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Viewing / Editing File: compose.js

// src/compose.ts
var compose = (middleware, onError, onNotFound) => {
  return (context, next) => {
    let index = -1;
    return dispatch(0);
    async function dispatch(i) {
      if (i <= index) {
        throw new Error("next() called multiple times");
      }
      index = i;
      let res;
      let isError = false;
      let handler;
      if (middleware[i]) {
        handler = middleware[i][0][0];
        context.req.routeIndex = i;
      } else {
        handler = i === middleware.length && next || void 0;
      }
      if (handler) {
        try {
          res = await handler(context, () => dispatch(i + 1));
        } catch (err) {
          if (err instanceof Error && onError) {
            context.error = err;
            res = await onError(err, context);
            isError = true;
          } else {
            throw err;
          }
        }
      } else {
        if (context.finalized === false && onNotFound) {
          res = await onNotFound(context);
        }
      }
      if (res && (context.finalized === false || isError)) {
        context.res = res;
      }
      return context;
    }
  };
};
export {
  compose
};

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Viewing / Editing File: compose.js

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