重构duckduckgo邮箱获取

2026-05-12 02:26:46 +08:00
parent 745010d6c9
commit f81cc74c29
16 changed files with 492 additions and 53 deletions
@@ -0,0 +1,87 @@
+(function attachBackgroundRegistrationEmailState(root, factory) {
+  root.MultiPageRegistrationEmailState = factory();
+})(typeof self !== 'undefined' ? self : globalThis, function createBackgroundRegistrationEmailStateModule() {
+  const DEFAULT_REGISTRATION_EMAIL_STATE = Object.freeze({
+    current: '',
+    previous: '',
+    source: '',
+    updatedAt: 0,
+  });
+
+  function createRegistrationEmailStateHelpers() {
+    function normalizeEmailValue(value) {
+      return String(value || '').trim();
+    }
+
+    function cloneDefaultRegistrationEmailState() {
+      return {
+        current: DEFAULT_REGISTRATION_EMAIL_STATE.current,
+        previous: DEFAULT_REGISTRATION_EMAIL_STATE.previous,
+        source: DEFAULT_REGISTRATION_EMAIL_STATE.source,
+        updatedAt: DEFAULT_REGISTRATION_EMAIL_STATE.updatedAt,
+      };
+    }
+
+    function normalizeRegistrationEmailState(value, fallbackEmail = '') {
+      const fallback = normalizeEmailValue(fallbackEmail);
+      const candidate = value && typeof value === 'object' && !Array.isArray(value)
+        ? value
+        : null;
+      const current = normalizeEmailValue(candidate?.current || fallback);
+      const previous = normalizeEmailValue(candidate?.previous || current || fallback);
+      const source = String(candidate?.source || '').trim();
+      const updatedAt = Number(candidate?.updatedAt) || 0;
+      return {
+        current,
+        previous,
+        source,
+        updatedAt: updatedAt > 0 ? updatedAt : 0,
+      };
+    }
+
+    function getRegistrationEmailState(state = {}) {
+      return normalizeRegistrationEmailState(state?.registrationEmailState, state?.email);
+    }
+
+    function buildRegistrationEmailStateUpdates(state = {}, options = {}) {
+      const currentState = getRegistrationEmailState(state);
+      const currentEmail = normalizeEmailValue(options.currentEmail);
+      const preservePrevious = Boolean(options.preservePrevious);
+      const source = String(options.source || '').trim();
+      const nextState = cloneDefaultRegistrationEmailState();
+
+      nextState.current = currentEmail;
+      nextState.previous = currentEmail || (preservePrevious ? currentState.previous : '');
+      nextState.source = currentEmail
+        ? (source || currentState.source)
+        : (preservePrevious ? currentState.source : '');
+      nextState.updatedAt = currentEmail || (preservePrevious && currentState.previous)
+        ? Date.now()
+        : 0;
+
+      return {
+        email: currentEmail || null,
+        registrationEmailState: nextState,
+      };
+    }
+
+    function getRegistrationEmailBaseline(state = {}, options = {}) {
+      const currentState = getRegistrationEmailState(state);
+      const preferredEmail = normalizeEmailValue(options.preferredEmail);
+      const fallbackEmail = normalizeEmailValue(options.fallbackEmail);
+      return preferredEmail || currentState.current || currentState.previous || fallbackEmail || '';
+    }
+
+    return {
+      DEFAULT_REGISTRATION_EMAIL_STATE: cloneDefaultRegistrationEmailState(),
+      buildRegistrationEmailStateUpdates,
+      getRegistrationEmailBaseline,
+      getRegistrationEmailState,
+      normalizeRegistrationEmailState,
+    };
+  }
+
+  return {
+    createRegistrationEmailStateHelpers,
+  };
+});