint8Array>();
-
-export class DenoBlob implements domTypes.Blob {
-  private readonly [bytesSymbol]: Uint8Array;
-  readonly size: number = 0;
-  readonly type: string = "";
-
-  /** A blob object represents a file-like object of immutable, raw data. */
-  constructor(
-    blobParts?: domTypes.BlobPart[],
-    options?: domTypes.BlobPropertyBag
-  ) {
-    if (arguments.length === 0) {
-      this[bytesSymbol] = new Uint8Array();
-      return;
-    }
-
-    options = options || {};
-    // Set ending property's default value to "transparent".
-    if (!hasOwnProperty(options, "ending")) {
-      options.ending = "transparent";
-    }
-
-    if (options.type && !containsOnlyASCII(options.type)) {
-      const errMsg = "The 'type' property must consist of ASCII characters.";
-      throw new SyntaxError(errMsg);
-    }
-
-    const bytes = processBlobParts(blobParts!, options);
-    // Normalize options.type.
-    let type = options.type ? options.type : "";
-    if (type.length) {
-      for (let i = 0; i < type.length; ++i) {
-        const char = type[i];
-        if (char < "\u0020" || char > "\u007E") {
-          type = "";
-          break;
-        }
-      }
-      type = type.toLowerCase();
-    }
-    // Set Blob object's properties.
-    this[bytesSymbol] = bytes;
-    this.size = bytes.byteLength;
-    this.type = type;
-
-    // Register bytes for internal private use.
-    blobBytesWeakMap.set(this, bytes);
-  }
-
-  slice(start?: number, end?: number, contentType?: string): DenoBlob {
-    return new DenoBlob([this[bytesSymbol].slice(start, end)], {
-      type: contentType || this.type
-    });
-  }
-}