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workflow-fix

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endpoints.ts

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/// <reference types="node" />

import * as path from 'path';

import * as fs from 'fs';

export interface ContentstackEndpoints {

[key: string]: string | ContentstackEndpoints;

}

export interface RegionData {

id: string;

name: string;

cloudProvider: string;

location: string;

alias: string[];

isDefault: boolean;

endpoints: ContentstackEndpoints;

}

export interface RegionsResponse {

regions: RegionData[];

}

// Load regions.json at runtime from the dist/lib directory

function loadRegions(): RegionsResponse {

// Only look for regions.json in dist/lib directory

const regionsPath = path.join(process.cwd(), 'dist', 'lib', 'regions.json');

if (fs.existsSync(regionsPath)) {

try {

const regionsData = fs.readFileSync(regionsPath, 'utf-8');

return JSON.parse(regionsData);

} catch (error) {

throw new Error(`Failed to parse regions.json: ${error instanceof Error ? error.message : String(error)}`);

}

}

// If not found, throw clear error

throw new Error('regions.json file not found at dist/lib/regions.json. Please ensure the package is properly installed and postinstall script has run.');

}

// Cache the loaded regions data

let cachedRegions: RegionsResponse | null = null;

function getRegions(): RegionsResponse {

if (!cachedRegions) {

cachedRegions = loadRegions();

}

return cachedRegions;

}

export function getContentstackEndpoint(region: string = 'us', service: string = '', omitHttps: boolean = false): string | ContentstackEndpoints {

// Validate empty region before any processing

if (region === '') {

console.warn('Invalid region: empty or invalid region provided');

throw new Error('Unable to set the host. Please put valid host');

}

try {

const regionsData: RegionsResponse = getRegions();

// Normalize the region input

const normalizedRegion = region.toLowerCase().trim() || 'us';

// Check if regions data is malformed

if (!Array.isArray(regionsData.regions)) {

throw new Error('Invalid Regions file. Please install the SDK again to fix this issue.');

}

// Find the region by ID or alias

const regionData = findRegionByIDOrAlias(regionsData.regions, normalizedRegion);

if (!regionData) {

// Check if this looks like a legacy format that should throw an error

if (region.includes('_') || region.includes('-')) {

const parts = region.split(/[-_]/);

if (parts.length >= 2) {

console.warn(`Invalid region combination.`);

throw new Error('Region Invalid. Please use a valid region identifier.');

}

}

console.warn('Invalid region:', region, '(normalized:', normalizedRegion + ')');

console.warn('Failed to fetch endpoints:', new Error(`Invalid region: ${region}`));

return getDefaultEndpoint(service, omitHttps);

}

// Get the endpoint(s)

let endpoint: string | ContentstackEndpoints;

if (service) {

// Return specific service endpoint

endpoint = regionData.endpoints[service];

if (!endpoint) {

// For invalid services, return undefined (as expected by some tests)

return undefined as unknown as ContentstackEndpoints;

}

} else {

return omitHttps ? stripHttps(regionData.endpoints) : regionData.endpoints;

}

return omitHttps ? stripHttps(endpoint) : endpoint;

} catch (error) {

console.warn('Failed to fetch endpoints:', error);

return getDefaultEndpoint(service, omitHttps);

}

}

function getDefaultEndpoint(service: string, omitHttps: boolean): string {

const regions = getRegions();

const defaultEndpoints: ContentstackEndpoints = regions.regions.find((r: RegionData) => r.isDefault)?.endpoints || {};

const value = defaultEndpoints[service];

const endpoint = typeof value === 'string' ? value : 'https://cdn.contentstack.io';

return omitHttps ? endpoint.replace(/^https?:\/\//, '') : endpoint;

}

function findRegionByIDOrAlias(regions: RegionData[], regionInput: string): RegionData | null {

// First try to find by exact ID match

let region = regions.find(r => r.id === regionInput);

if (region) {

return region;

}

// Then try to find by alias

region = regions.find(r =>

r.alias.some(alias => alias.toLowerCase() === regionInput.toLowerCase())

);

return region || null;

}

function stripHttps(endpoint: string | ContentstackEndpoints): string | ContentstackEndpoints {

if (typeof endpoint === 'string') {

return endpoint.replace(/^https?:\/\//, '');

} else {

const result: ContentstackEndpoints = {};

for (const key in endpoint) {

result[key] = stripHttps(endpoint[key]);

}

return result;

}

}