improved viewers

build_vtk_bundle/node_modules/@msgpack/msgpack/src/CachedKeyDecoder.ts

@@ -0,0 +1,76 @@
+import { utf8DecodeJs } from "./utils/utf8";
+
+const DEFAULT_MAX_KEY_LENGTH = 16;
+const DEFAULT_MAX_LENGTH_PER_KEY = 16;
+
+export interface KeyDecoder {
+  canBeCached(byteLength: number): boolean;
+  decode(bytes: Uint8Array, inputOffset: number, byteLength: number): string;
+}
+interface KeyCacheRecord {
+  readonly bytes: Uint8Array;
+  readonly str: string;
+}
+
+export class CachedKeyDecoder implements KeyDecoder {
+  hit = 0;
+  miss = 0;
+  private readonly caches: Array<Array<KeyCacheRecord>>;
+
+  constructor(readonly maxKeyLength = DEFAULT_MAX_KEY_LENGTH, readonly maxLengthPerKey = DEFAULT_MAX_LENGTH_PER_KEY) {
+    // avoid `new Array(N)`, which makes a sparse array,
+    // because a sparse array is typically slower than a non-sparse array.
+    this.caches = [];
+    for (let i = 0; i < this.maxKeyLength; i++) {
+      this.caches.push([]);
+    }
+  }
+
+  public canBeCached(byteLength: number): boolean {
+    return byteLength > 0 && byteLength <= this.maxKeyLength;
+  }
+
+  private find(bytes: Uint8Array, inputOffset: number, byteLength: number): string | null {
+    const records = this.caches[byteLength - 1]!;
+
+    FIND_CHUNK: for (const record of records) {
+      const recordBytes = record.bytes;
+
+      for (let j = 0; j < byteLength; j++) {
+        if (recordBytes[j] !== bytes[inputOffset + j]) {
+          continue FIND_CHUNK;
+        }
+      }
+      return record.str;
+    }
+    return null;
+  }
+
+  private store(bytes: Uint8Array, value: string) {
+    const records = this.caches[bytes.length - 1]!;
+    const record: KeyCacheRecord = { bytes, str: value };
+
+    if (records.length >= this.maxLengthPerKey) {
+      // `records` are full!
+      // Set `record` to an arbitrary position.
+      records[(Math.random() * records.length) | 0] = record;
+    } else {
+      records.push(record);
+    }
+  }
+
+  public decode(bytes: Uint8Array, inputOffset: number, byteLength: number): string {
+    const cachedValue = this.find(bytes, inputOffset, byteLength);
+    if (cachedValue != null) {
+      this.hit++;
+      return cachedValue;
+    }
+    this.miss++;
+
+    const str = utf8DecodeJs(bytes, inputOffset, byteLength);
+    // Ensure to copy a slice of bytes because the byte may be NodeJS Buffer and Buffer#slice() returns a reference to its internal ArrayBuffer.
+    const slicedCopyOfBytes = Uint8Array.prototype.slice.call(bytes, inputOffset, inputOffset + byteLength);
+    this.store(slicedCopyOfBytes, str);
+    return str;
+  }
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/DecodeError.ts

@@ -0,0 +1,15 @@
+export class DecodeError extends Error {
+  constructor(message: string) {
+    super(message);
+
+    // fix the prototype chain in a cross-platform way
+    const proto: typeof DecodeError.prototype = Object.create(DecodeError.prototype);
+    Object.setPrototypeOf(this, proto);
+
+    Object.defineProperty(this, "name", {
+      configurable: true,
+      enumerable: false,
+      value: DecodeError.name,
+    });
+  }
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/Decoder.ts

@@ -0,0 +1,627 @@
+import { prettyByte } from "./utils/prettyByte";
+import { ExtensionCodec, ExtensionCodecType } from "./ExtensionCodec";
+import { getInt64, getUint64, UINT32_MAX } from "./utils/int";
+import { utf8DecodeJs, TEXT_DECODER_THRESHOLD, utf8DecodeTD } from "./utils/utf8";
+import { createDataView, ensureUint8Array } from "./utils/typedArrays";
+import { CachedKeyDecoder, KeyDecoder } from "./CachedKeyDecoder";
+import { DecodeError } from "./DecodeError";
+
+const enum State {
+  ARRAY,
+  MAP_KEY,
+  MAP_VALUE,
+}
+
+type MapKeyType = string | number;
+
+const isValidMapKeyType = (key: unknown): key is MapKeyType => {
+  const keyType = typeof key;
+
+  return keyType === "string" || keyType === "number";
+};
+
+type StackMapState = {
+  type: State.MAP_KEY | State.MAP_VALUE;
+  size: number;
+  key: MapKeyType | null;
+  readCount: number;
+  map: Record<string, unknown>;
+};
+
+type StackArrayState = {
+  type: State.ARRAY;
+  size: number;
+  array: Array<unknown>;
+  position: number;
+};
+
+type StackState = StackArrayState | StackMapState;
+
+const HEAD_BYTE_REQUIRED = -1;
+
+const EMPTY_VIEW = new DataView(new ArrayBuffer(0));
+const EMPTY_BYTES = new Uint8Array(EMPTY_VIEW.buffer);
+
+// IE11: Hack to support IE11.
+// IE11: Drop this hack and just use RangeError when IE11 is obsolete.
+export const DataViewIndexOutOfBoundsError: typeof Error = (() => {
+  try {
+    // IE11: The spec says it should throw RangeError,
+    // IE11: but in IE11 it throws TypeError.
+    EMPTY_VIEW.getInt8(0);
+  } catch (e: any) {
+    return e.constructor;
+  }
+  throw new Error("never reached");
+})();
+
+const MORE_DATA = new DataViewIndexOutOfBoundsError("Insufficient data");
+
+const sharedCachedKeyDecoder = new CachedKeyDecoder();
+
+export class Decoder<ContextType = undefined> {
+  private totalPos = 0;
+  private pos = 0;
+
+  private view = EMPTY_VIEW;
+  private bytes = EMPTY_BYTES;
+  private headByte = HEAD_BYTE_REQUIRED;
+  private readonly stack: Array<StackState> = [];
+
+  public constructor(
+    private readonly extensionCodec: ExtensionCodecType<ContextType> = ExtensionCodec.defaultCodec as any,
+    private readonly context: ContextType = undefined as any,
+    private readonly maxStrLength = UINT32_MAX,
+    private readonly maxBinLength = UINT32_MAX,
+    private readonly maxArrayLength = UINT32_MAX,
+    private readonly maxMapLength = UINT32_MAX,
+    private readonly maxExtLength = UINT32_MAX,
+    private readonly keyDecoder: KeyDecoder | null = sharedCachedKeyDecoder,
+  ) {}
+
+  private reinitializeState() {
+    this.totalPos = 0;
+    this.headByte = HEAD_BYTE_REQUIRED;
+    this.stack.length = 0;
+
+    // view, bytes, and pos will be re-initialized in setBuffer()
+  }
+
+  private setBuffer(buffer: ArrayLike<number> | BufferSource): void {
+    this.bytes = ensureUint8Array(buffer);
+    this.view = createDataView(this.bytes);
+    this.pos = 0;
+  }
+
+  private appendBuffer(buffer: ArrayLike<number> | BufferSource) {
+    if (this.headByte === HEAD_BYTE_REQUIRED && !this.hasRemaining(1)) {
+      this.setBuffer(buffer);
+    } else {
+      const remainingData = this.bytes.subarray(this.pos);
+      const newData = ensureUint8Array(buffer);
+
+      // concat remainingData + newData
+      const newBuffer = new Uint8Array(remainingData.length + newData.length);
+      newBuffer.set(remainingData);
+      newBuffer.set(newData, remainingData.length);
+      this.setBuffer(newBuffer);
+    }
+  }
+
+  private hasRemaining(size: number) {
+    return this.view.byteLength - this.pos >= size;
+  }
+
+  private createExtraByteError(posToShow: number): Error {
+    const { view, pos } = this;
+    return new RangeError(`Extra ${view.byteLength - pos} of ${view.byteLength} byte(s) found at buffer[${posToShow}]`);
+  }
+
+  /**
+   * @throws {@link DecodeError}
+   * @throws {@link RangeError}
+   */
+  public decode(buffer: ArrayLike<number> | BufferSource): unknown {
+    this.reinitializeState();
+    this.setBuffer(buffer);
+
+    const object = this.doDecodeSync();
+    if (this.hasRemaining(1)) {
+      throw this.createExtraByteError(this.pos);
+    }
+    return object;
+  }
+
+  public *decodeMulti(buffer: ArrayLike<number> | BufferSource): Generator<unknown, void, unknown> {
+    this.reinitializeState();
+    this.setBuffer(buffer);
+
+    while (this.hasRemaining(1)) {
+      yield this.doDecodeSync();
+    }
+  }
+
+  public async decodeAsync(stream: AsyncIterable<ArrayLike<number> | BufferSource>): Promise<unknown> {
+    let decoded = false;
+    let object: unknown;
+    for await (const buffer of stream) {
+      if (decoded) {
+        throw this.createExtraByteError(this.totalPos);
+      }
+
+      this.appendBuffer(buffer);
+
+      try {
+        object = this.doDecodeSync();
+        decoded = true;
+      } catch (e) {
+        if (!(e instanceof DataViewIndexOutOfBoundsError)) {
+          throw e; // rethrow
+        }
+        // fallthrough
+      }
+      this.totalPos += this.pos;
+    }
+
+    if (decoded) {
+      if (this.hasRemaining(1)) {
+        throw this.createExtraByteError(this.totalPos);
+      }
+      return object;
+    }
+
+    const { headByte, pos, totalPos } = this;
+    throw new RangeError(
+      `Insufficient data in parsing ${prettyByte(headByte)} at ${totalPos} (${pos} in the current buffer)`,
+    );
+  }
+
+  public decodeArrayStream(
+    stream: AsyncIterable<ArrayLike<number> | BufferSource>,
+  ): AsyncGenerator<unknown, void, unknown> {
+    return this.decodeMultiAsync(stream, true);
+  }
+
+  public decodeStream(stream: AsyncIterable<ArrayLike<number> | BufferSource>): AsyncGenerator<unknown, void, unknown> {
+    return this.decodeMultiAsync(stream, false);
+  }
+
+  private async *decodeMultiAsync(stream: AsyncIterable<ArrayLike<number> | BufferSource>, isArray: boolean) {
+    let isArrayHeaderRequired = isArray;
+    let arrayItemsLeft = -1;
+
+    for await (const buffer of stream) {
+      if (isArray && arrayItemsLeft === 0) {
+        throw this.createExtraByteError(this.totalPos);
+      }
+
+      this.appendBuffer(buffer);
+
+      if (isArrayHeaderRequired) {
+        arrayItemsLeft = this.readArraySize();
+        isArrayHeaderRequired = false;
+        this.complete();
+      }
+
+      try {
+        while (true) {
+          yield this.doDecodeSync();
+          if (--arrayItemsLeft === 0) {
+            break;
+          }
+        }
+      } catch (e) {
+        if (!(e instanceof DataViewIndexOutOfBoundsError)) {
+          throw e; // rethrow
+        }
+        // fallthrough
+      }
+      this.totalPos += this.pos;
+    }
+  }
+
+  private doDecodeSync(): unknown {
+    DECODE: while (true) {
+      const headByte = this.readHeadByte();
+      let object: unknown;
+
+      if (headByte >= 0xe0) {
+        // negative fixint (111x xxxx) 0xe0 - 0xff
+        object = headByte - 0x100;
+      } else if (headByte < 0xc0) {
+        if (headByte < 0x80) {
+          // positive fixint (0xxx xxxx) 0x00 - 0x7f
+          object = headByte;
+        } else if (headByte < 0x90) {
+          // fixmap (1000 xxxx) 0x80 - 0x8f
+          const size = headByte - 0x80;
+          if (size !== 0) {
+            this.pushMapState(size);
+            this.complete();
+            continue DECODE;
+          } else {
+            object = {};
+          }
+        } else if (headByte < 0xa0) {
+          // fixarray (1001 xxxx) 0x90 - 0x9f
+          const size = headByte - 0x90;
+          if (size !== 0) {
+            this.pushArrayState(size);
+            this.complete();
+            continue DECODE;
+          } else {
+            object = [];
+          }
+        } else {
+          // fixstr (101x xxxx) 0xa0 - 0xbf
+          const byteLength = headByte - 0xa0;
+          object = this.decodeUtf8String(byteLength, 0);
+        }
+      } else if (headByte === 0xc0) {
+        // nil
+        object = null;
+      } else if (headByte === 0xc2) {
+        // false
+        object = false;
+      } else if (headByte === 0xc3) {
+        // true
+        object = true;
+      } else if (headByte === 0xca) {
+        // float 32
+        object = this.readF32();
+      } else if (headByte === 0xcb) {
+        // float 64
+        object = this.readF64();
+      } else if (headByte === 0xcc) {
+        // uint 8
+        object = this.readU8();
+      } else if (headByte === 0xcd) {
+        // uint 16
+        object = this.readU16();
+      } else if (headByte === 0xce) {
+        // uint 32
+        object = this.readU32();
+      } else if (headByte === 0xcf) {
+        // uint 64
+        object = this.readU64();
+      } else if (headByte === 0xd0) {
+        // int 8
+        object = this.readI8();
+      } else if (headByte === 0xd1) {
+        // int 16
+        object = this.readI16();
+      } else if (headByte === 0xd2) {
+        // int 32
+        object = this.readI32();
+      } else if (headByte === 0xd3) {
+        // int 64
+        object = this.readI64();
+      } else if (headByte === 0xd9) {
+        // str 8
+        const byteLength = this.lookU8();
+        object = this.decodeUtf8String(byteLength, 1);
+      } else if (headByte === 0xda) {
+        // str 16
+        const byteLength = this.lookU16();
+        object = this.decodeUtf8String(byteLength, 2);
+      } else if (headByte === 0xdb) {
+        // str 32
+        const byteLength = this.lookU32();
+        object = this.decodeUtf8String(byteLength, 4);
+      } else if (headByte === 0xdc) {
+        // array 16
+        const size = this.readU16();
+        if (size !== 0) {
+          this.pushArrayState(size);
+          this.complete();
+          continue DECODE;
+        } else {
+          object = [];
+        }
+      } else if (headByte === 0xdd) {
+        // array 32
+        const size = this.readU32();
+        if (size !== 0) {
+          this.pushArrayState(size);
+          this.complete();
+          continue DECODE;
+        } else {
+          object = [];
+        }
+      } else if (headByte === 0xde) {
+        // map 16
+        const size = this.readU16();
+        if (size !== 0) {
+          this.pushMapState(size);
+          this.complete();
+          continue DECODE;
+        } else {
+          object = {};
+        }
+      } else if (headByte === 0xdf) {
+        // map 32
+        const size = this.readU32();
+        if (size !== 0) {
+          this.pushMapState(size);
+          this.complete();
+          continue DECODE;
+        } else {
+          object = {};
+        }
+      } else if (headByte === 0xc4) {
+        // bin 8
+        const size = this.lookU8();
+        object = this.decodeBinary(size, 1);
+      } else if (headByte === 0xc5) {
+        // bin 16
+        const size = this.lookU16();
+        object = this.decodeBinary(size, 2);
+      } else if (headByte === 0xc6) {
+        // bin 32
+        const size = this.lookU32();
+        object = this.decodeBinary(size, 4);
+      } else if (headByte === 0xd4) {
+        // fixext 1
+        object = this.decodeExtension(1, 0);
+      } else if (headByte === 0xd5) {
+        // fixext 2
+        object = this.decodeExtension(2, 0);
+      } else if (headByte === 0xd6) {
+        // fixext 4
+        object = this.decodeExtension(4, 0);
+      } else if (headByte === 0xd7) {
+        // fixext 8
+        object = this.decodeExtension(8, 0);
+      } else if (headByte === 0xd8) {
+        // fixext 16
+        object = this.decodeExtension(16, 0);
+      } else if (headByte === 0xc7) {
+        // ext 8
+        const size = this.lookU8();
+        object = this.decodeExtension(size, 1);
+      } else if (headByte === 0xc8) {
+        // ext 16
+        const size = this.lookU16();
+        object = this.decodeExtension(size, 2);
+      } else if (headByte === 0xc9) {
+        // ext 32
+        const size = this.lookU32();
+        object = this.decodeExtension(size, 4);
+      } else {
+        throw new DecodeError(`Unrecognized type byte: ${prettyByte(headByte)}`);
+      }
+
+      this.complete();
+
+      const stack = this.stack;
+      while (stack.length > 0) {
+        // arrays and maps
+        const state = stack[stack.length - 1]!;
+        if (state.type === State.ARRAY) {
+          state.array[state.position] = object;
+          state.position++;
+          if (state.position === state.size) {
+            stack.pop();
+            object = state.array;
+          } else {
+            continue DECODE;
+          }
+        } else if (state.type === State.MAP_KEY) {
+          if (!isValidMapKeyType(object)) {
+            throw new DecodeError("The type of key must be string or number but " + typeof object);
+          }
+          if (object === "__proto__") {
+            throw new DecodeError("The key __proto__ is not allowed");
+          }
+
+          state.key = object;
+          state.type = State.MAP_VALUE;
+          continue DECODE;
+        } else {
+          // it must be `state.type === State.MAP_VALUE` here
+
+          state.map[state.key!] = object;
+          state.readCount++;
+
+          if (state.readCount === state.size) {
+            stack.pop();
+            object = state.map;
+          } else {
+            state.key = null;
+            state.type = State.MAP_KEY;
+            continue DECODE;
+          }
+        }
+      }
+
+      return object;
+    }
+  }
+
+  private readHeadByte(): number {
+    if (this.headByte === HEAD_BYTE_REQUIRED) {
+      this.headByte = this.readU8();
+      // console.log("headByte", prettyByte(this.headByte));
+    }
+
+    return this.headByte;
+  }
+
+  private complete(): void {
+    this.headByte = HEAD_BYTE_REQUIRED;
+  }
+
+  private readArraySize(): number {
+    const headByte = this.readHeadByte();
+
+    switch (headByte) {
+      case 0xdc:
+        return this.readU16();
+      case 0xdd:
+        return this.readU32();
+      default: {
+        if (headByte < 0xa0) {
+          return headByte - 0x90;
+        } else {
+          throw new DecodeError(`Unrecognized array type byte: ${prettyByte(headByte)}`);
+        }
+      }
+    }
+  }
+
+  private pushMapState(size: number) {
+    if (size > this.maxMapLength) {
+      throw new DecodeError(`Max length exceeded: map length (${size}) > maxMapLengthLength (${this.maxMapLength})`);
+    }
+
+    this.stack.push({
+      type: State.MAP_KEY,
+      size,
+      key: null,
+      readCount: 0,
+      map: {},
+    });
+  }
+
+  private pushArrayState(size: number) {
+    if (size > this.maxArrayLength) {
+      throw new DecodeError(`Max length exceeded: array length (${size}) > maxArrayLength (${this.maxArrayLength})`);
+    }
+
+    this.stack.push({
+      type: State.ARRAY,
+      size,
+      array: new Array<unknown>(size),
+      position: 0,
+    });
+  }
+
+  private decodeUtf8String(byteLength: number, headerOffset: number): string {
+    if (byteLength > this.maxStrLength) {
+      throw new DecodeError(
+        `Max length exceeded: UTF-8 byte length (${byteLength}) > maxStrLength (${this.maxStrLength})`,
+      );
+    }
+
+    if (this.bytes.byteLength < this.pos + headerOffset + byteLength) {
+      throw MORE_DATA;
+    }
+
+    const offset = this.pos + headerOffset;
+    let object: string;
+    if (this.stateIsMapKey() && this.keyDecoder?.canBeCached(byteLength)) {
+      object = this.keyDecoder.decode(this.bytes, offset, byteLength);
+    } else if (byteLength > TEXT_DECODER_THRESHOLD) {
+      object = utf8DecodeTD(this.bytes, offset, byteLength);
+    } else {
+      object = utf8DecodeJs(this.bytes, offset, byteLength);
+    }
+    this.pos += headerOffset + byteLength;
+    return object;
+  }
+
+  private stateIsMapKey(): boolean {
+    if (this.stack.length > 0) {
+      const state = this.stack[this.stack.length - 1]!;
+      return state.type === State.MAP_KEY;
+    }
+    return false;
+  }
+
+  private decodeBinary(byteLength: number, headOffset: number): Uint8Array {
+    if (byteLength > this.maxBinLength) {
+      throw new DecodeError(`Max length exceeded: bin length (${byteLength}) > maxBinLength (${this.maxBinLength})`);
+    }
+
+    if (!this.hasRemaining(byteLength + headOffset)) {
+      throw MORE_DATA;
+    }
+
+    const offset = this.pos + headOffset;
+    const object = this.bytes.subarray(offset, offset + byteLength);
+    this.pos += headOffset + byteLength;
+    return object;
+  }
+
+  private decodeExtension(size: number, headOffset: number): unknown {
+    if (size > this.maxExtLength) {
+      throw new DecodeError(`Max length exceeded: ext length (${size}) > maxExtLength (${this.maxExtLength})`);
+    }
+
+    const extType = this.view.getInt8(this.pos + headOffset);
+    const data = this.decodeBinary(size, headOffset + 1 /* extType */);
+    return this.extensionCodec.decode(data, extType, this.context);
+  }
+
+  private lookU8() {
+    return this.view.getUint8(this.pos);
+  }
+
+  private lookU16() {
+    return this.view.getUint16(this.pos);
+  }
+
+  private lookU32() {
+    return this.view.getUint32(this.pos);
+  }
+
+  private readU8(): number {
+    const value = this.view.getUint8(this.pos);
+    this.pos++;
+    return value;
+  }
+
+  private readI8(): number {
+    const value = this.view.getInt8(this.pos);
+    this.pos++;
+    return value;
+  }
+
+  private readU16(): number {
+    const value = this.view.getUint16(this.pos);
+    this.pos += 2;
+    return value;
+  }
+
+  private readI16(): number {
+    const value = this.view.getInt16(this.pos);
+    this.pos += 2;
+    return value;
+  }
+
+  private readU32(): number {
+    const value = this.view.getUint32(this.pos);
+    this.pos += 4;
+    return value;
+  }
+
+  private readI32(): number {
+    const value = this.view.getInt32(this.pos);
+    this.pos += 4;
+    return value;
+  }
+
+  private readU64(): number {
+    const value = getUint64(this.view, this.pos);
+    this.pos += 8;
+    return value;
+  }
+
+  private readI64(): number {
+    const value = getInt64(this.view, this.pos);
+    this.pos += 8;
+    return value;
+  }
+
+  private readF32() {
+    const value = this.view.getFloat32(this.pos);
+    this.pos += 4;
+    return value;
+  }
+
+  private readF64() {
+    const value = this.view.getFloat64(this.pos);
+    this.pos += 8;
+    return value;
+  }
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/Encoder.ts

@@ -0,0 +1,412 @@
+import { utf8EncodeJs, utf8Count, TEXT_ENCODER_THRESHOLD, utf8EncodeTE } from "./utils/utf8";
+import { ExtensionCodec, ExtensionCodecType } from "./ExtensionCodec";
+import { setInt64, setUint64 } from "./utils/int";
+import { ensureUint8Array } from "./utils/typedArrays";
+import type { ExtData } from "./ExtData";
+
+export const DEFAULT_MAX_DEPTH = 100;
+export const DEFAULT_INITIAL_BUFFER_SIZE = 2048;
+
+export class Encoder<ContextType = undefined> {
+  private pos = 0;
+  private view = new DataView(new ArrayBuffer(this.initialBufferSize));
+  private bytes = new Uint8Array(this.view.buffer);
+
+  public constructor(
+    private readonly extensionCodec: ExtensionCodecType<ContextType> = ExtensionCodec.defaultCodec as any,
+    private readonly context: ContextType = undefined as any,
+    private readonly maxDepth = DEFAULT_MAX_DEPTH,
+    private readonly initialBufferSize = DEFAULT_INITIAL_BUFFER_SIZE,
+    private readonly sortKeys = false,
+    private readonly forceFloat32 = false,
+    private readonly ignoreUndefined = false,
+    private readonly forceIntegerToFloat = false,
+  ) {}
+
+  private reinitializeState() {
+    this.pos = 0;
+  }
+
+  /**
+   * This is almost equivalent to {@link Encoder#encode}, but it returns an reference of the encoder's internal buffer and thus much faster than {@link Encoder#encode}.
+   *
+   * @returns Encodes the object and returns a shared reference the encoder's internal buffer.
+   */
+  public encodeSharedRef(object: unknown): Uint8Array {
+    this.reinitializeState();
+    this.doEncode(object, 1);
+    return this.bytes.subarray(0, this.pos);
+  }
+
+  /**
+   * @returns Encodes the object and returns a copy of the encoder's internal buffer.
+   */
+  public encode(object: unknown): Uint8Array {
+    this.reinitializeState();
+    this.doEncode(object, 1);
+    return this.bytes.slice(0, this.pos);
+  }
+
+  private doEncode(object: unknown, depth: number): void {
+    if (depth > this.maxDepth) {
+      throw new Error(`Too deep objects in depth ${depth}`);
+    }
+
+    if (object == null) {
+      this.encodeNil();
+    } else if (typeof object === "boolean") {
+      this.encodeBoolean(object);
+    } else if (typeof object === "number") {
+      this.encodeNumber(object);
+    } else if (typeof object === "string") {
+      this.encodeString(object);
+    } else {
+      this.encodeObject(object, depth);
+    }
+  }
+
+  private ensureBufferSizeToWrite(sizeToWrite: number) {
+    const requiredSize = this.pos + sizeToWrite;
+
+    if (this.view.byteLength < requiredSize) {
+      this.resizeBuffer(requiredSize * 2);
+    }
+  }
+
+  private resizeBuffer(newSize: number) {
+    const newBuffer = new ArrayBuffer(newSize);
+    const newBytes = new Uint8Array(newBuffer);
+    const newView = new DataView(newBuffer);
+
+    newBytes.set(this.bytes);
+
+    this.view = newView;
+    this.bytes = newBytes;
+  }
+
+  private encodeNil() {
+    this.writeU8(0xc0);
+  }
+
+  private encodeBoolean(object: boolean) {
+    if (object === false) {
+      this.writeU8(0xc2);
+    } else {
+      this.writeU8(0xc3);
+    }
+  }
+  private encodeNumber(object: number) {
+    if (Number.isSafeInteger(object) && !this.forceIntegerToFloat) {
+      if (object >= 0) {
+        if (object < 0x80) {
+          // positive fixint
+          this.writeU8(object);
+        } else if (object < 0x100) {
+          // uint 8
+          this.writeU8(0xcc);
+          this.writeU8(object);
+        } else if (object < 0x10000) {
+          // uint 16
+          this.writeU8(0xcd);
+          this.writeU16(object);
+        } else if (object < 0x100000000) {
+          // uint 32
+          this.writeU8(0xce);
+          this.writeU32(object);
+        } else {
+          // uint 64
+          this.writeU8(0xcf);
+          this.writeU64(object);
+        }
+      } else {
+        if (object >= -0x20) {
+          // negative fixint
+          this.writeU8(0xe0 | (object + 0x20));
+        } else if (object >= -0x80) {
+          // int 8
+          this.writeU8(0xd0);
+          this.writeI8(object);
+        } else if (object >= -0x8000) {
+          // int 16
+          this.writeU8(0xd1);
+          this.writeI16(object);
+        } else if (object >= -0x80000000) {
+          // int 32
+          this.writeU8(0xd2);
+          this.writeI32(object);
+        } else {
+          // int 64
+          this.writeU8(0xd3);
+          this.writeI64(object);
+        }
+      }
+    } else {
+      // non-integer numbers
+      if (this.forceFloat32) {
+        // float 32
+        this.writeU8(0xca);
+        this.writeF32(object);
+      } else {
+        // float 64
+        this.writeU8(0xcb);
+        this.writeF64(object);
+      }
+    }
+  }
+
+  private writeStringHeader(byteLength: number) {
+    if (byteLength < 32) {
+      // fixstr
+      this.writeU8(0xa0 + byteLength);
+    } else if (byteLength < 0x100) {
+      // str 8
+      this.writeU8(0xd9);
+      this.writeU8(byteLength);
+    } else if (byteLength < 0x10000) {
+      // str 16
+      this.writeU8(0xda);
+      this.writeU16(byteLength);
+    } else if (byteLength < 0x100000000) {
+      // str 32
+      this.writeU8(0xdb);
+      this.writeU32(byteLength);
+    } else {
+      throw new Error(`Too long string: ${byteLength} bytes in UTF-8`);
+    }
+  }
+
+  private encodeString(object: string) {
+    const maxHeaderSize = 1 + 4;
+    const strLength = object.length;
+
+    if (strLength > TEXT_ENCODER_THRESHOLD) {
+      const byteLength = utf8Count(object);
+      this.ensureBufferSizeToWrite(maxHeaderSize + byteLength);
+      this.writeStringHeader(byteLength);
+      utf8EncodeTE(object, this.bytes, this.pos);
+      this.pos += byteLength;
+    } else {
+      const byteLength = utf8Count(object);
+      this.ensureBufferSizeToWrite(maxHeaderSize + byteLength);
+      this.writeStringHeader(byteLength);
+      utf8EncodeJs(object, this.bytes, this.pos);
+      this.pos += byteLength;
+    }
+  }
+
+  private encodeObject(object: unknown, depth: number) {
+    // try to encode objects with custom codec first of non-primitives
+    const ext = this.extensionCodec.tryToEncode(object, this.context);
+    if (ext != null) {
+      this.encodeExtension(ext);
+    } else if (Array.isArray(object)) {
+      this.encodeArray(object, depth);
+    } else if (ArrayBuffer.isView(object)) {
+      this.encodeBinary(object);
+    } else if (typeof object === "object") {
+      this.encodeMap(object as Record<string, unknown>, depth);
+    } else {
+      // symbol, function and other special object come here unless extensionCodec handles them.
+      throw new Error(`Unrecognized object: ${Object.prototype.toString.apply(object)}`);
+    }
+  }
+
+  private encodeBinary(object: ArrayBufferView) {
+    const size = object.byteLength;
+    if (size < 0x100) {
+      // bin 8
+      this.writeU8(0xc4);
+      this.writeU8(size);
+    } else if (size < 0x10000) {
+      // bin 16
+      this.writeU8(0xc5);
+      this.writeU16(size);
+    } else if (size < 0x100000000) {
+      // bin 32
+      this.writeU8(0xc6);
+      this.writeU32(size);
+    } else {
+      throw new Error(`Too large binary: ${size}`);
+    }
+    const bytes = ensureUint8Array(object);
+    this.writeU8a(bytes);
+  }
+
+  private encodeArray(object: Array<unknown>, depth: number) {
+    const size = object.length;
+    if (size < 16) {
+      // fixarray
+      this.writeU8(0x90 + size);
+    } else if (size < 0x10000) {
+      // array 16
+      this.writeU8(0xdc);
+      this.writeU16(size);
+    } else if (size < 0x100000000) {
+      // array 32
+      this.writeU8(0xdd);
+      this.writeU32(size);
+    } else {
+      throw new Error(`Too large array: ${size}`);
+    }
+    for (const item of object) {
+      this.doEncode(item, depth + 1);
+    }
+  }
+
+  private countWithoutUndefined(object: Record<string, unknown>, keys: ReadonlyArray<string>): number {
+    let count = 0;
+
+    for (const key of keys) {
+      if (object[key] !== undefined) {
+        count++;
+      }
+    }
+
+    return count;
+  }
+
+  private encodeMap(object: Record<string, unknown>, depth: number) {
+    const keys = Object.keys(object);
+    if (this.sortKeys) {
+      keys.sort();
+    }
+
+    const size = this.ignoreUndefined ? this.countWithoutUndefined(object, keys) : keys.length;
+
+    if (size < 16) {
+      // fixmap
+      this.writeU8(0x80 + size);
+    } else if (size < 0x10000) {
+      // map 16
+      this.writeU8(0xde);
+      this.writeU16(size);
+    } else if (size < 0x100000000) {
+      // map 32
+      this.writeU8(0xdf);
+      this.writeU32(size);
+    } else {
+      throw new Error(`Too large map object: ${size}`);
+    }
+
+    for (const key of keys) {
+      const value = object[key];
+
+      if (!(this.ignoreUndefined && value === undefined)) {
+        this.encodeString(key);
+        this.doEncode(value, depth + 1);
+      }
+    }
+  }
+
+  private encodeExtension(ext: ExtData) {
+    const size = ext.data.length;
+    if (size === 1) {
+      // fixext 1
+      this.writeU8(0xd4);
+    } else if (size === 2) {
+      // fixext 2
+      this.writeU8(0xd5);
+    } else if (size === 4) {
+      // fixext 4
+      this.writeU8(0xd6);
+    } else if (size === 8) {
+      // fixext 8
+      this.writeU8(0xd7);
+    } else if (size === 16) {
+      // fixext 16
+      this.writeU8(0xd8);
+    } else if (size < 0x100) {
+      // ext 8
+      this.writeU8(0xc7);
+      this.writeU8(size);
+    } else if (size < 0x10000) {
+      // ext 16
+      this.writeU8(0xc8);
+      this.writeU16(size);
+    } else if (size < 0x100000000) {
+      // ext 32
+      this.writeU8(0xc9);
+      this.writeU32(size);
+    } else {
+      throw new Error(`Too large extension object: ${size}`);
+    }
+    this.writeI8(ext.type);
+    this.writeU8a(ext.data);
+  }
+
+  private writeU8(value: number) {
+    this.ensureBufferSizeToWrite(1);
+
+    this.view.setUint8(this.pos, value);
+    this.pos++;
+  }
+
+  private writeU8a(values: ArrayLike<number>) {
+    const size = values.length;
+    this.ensureBufferSizeToWrite(size);
+
+    this.bytes.set(values, this.pos);
+    this.pos += size;
+  }
+
+  private writeI8(value: number) {
+    this.ensureBufferSizeToWrite(1);
+
+    this.view.setInt8(this.pos, value);
+    this.pos++;
+  }
+
+  private writeU16(value: number) {
+    this.ensureBufferSizeToWrite(2);
+
+    this.view.setUint16(this.pos, value);
+    this.pos += 2;
+  }
+
+  private writeI16(value: number) {
+    this.ensureBufferSizeToWrite(2);
+
+    this.view.setInt16(this.pos, value);
+    this.pos += 2;
+  }
+
+  private writeU32(value: number) {
+    this.ensureBufferSizeToWrite(4);
+
+    this.view.setUint32(this.pos, value);
+    this.pos += 4;
+  }
+
+  private writeI32(value: number) {
+    this.ensureBufferSizeToWrite(4);
+
+    this.view.setInt32(this.pos, value);
+    this.pos += 4;
+  }
+
+  private writeF32(value: number) {
+    this.ensureBufferSizeToWrite(4);
+    this.view.setFloat32(this.pos, value);
+    this.pos += 4;
+  }
+
+  private writeF64(value: number) {
+    this.ensureBufferSizeToWrite(8);
+    this.view.setFloat64(this.pos, value);
+    this.pos += 8;
+  }
+
+  private writeU64(value: number) {
+    this.ensureBufferSizeToWrite(8);
+
+    setUint64(this.view, this.pos, value);
+    this.pos += 8;
+  }
+
+  private writeI64(value: number) {
+    this.ensureBufferSizeToWrite(8);
+
+    setInt64(this.view, this.pos, value);
+    this.pos += 8;
+  }
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/ExtData.ts

@@ -0,0 +1,6 @@
+/**
+ * ExtData is used to handle Extension Types that are not registered to ExtensionCodec.
+ */
+export class ExtData {
+  constructor(readonly type: number, readonly data: Uint8Array) {}
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/ExtensionCodec.ts

@@ -0,0 +1,104 @@
+// ExtensionCodec to handle MessagePack extensions
+
+import { ExtData } from "./ExtData";
+import { timestampExtension } from "./timestamp";
+
+export type ExtensionDecoderType<ContextType> = (
+  data: Uint8Array,
+  extensionType: number,
+  context: ContextType,
+) => unknown;
+
+export type ExtensionEncoderType<ContextType> = (input: unknown, context: ContextType) => Uint8Array | null;
+
+// immutable interface to ExtensionCodec
+export type ExtensionCodecType<ContextType> = {
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  __brand?: ContextType;
+  tryToEncode(object: unknown, context: ContextType): ExtData | null;
+  decode(data: Uint8Array, extType: number, context: ContextType): unknown;
+};
+
+export class ExtensionCodec<ContextType = undefined> implements ExtensionCodecType<ContextType> {
+  public static readonly defaultCodec: ExtensionCodecType<undefined> = new ExtensionCodec();
+
+  // ensures ExtensionCodecType<X> matches ExtensionCodec<X>
+  // this will make type errors a lot more clear
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  __brand?: ContextType;
+
+  // built-in extensions
+  private readonly builtInEncoders: Array<ExtensionEncoderType<ContextType> | undefined | null> = [];
+  private readonly builtInDecoders: Array<ExtensionDecoderType<ContextType> | undefined | null> = [];
+
+  // custom extensions
+  private readonly encoders: Array<ExtensionEncoderType<ContextType> | undefined | null> = [];
+  private readonly decoders: Array<ExtensionDecoderType<ContextType> | undefined | null> = [];
+
+  public constructor() {
+    this.register(timestampExtension);
+  }
+
+  public register({
+    type,
+    encode,
+    decode,
+  }: {
+    type: number;
+    encode: ExtensionEncoderType<ContextType>;
+    decode: ExtensionDecoderType<ContextType>;
+  }): void {
+    if (type >= 0) {
+      // custom extensions
+      this.encoders[type] = encode;
+      this.decoders[type] = decode;
+    } else {
+      // built-in extensions
+      const index = 1 + type;
+      this.builtInEncoders[index] = encode;
+      this.builtInDecoders[index] = decode;
+    }
+  }
+
+  public tryToEncode(object: unknown, context: ContextType): ExtData | null {
+    // built-in extensions
+    for (let i = 0; i < this.builtInEncoders.length; i++) {
+      const encodeExt = this.builtInEncoders[i];
+      if (encodeExt != null) {
+        const data = encodeExt(object, context);
+        if (data != null) {
+          const type = -1 - i;
+          return new ExtData(type, data);
+        }
+      }
+    }
+
+    // custom extensions
+    for (let i = 0; i < this.encoders.length; i++) {
+      const encodeExt = this.encoders[i];
+      if (encodeExt != null) {
+        const data = encodeExt(object, context);
+        if (data != null) {
+          const type = i;
+          return new ExtData(type, data);
+        }
+      }
+    }
+
+    if (object instanceof ExtData) {
+      // to keep ExtData as is
+      return object;
+    }
+    return null;
+  }
+
+  public decode(data: Uint8Array, type: number, context: ContextType): unknown {
+    const decodeExt = type < 0 ? this.builtInDecoders[-1 - type] : this.decoders[type];
+    if (decodeExt) {
+      return decodeExt(data, type, context);
+    } else {
+      // decode() does not fail, returns ExtData instead.
+      return new ExtData(type, data);
+    }
+  }
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/context.ts

@@ -0,0 +1,14 @@
+/* eslint-disable @typescript-eslint/ban-types */
+
+export type SplitTypes<T, U> = U extends T ? (Exclude<T, U> extends never ? T : Exclude<T, U>) : T;
+
+export type SplitUndefined<T> = SplitTypes<T, undefined>;
+
+export type ContextOf<ContextType> = ContextType extends undefined
+  ? {}
+  : {
+      /**
+       * Custom user-defined data, read/writable
+       */
+      context: ContextType;
+    };

build_vtk_bundle/node_modules/@msgpack/msgpack/src/decode.ts

@@ -0,0 +1,91 @@
+import { Decoder } from "./Decoder";
+import type { ExtensionCodecType } from "./ExtensionCodec";
+import type { ContextOf, SplitUndefined } from "./context";
+
+export type DecodeOptions<ContextType = undefined> = Readonly<
+  Partial<{
+    extensionCodec: ExtensionCodecType<ContextType>;
+
+    /**
+     * Maximum string length.
+     *
+     * Defaults to 4_294_967_295 (UINT32_MAX).
+     */
+    maxStrLength: number;
+    /**
+     * Maximum binary length.
+     *
+     * Defaults to 4_294_967_295 (UINT32_MAX).
+     */
+    maxBinLength: number;
+    /**
+     * Maximum array length.
+     *
+     * Defaults to 4_294_967_295 (UINT32_MAX).
+     */
+    maxArrayLength: number;
+    /**
+     * Maximum map length.
+     *
+     * Defaults to 4_294_967_295 (UINT32_MAX).
+     */
+    maxMapLength: number;
+    /**
+     * Maximum extension length.
+     *
+     * Defaults to 4_294_967_295 (UINT32_MAX).
+     */
+    maxExtLength: number;
+  }>
+> &
+  ContextOf<ContextType>;
+
+export const defaultDecodeOptions: DecodeOptions = {};
+
+/**
+ * It decodes a single MessagePack object in a buffer.
+ *
+ * This is a synchronous decoding function.
+ * See other variants for asynchronous decoding: {@link decodeAsync()}, {@link decodeStream()}, or {@link decodeArrayStream()}.
+ *
+ * @throws {@link RangeError} if the buffer is incomplete, including the case where the buffer is empty.
+ * @throws {@link DecodeError} if the buffer contains invalid data.
+ */
+export function decode<ContextType = undefined>(
+  buffer: ArrayLike<number> | BufferSource,
+  options: DecodeOptions<SplitUndefined<ContextType>> = defaultDecodeOptions as any,
+): unknown {
+  const decoder = new Decoder(
+    options.extensionCodec,
+    (options as typeof options & { context: any }).context,
+    options.maxStrLength,
+    options.maxBinLength,
+    options.maxArrayLength,
+    options.maxMapLength,
+    options.maxExtLength,
+  );
+  return decoder.decode(buffer);
+}
+
+/**
+ * It decodes multiple MessagePack objects in a buffer.
+ * This is corresponding to {@link decodeMultiStream()}.
+ *
+ * @throws {@link RangeError} if the buffer is incomplete, including the case where the buffer is empty.
+ * @throws {@link DecodeError} if the buffer contains invalid data.
+ */
+export function decodeMulti<ContextType = undefined>(
+  buffer: ArrayLike<number> | BufferSource,
+  options: DecodeOptions<SplitUndefined<ContextType>> = defaultDecodeOptions as any,
+): Generator<unknown, void, unknown> {
+  const decoder = new Decoder(
+    options.extensionCodec,
+    (options as typeof options & { context: any }).context,
+    options.maxStrLength,
+    options.maxBinLength,
+    options.maxArrayLength,
+    options.maxMapLength,
+    options.maxExtLength,
+  );
+  return decoder.decodeMulti(buffer);
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/decodeAsync.ts

@@ -0,0 +1,84 @@
+import { Decoder } from "./Decoder";
+import { ensureAsyncIterable } from "./utils/stream";
+import { defaultDecodeOptions } from "./decode";
+import type { ReadableStreamLike } from "./utils/stream";
+import type { DecodeOptions } from "./decode";
+import type { SplitUndefined } from "./context";
+
+/**
+ * @throws {@link RangeError} if the buffer is incomplete, including the case where the buffer is empty.
+ * @throws {@link DecodeError} if the buffer contains invalid data.
+ */
+ export async function decodeAsync<ContextType>(
+  streamLike: ReadableStreamLike<ArrayLike<number> | BufferSource>,
+  options: DecodeOptions<SplitUndefined<ContextType>> = defaultDecodeOptions as any,
+): Promise<unknown> {
+  const stream = ensureAsyncIterable(streamLike);
+
+  const decoder = new Decoder(
+    options.extensionCodec,
+    (options as typeof options & { context: any }).context,
+    options.maxStrLength,
+    options.maxBinLength,
+    options.maxArrayLength,
+    options.maxMapLength,
+    options.maxExtLength,
+  );
+  return decoder.decodeAsync(stream);
+}
+
+/**
+ * @throws {@link RangeError} if the buffer is incomplete, including the case where the buffer is empty.
+ * @throws {@link DecodeError} if the buffer contains invalid data.
+ */
+ export function decodeArrayStream<ContextType>(
+  streamLike: ReadableStreamLike<ArrayLike<number> | BufferSource>,
+  options: DecodeOptions<SplitUndefined<ContextType>> = defaultDecodeOptions as any,
+): AsyncGenerator<unknown, void, unknown> {
+  const stream = ensureAsyncIterable(streamLike);
+
+  const decoder = new Decoder(
+    options.extensionCodec,
+    (options as typeof options & { context: any }).context,
+    options.maxStrLength,
+    options.maxBinLength,
+    options.maxArrayLength,
+    options.maxMapLength,
+    options.maxExtLength,
+  );
+
+  return decoder.decodeArrayStream(stream);
+}
+
+/**
+ * @throws {@link RangeError} if the buffer is incomplete, including the case where the buffer is empty.
+ * @throws {@link DecodeError} if the buffer contains invalid data.
+ */
+export function decodeMultiStream<ContextType>(
+  streamLike: ReadableStreamLike<ArrayLike<number> | BufferSource>,
+  options: DecodeOptions<SplitUndefined<ContextType>> = defaultDecodeOptions as any,
+): AsyncGenerator<unknown, void, unknown> {
+  const stream = ensureAsyncIterable(streamLike);
+
+  const decoder = new Decoder(
+    options.extensionCodec,
+    (options as typeof options & { context: any }).context,
+    options.maxStrLength,
+    options.maxBinLength,
+    options.maxArrayLength,
+    options.maxMapLength,
+    options.maxExtLength,
+  );
+
+  return decoder.decodeStream(stream);
+}
+
+/**
+ * @deprecated Use {@link decodeMultiStream()} instead.
+ */
+export function decodeStream<ContextType>(
+  streamLike: ReadableStreamLike<ArrayLike<number> | BufferSource>,
+  options: DecodeOptions<SplitUndefined<ContextType>> = defaultDecodeOptions as any,
+): AsyncGenerator<unknown, void, unknown> {
+  return decodeMultiStream(streamLike, options);
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/encode.ts

@@ -0,0 +1,81 @@
+import { Encoder } from "./Encoder";
+import type { ExtensionCodecType } from "./ExtensionCodec";
+import type { ContextOf, SplitUndefined } from "./context";
+
+export type EncodeOptions<ContextType = undefined> = Partial<
+  Readonly<{
+    extensionCodec: ExtensionCodecType<ContextType>;
+
+    /**
+     * The maximum depth in nested objects and arrays.
+     *
+     * Defaults to 100.
+     */
+    maxDepth: number;
+
+    /**
+     * The initial size of the internal buffer.
+     *
+     * Defaults to 2048.
+     */
+    initialBufferSize: number;
+
+    /**
+     * If `true`, the keys of an object is sorted. In other words, the encoded
+     * binary is canonical and thus comparable to another encoded binary.
+     *
+     * Defaults to `false`. If enabled, it spends more time in encoding objects.
+     */
+    sortKeys: boolean;
+    /**
+     * If `true`, non-integer numbers are encoded in float32, not in float64 (the default).
+     *
+     * Only use it if precisions don't matter.
+     *
+     * Defaults to `false`.
+     */
+    forceFloat32: boolean;
+
+    /**
+     * If `true`, an object property with `undefined` value are ignored.
+     * e.g. `{ foo: undefined }` will be encoded as `{}`, as `JSON.stringify()` does.
+     *
+     * Defaults to `false`. If enabled, it spends more time in encoding objects.
+     */
+    ignoreUndefined: boolean;
+
+    /**
+     * If `true`, integer numbers are encoded as floating point numbers,
+     * with the `forceFloat32` option taken into account.
+     *
+     * Defaults to `false`.
+     */
+    forceIntegerToFloat: boolean;
+  }>
+> &
+  ContextOf<ContextType>;
+
+const defaultEncodeOptions: EncodeOptions = {};
+
+/**
+ * It encodes `value` in the MessagePack format and
+ * returns a byte buffer.
+ *
+ * The returned buffer is a slice of a larger `ArrayBuffer`, so you have to use its `#byteOffset` and `#byteLength` in order to convert it to another typed arrays including NodeJS `Buffer`.
+ */
+export function encode<ContextType = undefined>(
+  value: unknown,
+  options: EncodeOptions<SplitUndefined<ContextType>> = defaultEncodeOptions as any,
+): Uint8Array {
+  const encoder = new Encoder(
+    options.extensionCodec,
+    (options as typeof options & { context: any }).context,
+    options.maxDepth,
+    options.initialBufferSize,
+    options.sortKeys,
+    options.forceFloat32,
+    options.ignoreUndefined,
+    options.forceIntegerToFloat,
+  );
+  return encoder.encodeSharedRef(value);
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/index.ts

@@ -0,0 +1,47 @@
+// Main Functions:
+
+import { encode } from "./encode";
+export { encode };
+import type { EncodeOptions } from "./encode";
+export type { EncodeOptions };
+
+import { decode, decodeMulti } from "./decode";
+export { decode, decodeMulti };
+import type { DecodeOptions } from "./decode";
+export { DecodeOptions };
+
+import { decodeAsync, decodeArrayStream, decodeMultiStream, decodeStream } from "./decodeAsync";
+export { decodeAsync, decodeArrayStream, decodeMultiStream, decodeStream };
+
+import { Decoder, DataViewIndexOutOfBoundsError } from "./Decoder";
+import { DecodeError } from "./DecodeError";
+export { Decoder, DecodeError, DataViewIndexOutOfBoundsError };
+
+import { Encoder } from "./Encoder";
+export { Encoder };
+
+// Utilitiies for Extension Types:
+
+import { ExtensionCodec } from "./ExtensionCodec";
+export { ExtensionCodec };
+import type { ExtensionCodecType, ExtensionDecoderType, ExtensionEncoderType } from "./ExtensionCodec";
+export type { ExtensionCodecType, ExtensionDecoderType, ExtensionEncoderType };
+import { ExtData } from "./ExtData";
+export { ExtData };
+
+import {
+  EXT_TIMESTAMP,
+  encodeDateToTimeSpec,
+  encodeTimeSpecToTimestamp,
+  decodeTimestampToTimeSpec,
+  encodeTimestampExtension,
+  decodeTimestampExtension,
+} from "./timestamp";
+export {
+  EXT_TIMESTAMP,
+  encodeDateToTimeSpec,
+  encodeTimeSpecToTimestamp,
+  decodeTimestampToTimeSpec,
+  encodeTimestampExtension,
+  decodeTimestampExtension,
+};

build_vtk_bundle/node_modules/@msgpack/msgpack/src/timestamp.ts

@@ -0,0 +1,108 @@
+// https://github.com/msgpack/msgpack/blob/master/spec.md#timestamp-extension-type
+import { DecodeError } from "./DecodeError";
+import { getInt64, setInt64 } from "./utils/int";
+
+export const EXT_TIMESTAMP = -1;
+
+export type TimeSpec = {
+  sec: number;
+  nsec: number;
+};
+
+const TIMESTAMP32_MAX_SEC = 0x100000000 - 1; // 32-bit unsigned int
+const TIMESTAMP64_MAX_SEC = 0x400000000 - 1; // 34-bit unsigned int
+
+export function encodeTimeSpecToTimestamp({ sec, nsec }: TimeSpec): Uint8Array {
+  if (sec >= 0 && nsec >= 0 && sec <= TIMESTAMP64_MAX_SEC) {
+    // Here sec >= 0 && nsec >= 0
+    if (nsec === 0 && sec <= TIMESTAMP32_MAX_SEC) {
+      // timestamp 32 = { sec32 (unsigned) }
+      const rv = new Uint8Array(4);
+      const view = new DataView(rv.buffer);
+      view.setUint32(0, sec);
+      return rv;
+    } else {
+      // timestamp 64 = { nsec30 (unsigned), sec34 (unsigned) }
+      const secHigh = sec / 0x100000000;
+      const secLow = sec & 0xffffffff;
+      const rv = new Uint8Array(8);
+      const view = new DataView(rv.buffer);
+      // nsec30 | secHigh2
+      view.setUint32(0, (nsec << 2) | (secHigh & 0x3));
+      // secLow32
+      view.setUint32(4, secLow);
+      return rv;
+    }
+  } else {
+    // timestamp 96 = { nsec32 (unsigned), sec64 (signed) }
+    const rv = new Uint8Array(12);
+    const view = new DataView(rv.buffer);
+    view.setUint32(0, nsec);
+    setInt64(view, 4, sec);
+    return rv;
+  }
+}
+
+export function encodeDateToTimeSpec(date: Date): TimeSpec {
+  const msec = date.getTime();
+  const sec = Math.floor(msec / 1e3);
+  const nsec = (msec - sec * 1e3) * 1e6;
+
+  // Normalizes { sec, nsec } to ensure nsec is unsigned.
+  const nsecInSec = Math.floor(nsec / 1e9);
+  return {
+    sec: sec + nsecInSec,
+    nsec: nsec - nsecInSec * 1e9,
+  };
+}
+
+export function encodeTimestampExtension(object: unknown): Uint8Array | null {
+  if (object instanceof Date) {
+    const timeSpec = encodeDateToTimeSpec(object);
+    return encodeTimeSpecToTimestamp(timeSpec);
+  } else {
+    return null;
+  }
+}
+
+export function decodeTimestampToTimeSpec(data: Uint8Array): TimeSpec {
+  const view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+
+  // data may be 32, 64, or 96 bits
+  switch (data.byteLength) {
+    case 4: {
+      // timestamp 32 = { sec32 }
+      const sec = view.getUint32(0);
+      const nsec = 0;
+      return { sec, nsec };
+    }
+    case 8: {
+      // timestamp 64 = { nsec30, sec34 }
+      const nsec30AndSecHigh2 = view.getUint32(0);
+      const secLow32 = view.getUint32(4);
+      const sec = (nsec30AndSecHigh2 & 0x3) * 0x100000000 + secLow32;
+      const nsec = nsec30AndSecHigh2 >>> 2;
+      return { sec, nsec };
+    }
+    case 12: {
+      // timestamp 96 = { nsec32 (unsigned), sec64 (signed) }
+
+      const sec = getInt64(view, 4);
+      const nsec = view.getUint32(0);
+      return { sec, nsec };
+    }
+    default:
+      throw new DecodeError(`Unrecognized data size for timestamp (expected 4, 8, or 12): ${data.length}`);
+  }
+}
+
+export function decodeTimestampExtension(data: Uint8Array): Date {
+  const timeSpec = decodeTimestampToTimeSpec(data);
+  return new Date(timeSpec.sec * 1e3 + timeSpec.nsec / 1e6);
+}
+
+export const timestampExtension = {
+  type: EXT_TIMESTAMP,
+  encode: encodeTimestampExtension,
+  decode: decodeTimestampExtension,
+};

build_vtk_bundle/node_modules/@msgpack/msgpack/src/utils/int.ts

@@ -0,0 +1,32 @@
+// Integer Utility
+
+export const UINT32_MAX = 0xffff_ffff;
+
+// DataView extension to handle int64 / uint64,
+// where the actual range is 53-bits integer (a.k.a. safe integer)
+
+export function setUint64(view: DataView, offset: number, value: number): void {
+  const high = value / 0x1_0000_0000;
+  const low = value; // high bits are truncated by DataView
+  view.setUint32(offset, high);
+  view.setUint32(offset + 4, low);
+}
+
+export function setInt64(view: DataView, offset: number, value: number): void {
+  const high = Math.floor(value / 0x1_0000_0000);
+  const low = value; // high bits are truncated by DataView
+  view.setUint32(offset, high);
+  view.setUint32(offset + 4, low);
+}
+
+export function getInt64(view: DataView, offset: number): number {
+  const high = view.getInt32(offset);
+  const low = view.getUint32(offset + 4);
+  return high * 0x1_0000_0000 + low;
+}
+
+export function getUint64(view: DataView, offset: number): number {
+  const high = view.getUint32(offset);
+  const low = view.getUint32(offset + 4);
+  return high * 0x1_0000_0000 + low;
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/utils/prettyByte.ts

@@ -0,0 +1,3 @@
+export function prettyByte(byte: number): string {
+  return `${byte < 0 ? "-" : ""}0x${Math.abs(byte).toString(16).padStart(2, "0")}`;
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/utils/stream.ts

@@ -0,0 +1,42 @@
+// utility for whatwg streams
+
+// The living standard of whatwg streams says
+// ReadableStream is also AsyncIterable, but
+// as of June 2019, no browser implements it.
+// See https://streams.spec.whatwg.org/ for details
+export type ReadableStreamLike<T> = AsyncIterable<T> | ReadableStream<T>;
+
+export function isAsyncIterable<T>(object: ReadableStreamLike<T>): object is AsyncIterable<T> {
+  return (object as any)[Symbol.asyncIterator] != null;
+}
+
+function assertNonNull<T>(value: T | null | undefined): asserts value is T {
+  if (value == null) {
+    throw new Error("Assertion Failure: value must not be null nor undefined");
+  }
+}
+
+export async function* asyncIterableFromStream<T>(stream: ReadableStream<T>): AsyncIterable<T> {
+  const reader = stream.getReader();
+
+  try {
+    while (true) {
+      const { done, value } = await reader.read();
+      if (done) {
+        return;
+      }
+      assertNonNull(value);
+      yield value;
+    }
+  } finally {
+    reader.releaseLock();
+  }
+}
+
+export function ensureAsyncIterable<T>(streamLike: ReadableStreamLike<T>): AsyncIterable<T> {
+  if (isAsyncIterable(streamLike)) {
+    return streamLike;
+  } else {
+    return asyncIterableFromStream(streamLike);
+  }
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/utils/typedArrays.ts

@@ -0,0 +1,21 @@
+export function ensureUint8Array(buffer: ArrayLike<number> | Uint8Array | ArrayBufferView | ArrayBuffer): Uint8Array {
+  if (buffer instanceof Uint8Array) {
+    return buffer;
+  } else if (ArrayBuffer.isView(buffer)) {
+    return new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+  } else if (buffer instanceof ArrayBuffer) {
+    return new Uint8Array(buffer);
+  } else {
+    // ArrayLike<number>
+    return Uint8Array.from(buffer);
+  }
+}
+
+export function createDataView(buffer: ArrayLike<number> | ArrayBufferView | ArrayBuffer): DataView {
+  if (buffer instanceof ArrayBuffer) {
+    return new DataView(buffer);
+  }
+
+  const bufferView = ensureUint8Array(buffer);
+  return new DataView(bufferView.buffer, bufferView.byteOffset, bufferView.byteLength);
+}

build_vtk_bundle/node_modules/@msgpack/msgpack/src/utils/utf8.ts

@@ -0,0 +1,170 @@
+/* eslint-disable @typescript-eslint/no-unnecessary-condition */
+import { UINT32_MAX } from "./int";
+
+const TEXT_ENCODING_AVAILABLE =
+  (typeof process === "undefined" || process?.env?.["TEXT_ENCODING"] !== "never") &&
+  typeof TextEncoder !== "undefined" &&
+  typeof TextDecoder !== "undefined";
+
+export function utf8Count(str: string): number {
+  const strLength = str.length;
+
+  let byteLength = 0;
+  let pos = 0;
+  while (pos < strLength) {
+    let value = str.charCodeAt(pos++);
+
+    if ((value & 0xffffff80) === 0) {
+      // 1-byte
+      byteLength++;
+      continue;
+    } else if ((value & 0xfffff800) === 0) {
+      // 2-bytes
+      byteLength += 2;
+    } else {
+      // handle surrogate pair
+      if (value >= 0xd800 && value <= 0xdbff) {
+        // high surrogate
+        if (pos < strLength) {
+          const extra = str.charCodeAt(pos);
+          if ((extra & 0xfc00) === 0xdc00) {
+            ++pos;
+            value = ((value & 0x3ff) << 10) + (extra & 0x3ff) + 0x10000;
+          }
+        }
+      }
+
+      if ((value & 0xffff0000) === 0) {
+        // 3-byte
+        byteLength += 3;
+      } else {
+        // 4-byte
+        byteLength += 4;
+      }
+    }
+  }
+  return byteLength;
+}
+
+export function utf8EncodeJs(str: string, output: Uint8Array, outputOffset: number): void {
+  const strLength = str.length;
+  let offset = outputOffset;
+  let pos = 0;
+  while (pos < strLength) {
+    let value = str.charCodeAt(pos++);
+
+    if ((value & 0xffffff80) === 0) {
+      // 1-byte
+      output[offset++] = value;
+      continue;
+    } else if ((value & 0xfffff800) === 0) {
+      // 2-bytes
+      output[offset++] = ((value >> 6) & 0x1f) | 0xc0;
+    } else {
+      // handle surrogate pair
+      if (value >= 0xd800 && value <= 0xdbff) {
+        // high surrogate
+        if (pos < strLength) {
+          const extra = str.charCodeAt(pos);
+          if ((extra & 0xfc00) === 0xdc00) {
+            ++pos;
+            value = ((value & 0x3ff) << 10) + (extra & 0x3ff) + 0x10000;
+          }
+        }
+      }
+
+      if ((value & 0xffff0000) === 0) {
+        // 3-byte
+        output[offset++] = ((value >> 12) & 0x0f) | 0xe0;
+        output[offset++] = ((value >> 6) & 0x3f) | 0x80;
+      } else {
+        // 4-byte
+        output[offset++] = ((value >> 18) & 0x07) | 0xf0;
+        output[offset++] = ((value >> 12) & 0x3f) | 0x80;
+        output[offset++] = ((value >> 6) & 0x3f) | 0x80;
+      }
+    }
+
+    output[offset++] = (value & 0x3f) | 0x80;
+  }
+}
+
+const sharedTextEncoder = TEXT_ENCODING_AVAILABLE ? new TextEncoder() : undefined;
+export const TEXT_ENCODER_THRESHOLD = !TEXT_ENCODING_AVAILABLE
+  ? UINT32_MAX
+  : typeof process !== "undefined" && process?.env?.["TEXT_ENCODING"] !== "force"
+  ? 200
+  : 0;
+
+function utf8EncodeTEencode(str: string, output: Uint8Array, outputOffset: number): void {
+  output.set(sharedTextEncoder!.encode(str), outputOffset);
+}
+
+function utf8EncodeTEencodeInto(str: string, output: Uint8Array, outputOffset: number): void {
+  sharedTextEncoder!.encodeInto(str, output.subarray(outputOffset));
+}
+
+export const utf8EncodeTE = sharedTextEncoder?.encodeInto ? utf8EncodeTEencodeInto : utf8EncodeTEencode;
+
+const CHUNK_SIZE = 0x1_000;
+
+export function utf8DecodeJs(bytes: Uint8Array, inputOffset: number, byteLength: number): string {
+  let offset = inputOffset;
+  const end = offset + byteLength;
+
+  const units: Array<number> = [];
+  let result = "";
+  while (offset < end) {
+    const byte1 = bytes[offset++]!;
+    if ((byte1 & 0x80) === 0) {
+      // 1 byte
+      units.push(byte1);
+    } else if ((byte1 & 0xe0) === 0xc0) {
+      // 2 bytes
+      const byte2 = bytes[offset++]! & 0x3f;
+      units.push(((byte1 & 0x1f) << 6) | byte2);
+    } else if ((byte1 & 0xf0) === 0xe0) {
+      // 3 bytes
+      const byte2 = bytes[offset++]! & 0x3f;
+      const byte3 = bytes[offset++]! & 0x3f;
+      units.push(((byte1 & 0x1f) << 12) | (byte2 << 6) | byte3);
+    } else if ((byte1 & 0xf8) === 0xf0) {
+      // 4 bytes
+      const byte2 = bytes[offset++]! & 0x3f;
+      const byte3 = bytes[offset++]! & 0x3f;
+      const byte4 = bytes[offset++]! & 0x3f;
+      let unit = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0c) | (byte3 << 0x06) | byte4;
+      if (unit > 0xffff) {
+        unit -= 0x10000;
+        units.push(((unit >>> 10) & 0x3ff) | 0xd800);
+        unit = 0xdc00 | (unit & 0x3ff);
+      }
+      units.push(unit);
+    } else {
+      units.push(byte1);
+    }
+
+    if (units.length >= CHUNK_SIZE) {
+      result += String.fromCharCode(...units);
+      units.length = 0;
+    }
+  }
+
+  if (units.length > 0) {
+    result += String.fromCharCode(...units);
+  }
+
+  return result;
+}
+
+const sharedTextDecoder = TEXT_ENCODING_AVAILABLE ? new TextDecoder() : null;
+export const TEXT_DECODER_THRESHOLD = !TEXT_ENCODING_AVAILABLE
+  ? UINT32_MAX
+  : typeof process !== "undefined" && process?.env?.["TEXT_DECODER"] !== "force"
+  ? 200
+  : 0;
+
+export function utf8DecodeTD(bytes: Uint8Array, inputOffset: number, byteLength: number): string {
+  const stringBytes = bytes.subarray(inputOffset, inputOffset + byteLength);
+  return sharedTextDecoder!.decode(stringBytes);
+}