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fea495a | 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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | import { HeadersAdapter } from '../web/spec-extension/adapters/headers';
import { PRERENDER_REVALIDATE_HEADER, PRERENDER_REVALIDATE_ONLY_GENERATED_HEADER } from '../../lib/constants';
import { getTracer } from '../lib/trace/tracer';
import { NodeSpan } from '../lib/trace/constants';
export function wrapApiHandler(page, handler) {
return (...args)=>{
getTracer().setRootSpanAttribute('next.route', page);
// Call API route method
return getTracer().trace(NodeSpan.runHandler, {
spanName: `executing api route (pages) ${page}`
}, ()=>handler(...args));
};
}
/**
*
* @param res response object
* @param statusCode `HTTP` status code of response
*/ export function sendStatusCode(res, statusCode) {
res.statusCode = statusCode;
return res;
}
/**
*
* @param res response object
* @param [statusOrUrl] `HTTP` status code of redirect
* @param url URL of redirect
*/ export function redirect(res, statusOrUrl, url) {
if (typeof statusOrUrl === 'string') {
url = statusOrUrl;
statusOrUrl = 307;
}
if (typeof statusOrUrl !== 'number' || typeof url !== 'string') {
throw Object.defineProperty(new Error(`Invalid redirect arguments. Please use a single argument URL, e.g. res.redirect('/destination') or use a status code and URL, e.g. res.redirect(307, '/destination').`), "__NEXT_ERROR_CODE", {
value: "E389",
enumerable: false,
configurable: true
});
}
res.writeHead(statusOrUrl, {
Location: url
});
res.write(url);
res.end();
return res;
}
export function checkIsOnDemandRevalidate(req, previewProps) {
const headers = HeadersAdapter.from(req.headers);
const previewModeId = headers.get(PRERENDER_REVALIDATE_HEADER);
const isOnDemandRevalidate = previewModeId === previewProps.previewModeId;
const revalidateOnlyGenerated = headers.has(PRERENDER_REVALIDATE_ONLY_GENERATED_HEADER);
return {
isOnDemandRevalidate,
revalidateOnlyGenerated
};
}
export const COOKIE_NAME_PRERENDER_BYPASS = `__prerender_bypass`;
export const COOKIE_NAME_PRERENDER_DATA = `__next_preview_data`;
export const RESPONSE_LIMIT_DEFAULT = 4 * 1024 * 1024;
export const SYMBOL_PREVIEW_DATA = Symbol(COOKIE_NAME_PRERENDER_DATA);
export const SYMBOL_CLEARED_COOKIES = Symbol(COOKIE_NAME_PRERENDER_BYPASS);
export function clearPreviewData(res, options = {}) {
if (SYMBOL_CLEARED_COOKIES in res) {
return res;
}
const { serialize } = require('next/dist/compiled/cookie');
const previous = res.getHeader('Set-Cookie');
res.setHeader(`Set-Cookie`, [
...typeof previous === 'string' ? [
previous
] : Array.isArray(previous) ? previous : [],
serialize(COOKIE_NAME_PRERENDER_BYPASS, '', {
// To delete a cookie, set `expires` to a date in the past:
// https://tools.ietf.org/html/rfc6265#section-4.1.1
// `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted.
expires: new Date(0),
httpOnly: true,
sameSite: process.env.NODE_ENV !== 'development' ? 'none' : 'lax',
secure: process.env.NODE_ENV !== 'development',
path: '/',
...options.path !== undefined ? {
path: options.path
} : undefined
}),
serialize(COOKIE_NAME_PRERENDER_DATA, '', {
// To delete a cookie, set `expires` to a date in the past:
// https://tools.ietf.org/html/rfc6265#section-4.1.1
// `Max-Age: 0` is not valid, thus ignored, and the cookie is persisted.
expires: new Date(0),
httpOnly: true,
sameSite: process.env.NODE_ENV !== 'development' ? 'none' : 'lax',
secure: process.env.NODE_ENV !== 'development',
path: '/',
...options.path !== undefined ? {
path: options.path
} : undefined
})
]);
Object.defineProperty(res, SYMBOL_CLEARED_COOKIES, {
value: true,
enumerable: false
});
return res;
}
/**
* Custom error class
*/ export class ApiError extends Error {
constructor(statusCode, message){
super(message);
this.statusCode = statusCode;
}
}
/**
* Sends error in `response`
* @param res response object
* @param statusCode of response
* @param message of response
*/ export function sendError(res, statusCode, message) {
res.statusCode = statusCode;
res.statusMessage = message;
res.end(message);
}
/**
* Execute getter function only if its needed
* @param LazyProps `req` and `params` for lazyProp
* @param prop name of property
* @param getter function to get data
*/ export function setLazyProp({ req }, prop, getter) {
const opts = {
configurable: true,
enumerable: true
};
const optsReset = {
...opts,
writable: true
};
Object.defineProperty(req, prop, {
...opts,
get: ()=>{
const value = getter();
// we set the property on the object to avoid recalculating it
Object.defineProperty(req, prop, {
...optsReset,
value
});
return value;
},
set: (value)=>{
Object.defineProperty(req, prop, {
...optsReset,
value
});
}
});
}
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