Follow as a clean architecture

src/content/repositories/FollowKeyRepository.ts

@@ -0,0 +1,35 @@
+export default interface FollowKeyRepository {
+  getKeys(): string[];
+
+  pushKey(key: string): void;
+
+  popKey(): void;
+
+  clearKeys(): void;
+
+  // eslint-disable-next-line semi
+}
+
+const current: {
+  keys: string[];
+} = {
+  keys: [],
+};
+
+export class FollowKeyRepositoryImpl implements FollowKeyRepository {
+  getKeys(): string[] {
+    return current.keys;
+  }
+
+  pushKey(key: string): void {
+    current.keys.push(key);
+  }
+
+  popKey(): void {
+    current.keys.pop();
+  }
+
+  clearKeys(): void {
+    current.keys = [];
+  }
+}

src/content/repositories/FollowMasterRepository.ts

@@ -0,0 +1,59 @@
+export default interface FollowMasterRepository {
+  setCurrentFollowMode(newTab: boolean, background: boolean): void;
+
+  getTags(): string[];
+
+  getTagsByPrefix(prefix: string): string[];
+
+  addTag(tag: string): void;
+
+  clearTags(): void;
+
+  getCurrentNewTabMode(): boolean;
+
+  getCurrentBackgroundMode(): boolean;
+
+  // eslint-disable-next-line semi
+}
+
+const current: {
+  newTab: boolean;
+  background: boolean;
+  tags: string[];
+} = {
+  newTab: false,
+  background: false,
+  tags: [],
+};
+
+export class FollowMasterRepositoryImpl implements FollowMasterRepository {
+  setCurrentFollowMode(newTab: boolean, background: boolean): void {
+    current.newTab = newTab;
+    current.background = background;
+  }
+
+  getTags(): string[] {
+    return current.tags;
+  }
+
+  getTagsByPrefix(prefix: string): string[] {
+    return current.tags.filter(t => t.startsWith(prefix));
+  }
+
+  addTag(tag: string): void {
+    current.tags.push(tag);
+  }
+
+  clearTags(): void {
+    current.tags = [];
+  }
+
+  getCurrentNewTabMode(): boolean {
+    return current.newTab;
+  }
+
+  getCurrentBackgroundMode(): boolean {
+    return current.background;
+  }
+}
+

src/content/repositories/FollowSlaveRepository.ts

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+export default interface FollowSlaveRepository {
+  enableFollowMode(): void;
+
+  disableFollowMode(): void;
+
+  isFollowMode(): boolean;
+
+  // eslint-disable-next-line semi
+}
+
+const current: {
+  enabled: boolean;
+} = {
+  enabled: false,
+};
+
+export class FollowSlaveRepositoryImpl implements FollowSlaveRepository {
+  enableFollowMode(): void {
+    current.enabled = true;
+  }
+
+  disableFollowMode(): void {
+    current.enabled = false;
+  }
+
+  isFollowMode(): boolean {
+    return current.enabled;
+  }
+}
+
+