@jswalden/streaming-json/dist/utils/unicode.js

Streaming JSON parsing and stringification for JavaScript/TypeScript

import { StringCharCodeAt } from "../stdlib/string.js";
;
export function IsAsciiDigit(c) {
    return 48 <= c && c <= 57;
}
export function HexDigitToNumber(fragment, i) {
    let c = StringCharCodeAt(fragment, i);
    if (48 <= c && c <= 57)
        return c - 48;
    c &= ~32;
    if (65 <= c && c <= 70)
        return c - 65 + 10;
    return null;
}
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