@phi-ag/rvt/dist/cfb/blob.js

Parse Revit file format

export class BlobSource {
    #blob;
    size;
    constructor(blob) {
        this.#blob = blob;
        this.size = blob.size;
    }
    async sliceBytes(start, end) {
        return new Uint8Array(await this.#blob.slice(start, end).arrayBuffer());
    }
    async sliceView(start, end) {
        return new DataView(await this.#blob.slice(start, end).arrayBuffer());
    }
}