31 lines
819 B
TypeScript
31 lines
819 B
TypeScript
import FigletFonts from './figletFonts';
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import { MissingTextError, FontNotFoundError } from './errors';
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const figletFonts = new FigletFonts();
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async function doesFontExist(font: string) {
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const fontLowercased = font.toLowerCase();
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const fonts: Array<string> = await figletFonts.fonts;
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return fonts.findIndex((_font) => _font.toLowerCase() === fontLowercased) === -1;
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}
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const requiredQueryMiddleware = async (req, res, next) => {
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const { text, font = '' } = req.query;
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let error = null;
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if (!text || text?.length === 0) {
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error = new MissingTextError();
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}
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if (font && (await doesFontExist(font))) {
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error = new FontNotFoundError(font, error);
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}
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if (error) return res.status(error?.statusCode || 500).send(error?.message);
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return next();
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};
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export default requiredQueryMiddleware;
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