s2-tools/dist/writers/index.js

A collection of geospatial tools primarily designed for WGS84, Web Mercator, and S2.

export * from './pmtiles';
/** Buffer writer is used on smaller datasets that are easy to write in memory. Faster then the Filesystem */
export class BufferWriter {
    #buffer = [];
    #textEncoder = new TextEncoder();
    /**
     * Append data to the buffer
     * @param data - the data to append
     */
    async append(data) {
        for (let i = 0; i < data.byteLength; i++)
            this.#buffer.push(data[i]);
        await true;
    }
    /**
     * Append string to the buffer
     * @param string - the string to append
     */
    async appendString(string) {
        await this.append(this.#textEncoder.encode(string));
    }
    /**
     * Append data to the buffer synchronously
     * @param data - the data to append
     */
    appendSync(data) {
        for (let i = 0; i < data.byteLength; i++)
            this.#buffer.push(data[i]);
    }
    /**
     * Append string to the buffer synchronously
     * @param string - the string to append
     */
    appendStringSync(string) {
        this.appendSync(this.#textEncoder.encode(string));
    }
    /**
     * Write data to the buffer
     * @param data - the data to write
     * @param offset - where in the buffer to start
     */
    async write(data, offset) {
        for (let i = 0; i < data.byteLength; i++) {
            this.#buffer[offset + i] = data[i];
        }
        await true;
    }
    /** @returns - the buffer */
    commit() {
        return new Uint8Array(this.#buffer);
    }
}
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