提交室内导览交互与讲解优化

src/config/dataSource.ts

@@ -0,0 +1,48 @@
+export type DataSourceMode = 'static' | 'api' | 'sdk'
+
+const allowedModes = new Set<DataSourceMode>(['static', 'api', 'sdk'])
+const defaultSdkScriptUrl = '/static/sgs-map-sdk/index.global.js'
+const defaultSgsEngineUrl = '/h5-sdk'
+const defaultSdkTimeoutMs = 5000
+
+const normalizeMode = (mode: string | undefined): DataSourceMode => {
+  if (mode && allowedModes.has(mode as DataSourceMode)) {
+    return mode as DataSourceMode
+  }
+
+  return 'static'
+}
+
+const normalizeUrl = (url: string | undefined, fallback: string) => {
+  const normalized = url?.trim()
+  return normalized || fallback
+}
+
+const normalizeTimeout = (timeoutValue: string | undefined) => {
+  const timeout = Number(timeoutValue)
+  return Number.isFinite(timeout) && timeout > 0 ? timeout : defaultSdkTimeoutMs
+}
+
+const inferOrigin = (url: string) => {
+  if (typeof window === 'undefined') return ''
+
+  try {
+    return new URL(url, window.location.origin).origin
+  } catch {
+    return window.location.origin
+  }
+}
+
+export const dataSourceConfig = {
+  mode: normalizeMode(import.meta.env.VITE_DATA_SOURCE_MODE),
+  sgsSdkScriptUrl: normalizeUrl(import.meta.env.VITE_SGS_SDK_SCRIPT_URL, defaultSdkScriptUrl),
+  sgsMapEngineUrl: normalizeUrl(import.meta.env.VITE_SGS_H5_ENGINE_URL, defaultSgsEngineUrl),
+  sgsSdkTargetOrigin: import.meta.env.VITE_SGS_SDK_ORIGIN?.trim() || '',
+  sgsSdkTimeoutMs: normalizeTimeout(import.meta.env.VITE_SGS_SDK_TIMEOUT_MS)
+}
+
+export const isSgsSdkMode = () => dataSourceConfig.mode === 'sdk'
+
+export const getSgsMapTargetOrigin = () => (
+  dataSourceConfig.sgsSdkTargetOrigin || inferOrigin(dataSourceConfig.sgsMapEngineUrl)
+)