DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
71 lines
2 KiB
Text
71 lines
2 KiB
Text
/**
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* @license
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* Copyright 2021 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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const btoa_ = typeof btoa !== 'undefined' ?
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btoa :
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/** @param {string} str */
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(str) => Buffer.from(str).toString('base64');
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const atob_ = typeof atob !== 'undefined' ?
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atob :
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/** @param {string} str */
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(str) => Buffer.from(str, 'base64').toString();
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/**
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* Takes an UTF-8 string and returns a base64 encoded string.
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* If gzip is true, the UTF-8 bytes are gzipped before base64'd, using
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* CompressionStream (currently only in Chrome), falling back to pako
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* (which is only used to encode in our Node tests).
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* @param {string} string
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* @param {{gzip: boolean}} options
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* @return {Promise<string>}
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*/
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async function toBase64(string, options) {
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let bytes = new TextEncoder().encode(string);
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if (options.gzip) {
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if (typeof CompressionStream !== 'undefined') {
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const cs = new CompressionStream('gzip');
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const writer = cs.writable.getWriter();
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writer.write(bytes);
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writer.close();
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const compAb = await new Response(cs.readable).arrayBuffer();
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bytes = new Uint8Array(compAb);
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} else {
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/** @type {import('pako')=} */
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const pako = window.pako;
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bytes = pako.gzip(string);
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}
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}
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let binaryString = '';
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// This is ~25% faster than building the string one character at a time.
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// https://jsbench.me/2gkoxazvjl
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const chunkSize = 5000;
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for (let i = 0; i < bytes.length; i += chunkSize) {
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binaryString += String.fromCharCode(...bytes.subarray(i, i + chunkSize));
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}
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return btoa_(binaryString);
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}
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/**
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* @param {string} encoded
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* @param {{gzip: boolean}} options
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* @return {string}
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*/
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function fromBase64(encoded, options) {
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const binaryString = atob_(encoded);
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const bytes = Uint8Array.from(binaryString, c => c.charCodeAt(0));
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if (options.gzip) {
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/** @type {import('pako')=} */
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const pako = window.pako;
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return pako.ungzip(bytes, {to: 'string'});
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} else {
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return new TextDecoder().decode(bytes);
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}
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}
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export const TextEncoding = {toBase64, fromBase64};
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