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>
55 lines
1.4 KiB
Text
55 lines
1.4 KiB
Text
import type { StringReader, StringWriter } from './strings';
|
|
|
|
export const comma = ','.charCodeAt(0);
|
|
export const semicolon = ';'.charCodeAt(0);
|
|
|
|
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
|
|
const intToChar = new Uint8Array(64); // 64 possible chars.
|
|
const charToInt = new Uint8Array(128); // z is 122 in ASCII
|
|
|
|
for (let i = 0; i < chars.length; i++) {
|
|
const c = chars.charCodeAt(i);
|
|
intToChar[i] = c;
|
|
charToInt[c] = i;
|
|
}
|
|
|
|
export function decodeInteger(reader: StringReader, relative: number): number {
|
|
let value = 0;
|
|
let shift = 0;
|
|
let integer = 0;
|
|
|
|
do {
|
|
const c = reader.next();
|
|
integer = charToInt[c];
|
|
value |= (integer & 31) << shift;
|
|
shift += 5;
|
|
} while (integer & 32);
|
|
|
|
const shouldNegate = value & 1;
|
|
value >>>= 1;
|
|
|
|
if (shouldNegate) {
|
|
value = -0x80000000 | -value;
|
|
}
|
|
|
|
return relative + value;
|
|
}
|
|
|
|
export function encodeInteger(builder: StringWriter, num: number, relative: number): number {
|
|
let delta = num - relative;
|
|
|
|
delta = delta < 0 ? (-delta << 1) | 1 : delta << 1;
|
|
do {
|
|
let clamped = delta & 0b011111;
|
|
delta >>>= 5;
|
|
if (delta > 0) clamped |= 0b100000;
|
|
builder.write(intToChar[clamped]);
|
|
} while (delta > 0);
|
|
|
|
return num;
|
|
}
|
|
|
|
export function hasMoreVlq(reader: StringReader, max: number) {
|
|
if (reader.pos >= max) return false;
|
|
return reader.peek() !== comma;
|
|
}
|