91 lines
2.3 KiB
TypeScript
91 lines
2.3 KiB
TypeScript
/**
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* Vite configuration for the DMS frontend application.
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*/
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import { defineConfig, loadEnv } from 'vite';
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/**
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* Parses a comma-separated environment value into normalized entries.
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*
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* @param rawValue Raw comma-separated value.
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* @returns List of non-empty normalized entries.
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*/
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function parseCsvList(rawValue: string | undefined): string[] {
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if (!rawValue) {
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return [];
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}
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return rawValue
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.split(',')
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.map((entry) => entry.trim())
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.filter((entry) => entry.length > 0);
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}
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/**
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* Extracts hostnames from CORS origin values.
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*
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* @param rawValue JSON array string or comma-separated origin list.
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* @returns Hostnames parsed from valid origins.
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*/
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function parseCorsOriginHosts(rawValue: string | undefined): string[] {
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if (!rawValue) {
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return [];
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}
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let origins: string[] = [];
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try {
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const parsedOrigins = JSON.parse(rawValue);
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if (Array.isArray(parsedOrigins)) {
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origins = parsedOrigins.filter((entry): entry is string => typeof entry === 'string');
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} else if (typeof parsedOrigins === 'string') {
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origins = [parsedOrigins];
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}
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} catch {
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origins = parseCsvList(rawValue);
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}
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return origins.flatMap((origin) => {
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try {
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const parsedUrl = new URL(origin);
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return parsedUrl.hostname ? [parsedUrl.hostname] : [];
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} catch {
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return [];
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}
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});
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}
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/**
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* Builds the Vite allowed host list from environment-driven inputs.
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*
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* @param env Environment variable key-value map.
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* @returns De-duplicated hostnames, or undefined to keep Vite defaults.
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*/
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function buildAllowedHosts(env: Record<string, string>): string[] | undefined {
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const explicitHosts = parseCsvList(env.VITE_ALLOWED_HOSTS);
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const corsOriginHosts = parseCorsOriginHosts(env.CORS_ORIGINS);
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const mergedHosts = Array.from(new Set([...explicitHosts, ...corsOriginHosts]));
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return mergedHosts.length > 0 ? mergedHosts : undefined;
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}
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/**
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* Exports frontend build and dev-server settings.
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*/
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export default defineConfig(({ mode }) => {
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const env = loadEnv(mode, process.cwd(), '');
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const allowedHosts = buildAllowedHosts(env);
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return {
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server: {
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host: '0.0.0.0',
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port: 5173,
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...(allowedHosts ? { allowedHosts } : {}),
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},
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preview: {
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host: '0.0.0.0',
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port: 5173,
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...(allowedHosts ? { allowedHosts } : {}),
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},
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};
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});
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