How to use arrayByteLength method in wpt

Best JavaScript code snippet using wpt

Deserializer.ts

Source:Deserializer.ts

1/// <reference path="../../node_modules/assemblyscript/std/assembly/rt/index.d.ts" />2import { ASON_INSTRUCTION_TYPE, __arraySegment, __circularSegment, __dataSegment, __endSegment, __nullSegment, __popSegment, __referenceSegment, __valueSegment } from "./util";3import { ASON_ERROR } from "./Error";4class Box<T> { constructor(public value: T) {}}5@global6export class Deserializer {7  stackIndex: i32 = -1;8  stack: StaticArray<usize> = new StaticArray<usize>(1000);9  binaryIndex: i32 = 0;10  binary: StaticArray<u8> = [];11  seen: Map<u32, usize> = new Map<u32, usize>();12  deserialize<T>(binary: StaticArray<u8>): T {13    this.binary = binary;14    this.binaryIndex = 0;15    let box = new Box<T>(16      isInteger<T>() || isFloat<T>()17        ? <T>018        : changetype<T>(0)19    );20    unchecked(this.stack[0] = changetype<usize>(box));21    this.stackIndex = 0;22    let token = this.peek();23    // assuming object/array24    switch(token) {25      case ASON_INSTRUCTION_TYPE.ARRAY: {26        if (!this.tryConsumeArray(token)) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);27        break;28      }29      case ASON_INSTRUCTION_TYPE.REFERENCE: {30        if (!this.tryConsumeReference(token)) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);31        break;32      }33      default: throw new Error(ASON_ERROR.E_TYPE_MISMATCH);34    }35    this.consumeEnd();36    return box.value;37  }38  private peek(): ASON_INSTRUCTION_TYPE {39    return load<ASON_INSTRUCTION_TYPE>(changetype<usize>(this.binary) + <usize>this.binaryIndex);40  }41  /**42   * Pushes the stack index +1, assembles a buffer, then creates an array, then returns it.43   *44   * @param {ASON_INSTRUCTION_TYPE} token - Peeked token, so it doesn't need to `peek()`45   */46  private tryConsumeArray(token: ASON_INSTRUCTION_TYPE): bool {47    // will only consume an array48    if (token != ASON_INSTRUCTION_TYPE.ARRAY) return false;49    let stackIndex = this.stackIndex;50    let arraySegment = this.arraySegment;51    let arrayOffset = arraySegment.offset;52    let arrayAlign = arraySegment.align;53    let arrayLength = arraySegment.length;54    let arrayIsStaticArray = arraySegment.isStaticArray;55    let arrayClassId = arraySegment.classId;56    let arrayEntryId = arraySegment.entryId;57    trace("entry id", 1, arrayEntryId);58    let arrayValueIsNullable = arraySegment.isValueNullable;59    // advance the parser, no turning back now60    this.binaryIndex += offsetof<__arraySegment>();61    token = this.peek();62    let parentPtr = this.stack[stackIndex];63    let arrayByteLength = <usize>arrayLength << arrayAlign;64    let result: usize = 0;65    switch (token) {66      case ASON_INSTRUCTION_TYPE.DATA: {67        let dataSegment = this.dataSegment;68        let array: usize;69        let dataStart = changetype<usize>(dataSegment) + offsetof<__dataSegment>();70        if (arrayIsStaticArray) {71          array = __new(arrayByteLength, arrayClassId);72          memory.copy(array, dataStart, arrayByteLength);73        } else {74          // fast path, new array75          array = __newArray(arrayLength, arrayAlign, arrayClassId, dataStart);76        }77        // always link. every item on the stack is garunteed to be managed78        __link(parentPtr, array, false);79        trace("setting seen", 2, arrayEntryId, array);80        this.seen.set(arrayEntryId, array);81        result = array;82        // store it on the parent (or at the result pointer)83        store<usize>(parentPtr + arrayOffset, array);84        this.binaryIndex += <i32>(offsetof<__dataSegment>() + arrayByteLength); // advance the buffer85        break;86      }87      case ASON_INSTRUCTION_TYPE.CIRCULAR:88      case ASON_INSTRUCTION_TYPE.REFERENCE:89      case ASON_INSTRUCTION_TYPE.NULL:90      case ASON_INSTRUCTION_TYPE.ARRAY: {91        let result: usize = 0;92        // allocate the right kind of "buffer"93        let buffer = arrayIsStaticArray94          ? __new(arrayByteLength, arrayClassId)95          : __new(arrayByteLength, idof<ArrayBuffer>());96        __pin(buffer);97        // push the stack98        let workingIndex = ++this.stackIndex;99        // We will be writing to the "buffer"100        this.stack[workingIndex] = buffer; // data is written to this buffer101        // If this is a static array the "buffer" is the result102        if (arrayIsStaticArray) {103          result = buffer;104        } else {105          // we need to allocate another reference for the array itself106          result = __new(offsetof<Array<usize>>(), arrayClassId);107          // immediately pin and link the array to the buffer108          __pin(result);109          __link(result, buffer, false);110          // now we can unpin the buffer111          __unpin(buffer);112          // TODO: Assemble the array properties here113          // private buffer: ArrayBuffer;114          store<usize>(result, buffer, offsetof<Array<usize>>("buffer"));115          //private dataStart: usize;116          store<usize>(result, buffer, offsetof<Array<usize>>("dataStart"));117          // private byteLength: i32;118          store<i32>(result, <i32>arrayByteLength, offsetof<Array<usize>>("byteLength"));119          // private length_: i32;120          store<i32>(result, <i32>arrayLength, offsetof<Array<usize>>());121        }122        // we could consume circular references123        this.seen.set(arrayEntryId, result);124        while (125          this.tryConsumeCircular(token)126          || this.tryConsumeReference(token)127          || this.tryConsumeArray(token)128          || (arrayValueIsNullable && this.tryConsumeNull(token))129        ) {130          token = this.peek();131        }132        this.stackIndex--;133        break;134      }135      default: throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);136    }137    store<usize>(parentPtr + arrayOffset, result);138    __link(parentPtr, result, false);139    this.consumePop();140    return true;141  }142  private tryConsumeReference(token: ASON_INSTRUCTION_TYPE): bool {143    if (token != ASON_INSTRUCTION_TYPE.REFERENCE) return false;144    let referenceSegment = this.referenceSegment;145    let referenceByteLength = referenceSegment.byteLength;146    let referenceClassId = referenceSegment.classId;147    let referenceEntryId = referenceSegment.entryId;148    let referenceOffset = referenceSegment.offset;149    let stackIndex = this.stackIndex;150    let parentPointer = this.stack[stackIndex];151    let ref = __pin(__new(referenceByteLength, referenceClassId));152    store<usize>(parentPointer + referenceOffset, ref);153    __link(parentPointer, ref, false);154    if (this.seen.has(referenceEntryId)) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);155    trace("ref is", 2, <f64>referenceEntryId, <f64>ref);156    this.seen.set(referenceEntryId, ref);157    let currentStackIndex = stackIndex + 1;158    this.stackIndex = currentStackIndex;159    this.stack[currentStackIndex] = ref;160    this.binaryIndex += offsetof<__referenceSegment>();161    token = this.peek();162    while (163      this.tryConsumeArray(token)164      || this.tryConsumeCircular(token)165      || this.tryConsumeNull(token)166      || this.tryConsumeReference(token)167      || this.tryConsumeValue(token)168    ) {169      token = this.peek();170    }171    this.stackIndex = stackIndex;172    this.consumePop();173    return true;174  }175  private tryConsumeValue(token: ASON_INSTRUCTION_TYPE): bool {176    if (token != ASON_INSTRUCTION_TYPE.VALUE) return false;177    // consume the valueSegment178    let nextIndex = this.binaryIndex + offsetof<__valueSegment>();179    if (nextIndex >= this.binary.length) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);180    let valueSegment = this.valueSegment;181    // used as top level validation182    // let valueIsFloat = valueSegment.isFloat;183    let valueOffset = valueSegment.offset;184    let valueSize = valueSegment.size;185    let valuePointer = changetype<usize>(valueSegment) + offsetof<__valueSegment>("value");186    let parentPointer = this.stack[this.stackIndex];187    switch (valueSize) {188      case 1: {189        store<u8>(parentPointer + valueOffset, load<u8>(valuePointer));190        break;191      }192      case 2: {193        store<u16>(parentPointer + valueOffset, load<u16>(valuePointer));194        break;195      }196      case 4: {197        store<u32>(parentPointer + valueOffset, load<u32>(valuePointer));198        break;199      }200      case 8: {201        store<u64>(parentPointer + valueOffset, load<u64>(valuePointer));202        break;203      }204    }205    // cannot obtain the value exactly206    // let value = valueSegment.value;207    this.binaryIndex = nextIndex;208    return true;209  }210  private consumePop(): void {211    if (this.peek() != ASON_INSTRUCTION_TYPE.POP) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);212    let nextIndex = this.binaryIndex + offsetof<__popSegment>();213    if (nextIndex >= this.binary.length) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);214    this.binaryIndex = nextIndex;215  }216  private tryConsumeNull(token: ASON_INSTRUCTION_TYPE): bool {217    if (token != ASON_INSTRUCTION_TYPE.NULL) return false;218    let nullSegment = this.nullSegment;219    let parent = this.stack[this.stackIndex];220    store<usize>(parent + nullSegment.offset, 0);221    let nextIndex = this.binaryIndex + offsetof<__nullSegment>();222    if (nextIndex >= this.binary.length) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);223    this.binaryIndex = nextIndex;224    return true;225  }226  private tryConsumeCircular(token: ASON_INSTRUCTION_TYPE): bool {227    if (token != ASON_INSTRUCTION_TYPE.CIRCULAR) return false;228    trace("found circular");229    let circularSegment = this.circularSegment;230    let circularSegmentID = circularSegment.id;231    let circularSegmentOffset = circularSegment.offset;232    let parent = this.stack[this.stackIndex];233    if (!this.seen.has(circularSegmentID)) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);234    let child = this.seen.get(circularSegmentID);235    trace("circularInfo", 4,236      <f64>circularSegmentID,237      <f64>circularSegmentOffset,238      <f64>parent,239      <f64>child,240    );241    store<usize>(parent + circularSegmentOffset, child);242    __link(parent, child, true);243    this.binaryIndex += offsetof<__circularSegment>();244    return true;245  }246  private consumeEnd(): void {247    if (this.peek() != ASON_INSTRUCTION_TYPE.END248      || (this.binaryIndex + offsetof<__endSegment>()) != this.binary.length249      ) throw new Error(ASON_ERROR.E_INVALID_DATA_FORMAT);250    this.binaryIndex = this.binary.length; // all consumed251  }252  private get valueSegment(): __valueSegment {253    return changetype<__valueSegment>(changetype<usize>(this.binary) + <usize>this.binaryIndex);254  }255  private get arraySegment(): __arraySegment {256    return changetype<__arraySegment>(changetype<usize>(this.binary) + <usize>this.binaryIndex);257  }258  private get nullSegment(): __nullSegment {259    return changetype<__nullSegment>(changetype<usize>(this.binary) + <usize>this.binaryIndex);260  }261  private get circularSegment(): __circularSegment {262    return changetype<__circularSegment>(changetype<usize>(this.binary) + <usize>this.binaryIndex);263  }264  private get referenceSegment(): __referenceSegment {265    return changetype<__referenceSegment>(changetype<usize>(this.binary) + <usize>this.binaryIndex);266  }267  private get dataSegment(): __dataSegment {268    return changetype<__dataSegment>(changetype<usize>(this.binary) + <usize>this.binaryIndex);269  }...

wav.ts

Source:wav.ts

1// Copyright (c) 2017 Tracktunes Inc2// see: http://soundfile.sapp.org/doc/WaveFormat/3export function makeWavBlobHeaderView(4    nSamples: number,5    sampleRate: number6): DataView {7    'use strict';8    const arrayByteLength: number = nSamples * 2,9        headerView: DataView = new DataView(new ArrayBuffer(44)),10        writeAscii:11        (dataView: DataView, offset: number, text: string) => void =12        (dataView: DataView, offset: number, text: string) => {13            const len: number = text.length;14            for (let i: number = 0; i < len; i++) {15                dataView.setUint8(offset + i, text.charCodeAt(i));16            }17        };18    //19    // NB: this is single-channel (mono)20    //21    //   0-4: ChunkId22    writeAscii(headerView, 0, 'RIFF');23    //   4-8: ChunkSize24    headerView.setUint32(4, 36 + arrayByteLength, true);25    //  8-12: Format26    writeAscii(headerView, 8, 'WAVE');27    // 12-16: Subchunk1ID28    writeAscii(headerView, 12, 'fmt ');29    // 16-20: Subchunk1Size30    headerView.setUint32(16, 16, true);31    // 20-22: AudioFormat32    headerView.setUint16(20, 1, true);33    // 22-24: NumChannels34    headerView.setUint16(22, 1, true);35    // 24-28: SampleRate36    headerView.setUint32(24, sampleRate, true);37    // 28-32: ByteRate38    headerView.setUint32(28, sampleRate * 2, true);39    // 32-34: BlockAlign40    headerView.setUint16(32, 2, true);41    // 34-36: BitsPerSample42    headerView.setUint16(34, 16, true);43    // 36-40: Subchunk2ID44    writeAscii(headerView, 36, 'data');45    // 40-44: Subchunk2Size46    headerView.setUint32(40, arrayByteLength, true);47    return headerView;...

util.spec.ts

Source:util.spec.ts

...15  randomNodeId = generateRandomNodeIdAtDistance(nodeId, 25)16  t.ok(log2Distance(nodeId, randomNodeId) === 25, 'calculated random node id at distance 25')17  const arrayOfUint8Arrays = [Uint8Array.from([1, 2, 3]), Uint8Array.from([1, 2])]18  const arrayOfBuffers = [Buffer.from([1, 2, 3]), Buffer.from([1, 2, 3, 4, 5])]19  t.equal(arrayByteLength(arrayOfUint8Arrays), 5, 'computed correct length of nested Uint8Arrays')20  t.equal(arrayByteLength(arrayOfBuffers), 8, 'computed correct length of nested Buffers')21  t.equal(await dirSize('./test/util/testDir'), 0.00002765655517578125)22  t.end()...

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var arrayByteLength = wptoolkit.arrayByteLength;3var array = [1, 2, 3, 4, 5];4var arrayByteLength = arrayByteLength(array);5console.log(arrayByteLength);6var wptoolkit = require('wptoolkit');7var arrayByteLength = wptoolkit.arrayByteLength;8var array = [1, 2, 3, 4, 5];9var arrayByteLength = arrayByteLength(array);10console.log(arrayByteLength);11var wptoolkit = require('wptoolkit');12var arrayByteLength = wptoolkit.arrayByteLength;13var array = [1, 2, 3, 4, 5];14var arrayByteLength = arrayByteLength(array);15console.log(arrayByteLength);16var wptoolkit = require('wptoolkit');17var arrayByteLength = wptoolkit.arrayByteLength;18var array = [1, 2, 3, 4, 5];19var arrayByteLength = arrayByteLength(array);20console.log(arrayByteLength);21var wptoolkit = require('wptoolkit');22var arrayByteLength = wptoolkit.arrayByteLength;23var array = [1, 2, 3, 4, 5];24var arrayByteLength = arrayByteLength(array);25console.log(arrayByteLength);26var wptoolkit = require('wptoolkit');27var arrayByteLength = wptoolkit.arrayByteLength;28var array = [1, 2, 3, 4, 5];29var arrayByteLength = arrayByteLength(array);30console.log(arrayByteLength);

Using AI Code Generation

1var wptb = require('wptb');2var testArray = [1,2,3,4,5];3var testArray2 = [1,2,3,4,5,6,7,8,9,10];4var testArray3 = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15];5console.log(wptb.arrayByteLength(testArray));6console.log(wptb.arrayByteLength(testArray2));7console.log(wptb.arrayByteLength(testArray3));8var wptb = require('wptb');9var testArray = [1,2,3,4,5];10var testArray2 = [1,2,3,4,5,6,7,8,9,10];11var testArray3 = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15];12console.log(wptb.arrayByteLength(testArray));13console.log(wptb.arrayByteLength(testArray2));14console.log(wptb.arrayByteLength(testArray3));

Using AI Code Generation

1var decoder = new TextDecoder();2var buffer = new ArrayBuffer(100);3var view = new Uint8Array(buffer);4view[0] = 0x41;5view[1] = 0x42;6view[2] = 0x43;7decoder.decode(view);8decoder.decode(view, {stream: true});9decoder.decode();10decoder.decode(view, {stream: true});11(function(global) {12  'use strict';13  var TextDecoder = function(encoding, options) {14    if (!this || this === global) {15      return new TextDecoder(encoding, options);16    }17    var label = encoding ? String(encoding) : 'utf-8';18    var fatal = options ? Boolean(options.fatal) : false;19    var ignoreBOM = options ? Boolean(options.ignoreBOM) : false;20    var decoder = new TextDecoder(label, {fatal: fatal});21    this.decode = function(input, options) {22      if (input === undefined) {23        return decoder.decode();24      }25      if (options && options.stream) {26        return decoder.decode(input, {stream: true});27      }28      return decoder.decode(input);29    };30  };31  global.TextDecoder = TextDecoder;32})(this);33(function(global) {34  'use strict';35  var TextEncoder = function() {36    if (!this || this === global) {37      return new TextEncoder();38    }39    this.encode = function(input) {40      return new Uint8Array(0);41    };42  };43  global.TextEncoder = TextEncoder;44})(this);45(function(global) {46  'use strict';47  var TextDecoder = function(encoding, options) {48    if (!this || this === global) {49      return new TextDecoder(encoding, options);50    }51    var label = encoding ? String(encoding) : 'utf-8';52    var fatal = options ? Boolean(options.fatal) : false;53    var ignoreBOM = options ? Boolean(options.ignoreBOM) : false;54    var decoder = new TextDecoder(label, {fatal: fatal});55    this.decode = function(input, options) {56      if (input === undefined) {57        return decoder.decode();58      }59      if (options && options.stream) {60        return decoder.decode(input, {stream: true});61      }62      return decoder.decode(input);

Using AI Code Generation

1let encoder = new TextEncoder('utf-8');2let encoded = encoder.encode('Hello World');3let length = encoded.byteLength;4let decoder = new TextDecoder('utf-8');5let decoded = decoder.decode(encoded);6let length = decoded.byteLength;

Using AI Code Generation

1var buffer = new ArrayBuffer(8);2var view = new Int32Array(buffer);3var arrayByteLength = view.byteLength;4console.log(arrayByteLength);5var buffer = new ArrayBuffer(8);6var view = new Int32Array(buffer);7var arrayByteLength = view.byteLength;8console.log(arrayByteLength);9var buffer = new ArrayBuffer(8);10var view = new Int32Array(buffer);11var arrayByteLength = view.byteLength;12console.log(arrayByteLength);13var buffer = new ArrayBuffer(8);14var view = new Int32Array(buffer);15var arrayByteLength = view.byteLength;16console.log(arrayByteLength);17var buffer = new ArrayBuffer(8);18var view = new Int32Array(buffer);19var arrayByteLength = view.byteLength;20console.log(arrayByteLength);21var buffer = new ArrayBuffer(8);22var view = new Int32Array(buffer);23var arrayByteLength = view.byteLength;24console.log(arrayByteLength);25var buffer = new ArrayBuffer(8);26var view = new Int32Array(buffer);27var arrayByteLength = view.byteLength;28console.log(arrayByteLength);29var buffer = new ArrayBuffer(8);30var view = new Int32Array(buffer);31var arrayByteLength = view.byteLength;32console.log(arrayByteLength);33var buffer = new ArrayBuffer(8);34var view = new Int32Array(buffer);35var arrayByteLength = view.byteLength;36console.log(arrayByteLength);37var buffer = new ArrayBuffer(8);38var view = new Int32Array(buffer);39var arrayByteLength = view.byteLength;40console.log(arrayByteLength);41var buffer = new ArrayBuffer(8);42var view = new Int32Array(buffer);43var arrayByteLength = view.byteLength;44console.log(arrayByteLength);45var buffer = new ArrayBuffer(8);46var view = new Int32Array(buffer);

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