@loaders.gl/json/dist/lib/encoder-utils/utf8-encoder.js

Framework-independent loader for JSON and streaming JSON formats

// loaders.gl
// SPDX-License-Identifier: MIT
/* global TextEncoder */
export class Utf8ArrayBufferEncoder {
    chunkSize;
    strings = [];
    totalLength = 0;
    textEncoder = new TextEncoder();
    constructor(chunkSize) {
        this.chunkSize = chunkSize;
    }
    push(...strings) {
        for (const string of strings) {
            this.strings.push(string);
            this.totalLength += string.length;
        }
    }
    isFull() {
        return this.totalLength >= this.chunkSize;
    }
    getArrayBufferBatch() {
        return this.textEncoder.encode(this.getStringBatch()).buffer;
    }
    getStringBatch() {
        const stringChunk = this.strings.join('');
        this.strings = [];
        this.totalLength = 0;
        return stringChunk;
    }
}