TypeScriptToLua/src/lualib/NumberToFixed.ts at master · TypeScriptToLua/TypeScriptToLua

14 lines (14 loc) · 707 Bytes

/// https://www.ecma-international.org/ecma-262/10.0/index.html#sec-number.prototype.tofixed
export function __TS__NumberToFixed(this: number, fractionDigits?: number): string {
    if (Math.abs(this) >= 1e21 || this !== this) {
        return this.toString();
    }
    const f = Math.floor(fractionDigits ?? 0);
    // reduced to 99 as string.format only supports 2-digit numbers
    if (f < 0 || f > 99) {
        throw "toFixed() digits argument must be between 0 and 99";
    }
    // throws "invalid format (width or precision too long)" if strlen > 99
    // if (f < 80) return fmt; else try {return fmt} catch(_) { throw "toFixed() digits argument..." }
    return string.format(`%.${f}f`, this);
}

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Expand file tree

Search code, repositories, users, issues, pull requests...

Uh oh!

FilesExpand file tree

NumberToFixed.ts

Latest commit

History

NumberToFixed.ts

File metadata and controls

Expand file tree