export function encodeFloatsLE(values) {
    const buffer = new Uint8Array(values.length * 4);
    const view = new DataView(buffer.buffer);
    for (let i = 0; i < values.length; i++) {
        view.setFloat32(i * 4, values[i], true);
    }
    return buffer;
}
export function encodeDoubleLE(values) {
    const buffer = new Uint8Array(values.length * Float64Array.BYTES_PER_ELEMENT);
    const view = new DataView(buffer.buffer);
    for (let i = 0; i < values.length; i++) {
        view.setFloat64(i * Float64Array.BYTES_PER_ELEMENT, values[i], true);
    }
    return buffer;
}
export function encodeUint32sLE(values) {
    const buffer = new Uint8Array(values.length * Uint32Array.BYTES_PER_ELEMENT);
    const view = new DataView(buffer.buffer);
    for (let i = 0; i < values.length; i++) {
        view.setUint32(i * Uint32Array.BYTES_PER_ELEMENT, values[i], true);
    }
    return buffer;
}
export function encodeUint64sLE(values) {
    const buffer = new Uint8Array(values.length * BigUint64Array.BYTES_PER_ELEMENT);
    const view = new DataView(buffer.buffer);
    for (let i = 0; i < values.length; i++) {
        view.setBigUint64(i * BigUint64Array.BYTES_PER_ELEMENT, values[i], true);
    }
    return buffer;
}
export function encodeBooleanRle(values) {
    // Pack booleans into bytes (8 booleans per byte)
    const numBytes = Math.ceil(values.length / 8);
    const packed = new Uint8Array(numBytes);
    for (let i = 0; i < values.length; i++) {
        if (values[i]) {
            const byteIndex = Math.floor(i / 8);
            const bitIndex = i % 8;
            packed[byteIndex] |= 1 << bitIndex;
        }
    }
    const result = new Uint8Array(1 + numBytes);
    result[0] = 256 - numBytes;
    result.set(packed, 1);
    return result;
}
export function encodeByteRle(values) {
    const result = [];
    let i = 0;
    while (i < values.length) {
        const currentByte = values[i];
        let runLength = 1;
        while (i + runLength < values.length && values[i + runLength] === currentByte && runLength < 131) {
            runLength++;
        }
        if (runLength >= 3) {
            const header = runLength - 3;
            result.push(Math.min(header, 0x7f));
            result.push(currentByte);
            i += runLength;
        }
        else {
            const literalStart = i;
            while (i < values.length) {
                let nextRunLength = 1;
                if (i + 1 < values.length) {
                    while (i + nextRunLength < values.length &&
                        values[i + nextRunLength] === values[i] &&
                        nextRunLength < 3) {
                        nextRunLength++;
                    }
                }
                if (nextRunLength >= 3) {
                    break;
                }
                i++;
                if (i - literalStart >= 128) {
                    break;
                }
            }
            const numLiterals = i - literalStart;
            const header = 256 - numLiterals;
            result.push(header);
            for (let j = literalStart; j < i; j++) {
                result.push(values[j]);
            }
        }
    }
    return new Uint8Array(result);
}
export function encodeStrings(strings) {
    const encoder = new TextEncoder();
    const encoded = strings.map((s) => encoder.encode(s));
    const totalLength = encoded.reduce((sum, arr) => sum + arr.length, 0);
    const result = new Uint8Array(totalLength);
    let offset = 0;
    for (const arr of encoded) {
        result.set(arr, offset);
        offset += arr.length;
    }
    return result;
}
export function createStringLengths(strings) {
    const lengths = new Uint32Array(strings.length);
    const encoder = new TextEncoder();
    for (let i = 0; i < strings.length; i++) {
        lengths[i] = encoder.encode(strings[i]).length;
    }
    return lengths;
}
export function concatenateBuffers(...buffers) {
    const totalLength = buffers.reduce((sum, buf) => sum + buf.length, 0);
    const result = new Uint8Array(totalLength);
    let offset = 0;
    for (const buffer of buffers) {
        result.set(buffer, offset);
        offset += buffer.length;
    }
    return result;
}
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