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node_modules/next/dist/esm/shared/lib/utils.js

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+/**
+ * Web vitals provided to _app.reportWebVitals by Core Web Vitals plugin developed by Google Chrome team.
+ * https://nextjs.org/blog/next-9-4#integrated-web-vitals-reporting
+ */ export const WEB_VITALS = [
+    'CLS',
+    'FCP',
+    'FID',
+    'INP',
+    'LCP',
+    'TTFB'
+];
+/**
+ * Utils
+ */ export function execOnce(fn) {
+    let used = false;
+    let result;
+    return (...args)=>{
+        if (!used) {
+            used = true;
+            result = fn(...args);
+        }
+        return result;
+    };
+}
+// Scheme: https://tools.ietf.org/html/rfc3986#section-3.1
+// Absolute URL: https://tools.ietf.org/html/rfc3986#section-4.3
+const ABSOLUTE_URL_REGEX = /^[a-zA-Z][a-zA-Z\d+\-.]*?:/;
+export const isAbsoluteUrl = (url)=>ABSOLUTE_URL_REGEX.test(url);
+export function getLocationOrigin() {
+    const { protocol, hostname, port } = window.location;
+    return `${protocol}//${hostname}${port ? ':' + port : ''}`;
+}
+export function getURL() {
+    const { href } = window.location;
+    const origin = getLocationOrigin();
+    return href.substring(origin.length);
+}
+export function getDisplayName(Component) {
+    return typeof Component === 'string' ? Component : Component.displayName || Component.name || 'Unknown';
+}
+export function isResSent(res) {
+    return res.finished || res.headersSent;
+}
+export function normalizeRepeatedSlashes(url) {
+    const urlParts = url.split('?');
+    const urlNoQuery = urlParts[0];
+    return urlNoQuery// first we replace any non-encoded backslashes with forward
+    // then normalize repeated forward slashes
+    .replace(/\\/g, '/').replace(/\/\/+/g, '/') + (urlParts[1] ? `?${urlParts.slice(1).join('?')}` : '');
+}
+export async function loadGetInitialProps(App, ctx) {
+    if (process.env.NODE_ENV !== 'production') {
+        if (App.prototype?.getInitialProps) {
+            const message = `"${getDisplayName(App)}.getInitialProps()" is defined as an instance method - visit https://nextjs.org/docs/messages/get-initial-props-as-an-instance-method for more information.`;
+            throw Object.defineProperty(new Error(message), "__NEXT_ERROR_CODE", {
+                value: "E1035",
+                enumerable: false,
+                configurable: true
+            });
+        }
+    }
+    // when called from _app `ctx` is nested in `ctx`
+    const res = ctx.res || ctx.ctx && ctx.ctx.res;
+    if (!App.getInitialProps) {
+        if (ctx.ctx && ctx.Component) {
+            // @ts-ignore pageProps default
+            return {
+                pageProps: await loadGetInitialProps(ctx.Component, ctx.ctx)
+            };
+        }
+        return {};
+    }
+    const props = await App.getInitialProps(ctx);
+    if (res && isResSent(res)) {
+        return props;
+    }
+    if (!props) {
+        const message = `"${getDisplayName(App)}.getInitialProps()" should resolve to an object. But found "${props}" instead.`;
+        throw Object.defineProperty(new Error(message), "__NEXT_ERROR_CODE", {
+            value: "E1025",
+            enumerable: false,
+            configurable: true
+        });
+    }
+    if (process.env.NODE_ENV !== 'production') {
+        if (Object.keys(props).length === 0 && !ctx.ctx) {
+            console.warn(`${getDisplayName(App)} returned an empty object from \`getInitialProps\`. This de-optimizes and prevents automatic static optimization. https://nextjs.org/docs/messages/empty-object-getInitialProps`);
+        }
+    }
+    return props;
+}
+export const SP = typeof performance !== 'undefined';
+export const ST = SP && [
+    'mark',
+    'measure',
+    'getEntriesByName'
+].every((method)=>typeof performance[method] === 'function');
+export class DecodeError extends Error {
+}
+export class NormalizeError extends Error {
+}
+export class PageNotFoundError extends Error {
+    constructor(page){
+        super();
+        this.code = 'ENOENT';
+        this.name = 'PageNotFoundError';
+        this.message = `Cannot find module for page: ${page}`;
+    }
+}
+export class MissingStaticPage extends Error {
+    constructor(page, message){
+        super();
+        this.message = `Failed to load static file for page: ${page} ${message}`;
+    }
+}
+export class MiddlewareNotFoundError extends Error {
+    constructor(){
+        super();
+        this.code = 'ENOENT';
+        this.message = `Cannot find the middleware module`;
+    }
+}
+export function stringifyError(error) {
+    return JSON.stringify({
+        message: error.message,
+        stack: error.stack
+    });
+}
+
+//# sourceMappingURL=utils.js.map