File size: 1,207 Bytes
a5d718a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | // 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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