Declare setting types

src/background/controllers/SettingController.ts

@@ -1,5 +1,6 @@
 import SettingUseCase from '../usecases/SettingUseCase';
 import ContentMessageClient from '../infrastructures/ContentMessageClient';
+import Settings from '../../shared/Settings';
 
 export default class SettingController {
   private settingUseCase: SettingUseCase;
@@ -11,7 +12,7 @@ export default class SettingController {
     this.contentMessageClient = new ContentMessageClient();
   }
 
-  getSetting(): any {
+  getSetting(): Promise<Settings> {
     return this.settingUseCase.get();
   }
 

src/background/domains/GlobalMark.ts

@@ -1,6 +1,7 @@
-export interface GlobalMark {
+export default interface GlobalMark {
   readonly tabId: number;
   readonly url: string;
   readonly x: number;
   readonly y: number;
+  // eslint-disable-next-line semi
 }

src/background/domains/Setting.ts

@@ -1,59 +0,0 @@
-import DefaultSettings from '../../shared/settings/default';
-import * as settingsValues from '../../shared/settings/values';
-
-type SettingValue = {
-    source: string,
-    json: string,
-    form: any
-}
-
-export default class Setting {
-  private obj: SettingValue;
-
-  constructor({ source, json, form }: SettingValue) {
-    this.obj = {
-      source, json, form
-    };
-  }
-
-  get source(): string {
-    return this.obj.source;
-  }
-
-  get json(): string {
-    return this.obj.json;
-  }
-
-  get form(): any {
-    return this.obj.form;
-  }
-
-  value() {
-    let value = JSON.parse(DefaultSettings.json);
-    if (this.obj.source === 'json') {
-      value = settingsValues.valueFromJson(this.obj.json);
-    } else if (this.obj.source === 'form') {
-      value = settingsValues.valueFromForm(this.obj.form);
-    }
-    if (!value.properties) {
-      value.properties = {};
-    }
-    return { ...settingsValues.valueFromJson(DefaultSettings.json), ...value };
-  }
-
-  serialize(): SettingValue {
-    return this.obj;
-  }
-
-  static deserialize(obj: SettingValue): Setting {
-    return new Setting({ source: obj.source, json: obj.json, form: obj.form });
-  }
-
-  static defaultSettings() {
-    return new Setting({
-      source: DefaultSettings.source,
-      json: DefaultSettings.json,
-      form: {},
-    });
-  }
-}

src/background/repositories/PersistentSettingRepository.ts

@@ -1,12 +1,12 @@
-import Setting from '../domains/Setting';
+import SettingData from '../../shared/SettingData';
 
 export default class SettingRepository {
-  async load(): Promise<any> {
+  async load(): Promise<SettingData | null> {
     let { settings } = await browser.storage.local.get('settings');
     if (!settings) {
       return null;
     }
-    return Setting.deserialize(settings);
+    return SettingData.valueOf(settings);
   }
 }
 

src/background/repositories/SettingRepository.ts

@@ -1,4 +1,6 @@
 import MemoryStorage from '../infrastructures/MemoryStorage';
+import Settings from '../../shared/Settings';
+import * as PropertyDefs from '../../shared/property-defs';
 
 const CACHED_SETTING_KEY = 'setting';
 
@@ -9,17 +11,41 @@ export default class SettingRepository {
     this.cache = new MemoryStorage();
   }
 
-  get(): Promise<any> {
+  get(): Promise<Settings> {
     return Promise.resolve(this.cache.get(CACHED_SETTING_KEY));
   }
 
-  update(value: any): any {
+  update(value: Settings): void {
     return this.cache.set(CACHED_SETTING_KEY, value);
   }
 
-  async setProperty(name: string, value: string): Promise<any> {
+  async setProperty(
+    name: string, value: string | number | boolean,
+  ): Promise<void> {
+    let def = PropertyDefs.defs.find(d => name === d.name);
+    if (!def) {
+      throw new Error('unknown property: ' + name);
+    }
+    if (typeof value !== def.type) {
+      throw new TypeError(`property type of ${name} mismatch: ${typeof value}`);
+    }
+    let newValue = value;
+    if (typeof value === 'string' && value === '') {
+      newValue = def.defaultValue;
+    }
+
     let current = await this.get();
-    current.properties[name] = value;
+    switch (name) {
+    case 'hintchars':
+      current.properties.hintchars = newValue as string;
+      break;
+    case 'smoothscroll':
+      current.properties.smoothscroll = newValue as boolean;
+      break;
+    case 'complete':
+      current.properties.complete = newValue as string;
+      break;
+    }
     return this.update(current);
   }
 }

src/background/usecases/CommandUseCase.ts

@@ -6,7 +6,6 @@ import SettingRepository from '../repositories/SettingRepository';
 import BookmarkRepository from '../repositories/BookmarkRepository';
 import ConsoleClient from '../infrastructures/ConsoleClient';
 import ContentMessageClient from '../infrastructures/ContentMessageClient';
-import * as properties from '../../shared/settings/properties';
 
 export default class CommandIndicator {
   private tabPresenter: TabPresenter;
@@ -115,16 +114,16 @@ export default class CommandIndicator {
 
   async addbookmark(title: string): Promise<any> {
     let tab = await this.tabPresenter.getCurrent();
-    let item = await this.bookmarkRepository.create(title, tab.url);
+    let item = await this.bookmarkRepository.create(title, tab.url as string);
     let message = 'Saved current page: ' + item.url;
-    return this.consoleClient.showInfo(tab.id, message);
+    return this.consoleClient.showInfo(tab.id as number, message);
   }
 
   async set(keywords: string): Promise<any> {
     if (keywords.length === 0) {
       return;
     }
-    let [name, value] = parsers.parseSetOption(keywords, properties.types);
+    let [name, value] = parsers.parseSetOption(keywords);
     await this.settingRepository.setProperty(name, value);
 
     return this.contentMessageClient.broadcastSettingsChanged();

src/background/usecases/CompletionsUseCase.ts

@@ -4,7 +4,7 @@ import CompletionsRepository from '../repositories/CompletionsRepository';
 import * as filters from './filters';
 import SettingRepository from '../repositories/SettingRepository';
 import TabPresenter from '../presenters/TabPresenter';
-import * as properties from '../../shared/settings/properties';
+import * as PropertyDefs from '../../shared/property-defs';
 
 const COMPLETION_ITEM_LIMIT = 10;
 
@@ -44,7 +44,7 @@ export default class CompletionsUseCase {
     let settings = await this.settingRepository.get();
     let groups: CompletionGroup[] = [];
 
-    let complete = settings.properties.complete || properties.defaults.complete;
+    let complete = settings.properties.complete;
     for (let c of complete) {
       if (c === 's') {
         // eslint-disable-next-line no-await-in-loop
@@ -127,25 +127,25 @@ export default class CompletionsUseCase {
   }
 
   querySet(name: string, keywords: string): Promise<CompletionGroup[]> {
-    let items = Object.keys(properties.docs).map((key) => {
-      if (properties.types[key] === 'boolean') {
+    let items = PropertyDefs.defs.map((def) => {
+      if (def.type === 'boolean') {
         return [
           {
-            caption: key,
-            content: name + ' ' + key,
-            url: 'Enable ' + properties.docs[key],
+            caption: def.name,
+            content: name + ' ' + def.name,
+            url: 'Enable ' + def.description,
           }, {
-            caption: 'no' + key,
-            content: name + ' no' + key,
-            url: 'Disable ' + properties.docs[key],
+            caption: 'no' + def.name,
+            content: name + ' no' + def.name,
+            url: 'Disable ' + def.description
           }
         ];
       }
       return [
         {
-          caption: key,
-          content: name + ' ' + key,
-          url: 'Set ' + properties.docs[key],
+          caption: def.name,
+          content: name + ' ' + def.name,
+          url: 'Set ' + def.description,
         }
       ];
     });
@@ -195,8 +195,8 @@ export default class CompletionsUseCase {
       .map(filters.filterByTailingSlash)
       .map(pages => filters.filterByPathname(pages, COMPLETION_ITEM_LIMIT))
       .map(pages => filters.filterByOrigin(pages, COMPLETION_ITEM_LIMIT))[0]
-      .sort((x: HistoryItem, y: HistoryItem) => {
-        return Number(x.visitCount) < Number(y.visitCount);
+      .sort((x: HistoryItem, y: HistoryItem): number => {
+        return Number(x.visitCount) - Number(y.visitCount);
       })
       .slice(0, COMPLETION_ITEM_LIMIT);
     return histories.map(page => ({

src/background/usecases/SettingUseCase.ts

@@ -1,7 +1,8 @@
-import Setting from '../domains/Setting';
 // eslint-disable-next-line max-len
 import PersistentSettingRepository from '../repositories/PersistentSettingRepository';
 import SettingRepository from '../repositories/SettingRepository';
+import { DefaultSettingData } from '../../shared/SettingData';
+import Settings from '../../shared/Settings';
 
 export default class SettingUseCase {
   private persistentSettingRepository: PersistentSettingRepository;
@@ -13,20 +14,18 @@ export default class SettingUseCase {
     this.settingRepository = new SettingRepository();
   }
 
-  get(): Promise<any> {
+  get(): Promise<Settings> {
     return this.settingRepository.get();
   }
 
-  async reload(): Promise<any> {
-    let settings = await this.persistentSettingRepository.load();
-    if (!settings) {
-      settings = Setting.defaultSettings();
+  async reload(): Promise<Settings> {
+    let data = await this.persistentSettingRepository.load();
+    if (!data) {
+      data = DefaultSettingData;
     }
 
-    let value = settings.value();
-
+    let value = data.toSettings();
     this.settingRepository.update(value);
-
     return value;
   }
 }

src/background/usecases/parsers.ts

@@ -1,3 +1,5 @@
+import * as PropertyDefs from '../../shared//property-defs';
+
 const mustNumber = (v: any): number => {
   let num = Number(v);
   if (isNaN(num)) {
@@ -7,29 +9,28 @@ const mustNumber = (v: any): number => {
 };
 
 const parseSetOption = (
-  word: string,
-  types: { [key: string]: string },
+  args: string,
 ): any[] => {
-  let [key, value]: any[] = word.split('=');
+  let [key, value]: any[] = args.split('=');
   if (value === undefined) {
     value = !key.startsWith('no');
     key = value ? key : key.slice(2);
   }
-  let type = types[key];
-  if (!type) {
+  let def = PropertyDefs.defs.find(d => d.name === key);
+  if (!def) {
     throw new Error('Unknown property: ' + key);
   }
-  if (type === 'boolean' && typeof value !== 'boolean' ||
-       type !== 'boolean' && typeof value === 'boolean') {
-    throw new Error('Invalid argument: ' + word);
+  if (def.type === 'boolean' && typeof value !== 'boolean' ||
+       def.type !== 'boolean' && typeof value === 'boolean') {
+    throw new Error('Invalid argument: ' + args);
   }
 
-  switch (type) {
+  switch (def.type) {
   case 'string': return [key, value];
   case 'number': return [key, mustNumber(value)];
   case 'boolean': return [key, value];
   }
-  throw new Error('Unknown property type: ' + type);
+  throw new Error('Unknown property type: ' + def.type);
 };
 
 export { parseSetOption };

src/content/actions/index.ts

@@ -1,4 +1,5 @@
 import Redux from 'redux';
+import Settings from '../../shared/Settings';
 
 // Enable/disable
 export const ADDON_SET_ENABLED = 'addon.set.enabled';
@@ -45,7 +46,7 @@ export interface FindSetKeywordAction extends Redux.Action {
 
 export interface SettingSetAction extends Redux.Action {
   type: typeof SETTING_SET;
-  value: any;
+  settings: Settings,
 }
 
 export interface InputKeyPressAction extends Redux.Action {

src/content/actions/operation.ts

@@ -8,7 +8,6 @@ import * as urls from '../urls';
 import * as consoleFrames from '../console-frames';
 import * as addonActions from './addon';
 import * as markActions from './mark';
-import * as properties from '../../shared/settings/properties';
 
 // eslint-disable-next-line complexity, max-lines-per-function
 const exec = (
@@ -16,8 +15,7 @@ const exec = (
   settings: any,
   addonEnabled: boolean,
 ): Promise<actions.Action> | actions.Action => {
-  let smoothscroll = settings.properties.smoothscroll ||
-    properties.defaults.smoothscroll;
+  let smoothscroll = settings.properties.smoothscroll;
   switch (operation.type) {
   case operations.ADDON_ENABLE:
     return addonActions.enable();

src/content/actions/setting.ts

@@ -1,29 +1,20 @@
 import * as actions from './index';
-import * as keyUtils from '../../shared/utils/keys';
 import * as operations from '../../shared/operations';
 import * as messages from '../../shared/messages';
+import Settings, { Keymaps } from '../../shared/Settings';
 
-const reservedKeymaps = {
+const reservedKeymaps: Keymaps = {
   '<Esc>': { type: operations.CANCEL },
   '<C-[>': { type: operations.CANCEL },
 };
 
-const set = (value: any): actions.SettingAction => {
-  let entries: any[] = [];
-  if (value.keymaps) {
-    let keymaps = { ...value.keymaps, ...reservedKeymaps };
-    entries = Object.entries(keymaps).map((entry) => {
-      return [
-        keyUtils.fromMapKeys(entry[0]),
-        entry[1],
-      ];
-    });
-  }
-
+const set = (settings: Settings): actions.SettingAction => {
   return {
     type: actions.SETTING_SET,
-    value: { ...value,
-      keymaps: entries, }
+    settings: {
+      ...settings,
+      keymaps: { ...settings.keymaps, ...reservedKeymaps },
+    }
   };
 };
 

src/content/components/common/index.ts

@@ -8,6 +8,7 @@ import MessageListener from '../../MessageListener';
 import * as addonActions from '../../actions/addon';
 import * as blacklists from '../../../shared/blacklists';
 import * as keys from '../../../shared/utils/keys';
+import * as actions from '../../actions';
 
 export default class Common {
   private win: Window;
@@ -45,9 +46,9 @@ export default class Common {
   reloadSettings() {
     try {
       this.store.dispatch(settingActions.load())
-        .then(({ value: settings }: any) => {
+        .then((action: actions.SettingAction) => {
           let enabled = !blacklists.includes(
-            settings.blacklist, this.win.location.href
+            action.settings.blacklist, this.win.location.href
           );
           this.store.dispatch(addonActions.setEnabled(enabled));
         });

src/content/components/common/input.ts

@@ -61,7 +61,6 @@ export default class InputComponent {
     }
 
     let key = keys.fromKeyboardEvent(e);
-
     for (let listener of this.onKeyListeners) {
       let stop = listener(key);
       if (stop) {

src/content/components/common/keymapper.ts

@@ -3,7 +3,10 @@ import * as operationActions from '../../actions/operation';
 import * as operations from '../../../shared/operations';
 import * as keyUtils from '../../../shared/utils/keys';
 
-const mapStartsWith = (mapping, keys) => {
+const mapStartsWith = (
+  mapping: keyUtils.Key[],
+  keys: keyUtils.Key[],
+): boolean => {
   if (mapping.length < keys.length) {
     return false;
   }
@@ -16,26 +19,33 @@ const mapStartsWith = (mapping, keys) => {
 };
 
 export default class KeymapperComponent {
-  constructor(store) {
+  private store: any;
+
+  constructor(store: any) {
     this.store = store;
   }
 
   // eslint-disable-next-line max-statements
-  key(key) {
+  key(key: keyUtils.Key): boolean {
     this.store.dispatch(inputActions.keyPress(key));
 
     let state = this.store.getState();
     let input = state.input;
-    let keymaps = new Map(state.setting.keymaps);
+    let keymaps = new Map<keyUtils.Key[], operations.Operation>(
+      state.setting.keymaps.map(
+        (e: {key: keyUtils.Key[], op: operations.Operation}) => [e.key, e.op],
+      )
+    );
 
-    let matched = Array.from(keymaps.keys()).filter((mapping) => {
-      return mapStartsWith(mapping, input.keys);
-    });
+    let matched = Array.from(keymaps.keys()).filter(
+      (mapping: keyUtils.Key[]) => {
+        return mapStartsWith(mapping, input.keys);
+      });
     if (!state.addon.enabled) {
       // available keymaps are only ADDON_ENABLE and ADDON_TOGGLE_ENABLED if
       // the addon disabled
       matched = matched.filter((keys) => {
-        let type = keymaps.get(keys).type;
+        let type = (keymaps.get(keys) as operations.Operation).type;
         return type === operations.ADDON_ENABLE ||
           type === operations.ADDON_TOGGLE_ENABLED;
       });
@@ -47,7 +57,7 @@ export default class KeymapperComponent {
       matched.length === 1 && input.keys.length < matched[0].length) {
       return true;
     }
-    let operation = keymaps.get(matched[0]);
+    let operation = keymaps.get(matched[0]) as operations.Operation;
     let act = operationActions.exec(
       operation, state.setting, state.addon.enabled
     );

src/content/components/common/mark.ts

@@ -1,7 +1,6 @@
-import * as markActions from 'content/actions/mark';
-import * as scrolls from 'content/scrolls';
-import * as consoleFrames from 'content/console-frames';
-import * as properties from 'shared/settings/properties';
+import * as markActions from '../../actions/mark';
+import * as scrolls from '../..//scrolls';
+import * as consoleFrames from '../..//console-frames';
 
 const cancelKey = (key): boolean => {
   return key.key === 'Esc' || key.key === '[' && key.ctrlKey;
@@ -20,8 +19,7 @@ export default class MarkComponent {
   // eslint-disable-next-line max-statements
   key(key) {
     let { mark: markStage, setting } = this.store.getState();
-    let smoothscroll = setting.properties.smoothscroll ||
-      properties.defaults.smoothscroll;
+    let smoothscroll = setting.properties.smoothscroll;
 
     if (!markStage.setMode && !markStage.jumpMode) {
       return false;

src/content/components/top-content/follow-controller.ts

@@ -2,7 +2,6 @@ import * as followControllerActions from '../../actions/follow-controller';
 import * as messages from '../../../shared/messages';
 import MessageListener, { WebMessageSender } from '../../MessageListener';
 import HintKeyProducer from '../../hint-key-producer';
-import * as properties from '../../../shared/settings/properties';
 
 const broadcastMessage = (win: Window, message: messages.Message): void => {
   let json = JSON.stringify(message);
@@ -162,7 +161,6 @@ export default class FollowController {
   }
 
   hintchars() {
-    return this.store.getState().setting.properties.hintchars ||
-      properties.defaults.hintchars;
+    return this.store.getState().setting.properties.hintchars;
   }
 }

src/content/reducers/setting.ts

@@ -1,12 +1,20 @@
 import * as actions from '../actions';
+import * as keyUtils from '../../shared/utils/keys';
+import * as operations from '../../shared/operations';
+import { Properties } from '../../shared/Settings';
 
 export interface State {
-  keymaps: any[];
+  keymaps: { key: keyUtils.Key[], op: operations.Operation }[];
+  properties: Properties;
 }
 
-const defaultState = {
-  // keymaps is and arrays of key-binding pairs, which is entries of Map
+const defaultState: State = {
   keymaps: [],
+  properties: {
+    complete: '',
+    smoothscroll: false,
+    hintchars: '',
+  },
 };
 
 export default function reducer(
@@ -15,7 +23,15 @@ export default function reducer(
 ): State {
   switch (action.type) {
   case actions.SETTING_SET:
-    return { ...action.value };
+    return {
+      keymaps: Object.entries(action.settings.keymaps).map((entry) => {
+        return {
+          key: keyUtils.fromMapKeys(entry[0]),
+          op: entry[1],
+        };
+      }),
+      properties: action.settings.properties,
+    };
   default:
     return state;
   }

src/settings/actions/index.ts

@@ -1,3 +1,7 @@
+import {
+  JSONSettings, FormSettings, SettingSource,
+} from '../../shared/SettingData';
+
 // Settings
 export const SETTING_SET_SETTINGS = 'setting.set.settings';
 export const SETTING_SHOW_ERROR = 'setting.show.error';
@@ -6,25 +10,25 @@ export const SETTING_SWITCH_TO_JSON = 'setting.switch.to.json';
 
 interface SettingSetSettingsAcion {
   type: typeof SETTING_SET_SETTINGS;
-  source: string;
-  json: string;
-  form: any;
+  source: SettingSource;
+  json?: JSONSettings;
+  form?: FormSettings;
 }
 
 interface SettingShowErrorAction {
   type: typeof SETTING_SHOW_ERROR;
   error: string;
-  json: string;
+  json: JSONSettings;
 }
 
 interface SettingSwitchToFormAction {
   type: typeof SETTING_SWITCH_TO_FORM;
-  form: any;
+  form: FormSettings,
 }
 
 interface SettingSwitchToJsonAction {
   type: typeof SETTING_SWITCH_TO_JSON;
-  json: string;
+  json: JSONSettings,
 }
 
 export type SettingAction =

src/settings/actions/setting.ts

@@ -1,35 +1,35 @@
 import * as actions from './index';
-import * as validator from '../../shared/settings/validator';
-import * as settingsValues from '../../shared/settings/values';
-import * as settingsStorage from '../../shared/settings/storage';
-import keymaps from '../keymaps';
+import * as storages from '../storage';
+import SettingData, {
+  JSONSettings, FormSettings, SettingSource,
+} from '../../shared/SettingData';
 
 const load = async(): Promise<actions.SettingAction> => {
-  let settings = await settingsStorage.loadRaw();
-  return set(settings);
+  let data = await storages.load();
+  return set(data);
 };
 
-const save = async(settings: any): Promise<actions.SettingAction> => {
+const save = async(data: SettingData): Promise<actions.SettingAction> => {
   try {
-    if (settings.source === 'json') {
-      let value = JSON.parse(settings.json);
-      validator.validate(value);
+    if (data.getSource() === SettingSource.JSON) {
+      // toSettings exercise validation
+      data.toSettings();
     }
   } catch (e) {
     return {
       type: actions.SETTING_SHOW_ERROR,
       error: e.toString(),
-      json: settings.json,
+      json: data.getJSON(),
     };
   }
-  await settingsStorage.save(settings);
-  return set(settings);
+  await storages.save(data);
+  return set(data);
 };
 
-const switchToForm = (json: string): actions.SettingAction => {
+const switchToForm = (json: JSONSettings): actions.SettingAction => {
   try {
-    validator.validate(JSON.parse(json));
-    let form = settingsValues.formFromJson(json, keymaps.allowedOps);
+    // toSettings exercise validation
+    let form = FormSettings.fromSettings(json.toSettings());
     return {
       type: actions.SETTING_SWITCH_TO_FORM,
       form,
@@ -43,21 +43,31 @@ const switchToForm = (json: string): actions.SettingAction => {
   }
 };
 
-const switchToJson = (form: any): actions.SettingAction => {
-  let json = settingsValues.jsonFromForm(form);
+const switchToJson = (form: FormSettings): actions.SettingAction => {
+  let json = JSONSettings.fromSettings(form.toSettings());
   return {
     type: actions.SETTING_SWITCH_TO_JSON,
     json,
   };
 };
 
-const set = (settings: any): actions.SettingAction => {
-  return {
-    type: actions.SETTING_SET_SETTINGS,
-    source: settings.source,
-    json: settings.json,
-    form: settings.form,
-  };
+const set = (data: SettingData): actions.SettingAction => {
+  let source = data.getSource();
+  switch (source) {
+  case SettingSource.JSON:
+    return {
+      type: actions.SETTING_SET_SETTINGS,
+      source: source,
+      json: data.getJSON(),
+    };
+  case SettingSource.Form:
+    return {
+      type: actions.SETTING_SET_SETTINGS,
+      source: source,
+      form: data.getForm(),
+    };
+  }
+  throw new Error(`unknown source: ${source}`);
 };
 
 export { load, save, set, switchToForm, switchToJson };

src/settings/components/form/KeymapsForm.tsx

@@ -2,32 +2,30 @@ import './KeymapsForm.scss';
 import React from 'react';
 import Input from '../ui/Input';
 import keymaps from '../../keymaps';
+import { FormKeymaps } from '../../../shared/SettingData';
 
-type Value = {[key: string]: string};
-
-interface Props{
-  value: Value;
-  onChange: (e: Value) => void;
+interface Props {
+  value: FormKeymaps;
+  onChange: (e: FormKeymaps) => void;
   onBlur: () => void;
 }
 
 class KeymapsForm extends React.Component<Props> {
   public static defaultProps: Props = {
-    value: {},
+    value: FormKeymaps.valueOf({}),
     onChange: () => {},
     onBlur: () => {},
   }
 
   render() {
+    let values = this.props.value.toJSON();
     return <div className='form-keymaps-form'>
       {
         keymaps.fields.map((group, index) => {
           return <div key={index} className='form-keymaps-form-field-group'>
             {
-              group.map((field) => {
-                let name = field[0];
-                let label = field[1];
-                let value = this.props.value[name] || '';
+              group.map(([name, label]) => {
+                let value = values[name] || '';
                 return <Input
                   type='text' id={name} name={name} key={name}
                   label={label} value={value}
@@ -43,10 +41,7 @@ class KeymapsForm extends React.Component<Props> {
   }
 
   bindValue(name: string, value: string) {
-    let next = { ...this.props.value };
-    next[name] = value;
-
-    this.props.onChange(next);
+    this.props.onChange(this.props.value.buildWithOverride(name, value));
   }
 }
 

src/settings/components/form/SearchForm.tsx

@@ -2,31 +2,23 @@ import './SearchForm.scss';
 import React from 'react';
 import AddButton from '../ui/AddButton';
 import DeleteButton from '../ui/DeleteButton';
-
-interface Value {
-  default: string;
-  engines: string[][];
-}
+import { FormSearch } from '../../../shared/SettingData';
 
 interface Props {
-  value: Value;
-  onChange: (value: Value) => void;
+  value: FormSearch;
+  onChange: (value: FormSearch) => void;
   onBlur: () => void;
 }
 
 class SearchForm extends React.Component<Props> {
   public static defaultProps: Props = {
-    value: { default: '', engines: []},
+    value: FormSearch.valueOf({ default: '', engines: []}),
     onChange: () => {},
     onBlur: () => {},
   }
 
   render() {
-    let value = this.props.value;
-    if (!value.engines) {
-      value.engines = [];
-    }
-
+    let value = this.props.value.toJSON();
     return <div className='form-search-form'>
       <div className='form-search-form-header'>
         <div className='column-name'>Name</div>
@@ -63,28 +55,28 @@ class SearchForm extends React.Component<Props> {
   }
 
   bindValue(e: any) {
-    let value = this.props.value;
+    let value = this.props.value.toJSON();
     let name = e.target.name;
     let index = Number(e.target.getAttribute('data-index'));
-    let next: Value = {
+    let next: typeof value = {
       default: value.default,
-      engines: value.engines ? value.engines.slice() : [],
+      engines: value.engines.slice(),
     };
 
     if (name === 'name') {
       next.engines[index][0] = e.target.value;
-      next.default = this.props.value.engines[index][0];
+      next.default = value.engines[index][0];
     } else if (name === 'url') {
       next.engines[index][1] = e.target.value;
     } else if (name === 'default') {
-      next.default = this.props.value.engines[index][0];
+      next.default = value.engines[index][0];
     } else if (name === 'add') {
       next.engines.push(['', '']);
     } else if (name === 'delete') {
       next.engines.splice(index, 1);
     }
 
-    this.props.onChange(next);
+    this.props.onChange(FormSearch.valueOf(next));
     if (name === 'delete' || name === 'default') {
       this.props.onBlur();
     }

src/settings/components/index.tsx

@@ -6,22 +6,26 @@ import SearchForm from './form/SearchForm';
 import KeymapsForm from './form/KeymapsForm';
 import BlacklistForm from './form/BlacklistForm';
 import PropertiesForm from './form/PropertiesForm';
-import * as properties from '../../shared/settings/properties';
 import * as settingActions from '../../settings/actions/setting';
+import SettingData, {
+  JSONSettings, FormKeymaps, FormSearch, FormSettings,
+} from '../../shared/SettingData';
+import { State as AppState } from '../reducers/setting';
+import * as settings from '../../shared/Settings';
+import * as PropertyDefs from '../../shared/property-defs';
 
 const DO_YOU_WANT_TO_CONTINUE =
   'Some settings in JSON can be lost when migrating.  ' +
   'Do you want to continue?';
 
-interface Props {
-  source: string;
-  json: string;
-  form: any;
-  error: string;
-
+type StateProps = ReturnType<typeof mapStateToProps>;
+interface DispatchProps {
+  dispatch: (action: any) => void,
+}
+type Props = StateProps & DispatchProps & {
   // FIXME
   store: any;
-}
+};
 
 class SettingsComponent extends React.Component<Props> {
   componentDidMount() {
@@ -29,12 +33,17 @@ class SettingsComponent extends React.Component<Props> {
   }
 
   renderFormFields(form: any) {
+    let types = PropertyDefs.defs.reduce(
+      (o: {[key: string]: string}, def) => {
+        o[def.name] = def.type;
+        return o;
+      }, {});
     return <div>
       <fieldset>
         <legend>Keybindings</legend>
         <KeymapsForm
           value={form.keymaps}
-          onChange={value => this.bindForm('keymaps', value)}
+          onChange={this.bindKeymapsForm.bind(this)}
           onBlur={this.save.bind(this)}
         />
       </fieldset>
@@ -42,7 +51,7 @@ class SettingsComponent extends React.Component<Props> {
         <legend>Search Engines</legend>
         <SearchForm
           value={form.search}
-          onChange={value => this.bindForm('search', value)}
+          onChange={this.bindSearchForm.bind(this)}
           onBlur={this.save.bind(this)}
         />
       </fieldset>
@@ -50,23 +59,23 @@ class SettingsComponent extends React.Component<Props> {
         <legend>Blacklist</legend>
         <BlacklistForm
           value={form.blacklist}
-          onChange={value => this.bindForm('blacklist', value)}
+          onChange={this.bindBlacklistForm.bind(this)}
           onBlur={this.save.bind(this)}
         />
       </fieldset>
       <fieldset>
         <legend>Properties</legend>
         <PropertiesForm
-          types={properties.types}
+          types={types}
           value={form.properties}
-          onChange={value => this.bindForm('properties', value)}
+          onChange={this.bindPropertiesForm.bind(this)}
           onBlur={this.save.bind(this)}
         />
       </fieldset>
     </div>;
   }
 
-  renderJsonFields(json: string, error: string) {
+  renderJsonFields(json: JSONSettings, error: string) {
     return <div>
       <Input
         type='textarea'
@@ -76,7 +85,7 @@ class SettingsComponent extends React.Component<Props> {
         error={error}
         onValueChange={this.bindJson.bind(this)}
         onBlur={this.save.bind(this)}
-        value={json}
+        value={json.toJSON()}
       />
     </div>;
   }
@@ -87,7 +96,8 @@ class SettingsComponent extends React.Component<Props> {
     if (this.props.source === 'form') {
       fields = this.renderFormFields(this.props.form);
     } else if (this.props.source === 'json') {
-      fields = this.renderJsonFields(this.props.json, this.props.error);
+      fields = this.renderJsonFields(
+        this.props.json as JSONSettings, this.props.error);
     }
     return (
       <div>
@@ -117,45 +127,73 @@ class SettingsComponent extends React.Component<Props> {
     );
   }
 
-  bindForm(name: string, value: any) {
-    let settings = {
+  bindKeymapsForm(value: FormKeymaps) {
+    let data = new SettingData({
       source: this.props.source,
-      json: this.props.json,
-      form: { ...this.props.form },
-    };
-    settings.form[name] = value;
-    this.props.dispatch(settingActions.set(settings));
+      form: (this.props.form as FormSettings).buildWithKeymaps(value),
+    });
+    this.props.dispatch(settingActions.set(data));
+  }
+
+  bindSearchForm(value: any) {
+    let data = new SettingData({
+      source: this.props.source,
+      form: (this.props.form as FormSettings).buildWithSearch(
+        FormSearch.valueOf(value)),
+    });
+    this.props.dispatch(settingActions.set(data));
+  }
+
+  bindBlacklistForm(value: any) {
+    let data = new SettingData({
+      source: this.props.source,
+      form: (this.props.form as FormSettings).buildWithBlacklist(
+        settings.blacklistValueOf(value)),
+    });
+    this.props.dispatch(settingActions.set(data));
+  }
+
+  bindPropertiesForm(value: any) {
+    let data = new SettingData({
+      source: this.props.source,
+      form: (this.props.form as FormSettings).buildWithProperties(
+        settings.propertiesValueOf(value)),
+    });
+    this.props.dispatch(settingActions.set(data));
   }
 
   bindJson(_name: string, value: string) {
-    let settings = {
+    let data = new SettingData({
       source: this.props.source,
-      json: value,
-      form: this.props.form,
-    };
-    this.props.dispatch(settingActions.set(settings));
+      json: JSONSettings.valueOf(value),
+    });
+    this.props.dispatch(settingActions.set(data));
   }
 
   bindSource(_name: string, value: string) {
     let from = this.props.source;
     if (from === 'form' && value === 'json') {
-      this.props.dispatch(settingActions.switchToJson(this.props.form));
+      this.props.dispatch(settingActions.switchToJson(
+        this.props.form as FormSettings));
     } else if (from === 'json' && value === 'form') {
       let b = window.confirm(DO_YOU_WANT_TO_CONTINUE);
       if (!b) {
         this.forceUpdate();
         return;
       }
-      this.props.dispatch(settingActions.switchToForm(this.props.json));
+      this.props.dispatch(
+        settingActions.switchToForm(this.props.json as JSONSettings));
     }
   }
 
   save() {
-    let settings = this.props.store.getState();
-    this.props.dispatch(settingActions.save(settings));
+    let { source, json, form } = this.props.store.getState();
+    this.props.dispatch(settingActions.save(
+      new SettingData({ source, json, form }),
+    ));
   }
 }
 
-const mapStateToProps = (state: any) => state;
+const mapStateToProps = (state: AppState) => ({ ...state });
 
 export default connect(mapStateToProps)(SettingsComponent);

src/settings/keymaps.ts

@@ -66,9 +66,6 @@ const fields = [
   ]
 ];
 
-const allowedOps = [].concat(...fields.map(group => group.map(e => e[0])));
-
 export default {
   fields,
-  allowedOps,
 };

src/settings/reducers/setting.ts

@@ -1,23 +1,25 @@
 import * as actions from '../actions';
+import {
+  JSONSettings, FormSettings, SettingSource,
+} from '../../shared/SettingData';
 
-interface State {
-  source: string;
-  json: string;
-  form: any;
+export interface State {
+  source: SettingSource;
+  json?: JSONSettings;
+  form?: FormSettings;
   error: string;
 }
 
 const defaultState: State = {
-  source: '',
-  json: '',
-  form: null,
+  source: SettingSource.JSON,
+  json: JSONSettings.valueOf(''),
   error: '',
 };
 
 export default function reducer(
   state = defaultState,
   action: actions.SettingAction,
-) {
+): State {
   switch (action.type) {
   case actions.SETTING_SET_SETTINGS:
     return { ...state,
@@ -32,12 +34,12 @@ export default function reducer(
   case actions.SETTING_SWITCH_TO_FORM:
     return { ...state,
       error: '',
-      source: 'form',
+      source: SettingSource.Form,
       form: action.form, };
   case actions.SETTING_SWITCH_TO_JSON:
     return { ...state,
       error: '',
-      source: 'json',
+      source: SettingSource.JSON,
       json: action.json, };
   default:
     return state;

src/settings/storage.ts

@@ -0,0 +1,15 @@
+import SettingData, { DefaultSettingData } from '../shared/SettingData';
+
+export const load = async(): Promise<SettingData> => {
+  let { settings } = await browser.storage.local.get('settings');
+  if (!settings) {
+    return DefaultSettingData;
+  }
+  return SettingData.valueOf(settings);
+};
+
+export const save = (data: SettingData) => {
+  return browser.storage.local.set({
+    settings: data.toJSON(),
+  });
+};

src/shared/SettingData.ts

@@ -0,0 +1,414 @@
+import * as operations from './operations';
+import Settings, * as settings from './Settings';
+
+export class FormKeymaps {
+  private data: {[op: string]: string};
+
+  constructor(data: {[op: string]: string}) {
+    this.data = data;
+  }
+
+  toKeymaps(): settings.Keymaps {
+    let keymaps: settings.Keymaps = {};
+    for (let name of Object.keys(this.data)) {
+      let [type, argStr] = name.split('?');
+      let args = {};
+      if (argStr) {
+        args = JSON.parse(argStr);
+      }
+      let key = this.data[name];
+      keymaps[key] = operations.valueOf({ type, ...args });
+    }
+    return keymaps;
+  }
+
+  toJSON(): {[op: string]: string} {
+    return this.data;
+  }
+
+  buildWithOverride(op: string, keys: string): FormKeymaps {
+    let newData = {
+      ...this.data,
+      [op]: keys,
+    };
+    return new FormKeymaps(newData);
+  }
+
+  static valueOf(o: ReturnType<FormKeymaps['toJSON']>): FormKeymaps {
+    let data: {[op: string]: string} = {};
+    for (let op of Object.keys(o)) {
+      data[op] = o[op] as string;
+    }
+    return new FormKeymaps(data);
+  }
+
+  static fromKeymaps(keymaps: settings.Keymaps): FormKeymaps {
+    let data: {[op: string]: string} = {};
+    for (let key of Object.keys(keymaps)) {
+      let op = keymaps[key];
+      let args = { ...op };
+      delete args.type;
+
+      let name = op.type;
+      if (Object.keys(args).length > 0) {
+        name += '?' + JSON.stringify(args);
+      }
+      data[name] = key;
+    }
+    return new FormKeymaps(data);
+  }
+}
+
+export class FormSearch {
+  private default: string;
+
+  private engines: string[][];
+
+  constructor(defaultEngine: string, engines: string[][]) {
+    this.default = defaultEngine;
+    this.engines = engines;
+  }
+
+  toSearchSettings(): settings.Search {
+    return {
+      default: this.default,
+      engines: this.engines.reduce(
+        (o: {[key: string]: string}, [name, url]) => {
+          o[name] = url;
+          return o;
+        }, {}),
+    };
+  }
+
+  toJSON(): {
+    default: string;
+    engines: string[][];
+    } {
+    return {
+      default: this.default,
+      engines: this.engines,
+    };
+  }
+
+  static valueOf(o: ReturnType<FormSearch['toJSON']>): FormSearch {
+    if (!Object.prototype.hasOwnProperty.call(o, 'default')) {
+      throw new TypeError(`"default" field not set`);
+    }
+    if (!Object.prototype.hasOwnProperty.call(o, 'engines')) {
+      throw new TypeError(`"engines" field not set`);
+    }
+    return new FormSearch(o.default, o.engines);
+  }
+
+  static fromSearch(search: settings.Search): FormSearch {
+    let engines = Object.entries(search.engines).reduce(
+      (o: string[][], [name, url]) => {
+        return o.concat([[name, url]]);
+      }, []);
+    return new FormSearch(search.default, engines);
+  }
+}
+
+export class JSONSettings {
+  private json: string;
+
+  constructor(json: any) {
+    this.json = json;
+  }
+
+  toSettings(): Settings {
+    return settings.valueOf(JSON.parse(this.json));
+  }
+
+  toJSON(): string {
+    return this.json;
+  }
+
+  static valueOf(o: ReturnType<JSONSettings['toJSON']>): JSONSettings {
+    return new JSONSettings(o);
+  }
+
+  static fromSettings(data: Settings): JSONSettings {
+    return new JSONSettings(JSON.stringify(data, undefined, 2));
+  }
+}
+
+export class FormSettings {
+  private keymaps: FormKeymaps;
+
+  private search: FormSearch;
+
+  private properties: settings.Properties;
+
+  private blacklist: string[];
+
+  constructor(
+    keymaps: FormKeymaps,
+    search: FormSearch,
+    properties: settings.Properties,
+    blacklist: string[],
+  ) {
+    this.keymaps = keymaps;
+    this.search = search;
+    this.properties = properties;
+    this.blacklist = blacklist;
+  }
+
+  buildWithKeymaps(keymaps: FormKeymaps): FormSettings {
+    return new FormSettings(
+      keymaps,
+      this.search,
+      this.properties,
+      this.blacklist,
+    );
+  }
+
+  buildWithSearch(search: FormSearch): FormSettings {
+    return new FormSettings(
+      this.keymaps,
+      search,
+      this.properties,
+      this.blacklist,
+    );
+  }
+
+  buildWithProperties(props: settings.Properties): FormSettings {
+    return new FormSettings(
+      this.keymaps,
+      this.search,
+      props,
+      this.blacklist,
+    );
+  }
+
+  buildWithBlacklist(blacklist: string[]): FormSettings {
+    return new FormSettings(
+      this.keymaps,
+      this.search,
+      this.properties,
+      blacklist,
+    );
+  }
+
+  toSettings(): Settings {
+    return settings.valueOf({
+      keymaps: this.keymaps.toKeymaps(),
+      search: this.search.toSearchSettings(),
+      properties: this.properties,
+      blacklist: this.blacklist,
+    });
+  }
+
+  toJSON(): {
+    keymaps: ReturnType<FormKeymaps['toJSON']>;
+    search: ReturnType<FormSearch['toJSON']>;
+    properties: settings.Properties;
+    blacklist: string[];
+    } {
+    return {
+      keymaps: this.keymaps.toJSON(),
+      search: this.search.toJSON(),
+      properties: this.properties,
+      blacklist: this.blacklist,
+    };
+  }
+
+  static valueOf(o: ReturnType<FormSettings['toJSON']>): FormSettings {
+    for (let name of ['keymaps', 'search', 'properties', 'blacklist']) {
+      if (!Object.prototype.hasOwnProperty.call(o, name)) {
+        throw new Error(`"${name}" field not set`);
+      }
+    }
+    return new FormSettings(
+      FormKeymaps.valueOf(o.keymaps),
+      FormSearch.valueOf(o.search),
+      settings.propertiesValueOf(o.properties),
+      settings.blacklistValueOf(o.blacklist),
+    );
+  }
+
+  static fromSettings(data: Settings): FormSettings {
+    return new FormSettings(
+      FormKeymaps.fromKeymaps(data.keymaps),
+      FormSearch.fromSearch(data.search),
+      data.properties,
+      data.blacklist);
+  }
+}
+
+export enum SettingSource {
+  JSON = 'json',
+  Form = 'form',
+}
+
+export default class SettingData {
+  private source: SettingSource;
+
+  private json?: JSONSettings;
+
+  private form?: FormSettings;
+
+  constructor({
+    source, json, form
+  }: {
+    source: SettingSource,
+    json?: JSONSettings,
+    form?: FormSettings,
+  }) {
+    this.source = source;
+    this.json = json;
+    this.form = form;
+  }
+
+  getSource(): SettingSource {
+    return this.source;
+  }
+
+  getJSON(): JSONSettings {
+    if (!this.json) {
+      throw new TypeError('json settings not set');
+    }
+    return this.json;
+  }
+
+  getForm(): FormSettings {
+    if (!this.form) {
+      throw new TypeError('form settings not set');
+    }
+    return this.form;
+  }
+
+  toJSON(): any {
+    switch (this.source) {
+    case SettingSource.JSON:
+      return {
+        source: this.source,
+        json: (this.json as JSONSettings).toJSON(),
+      };
+    case SettingSource.Form:
+      return {
+        source: this.source,
+        form: (this.form as FormSettings).toJSON(),
+      };
+    }
+    throw new Error(`unknown settings source: ${this.source}`);
+  }
+
+  toSettings(): Settings {
+    switch (this.source) {
+    case SettingSource.JSON:
+      return this.getJSON().toSettings();
+    case SettingSource.Form:
+      return this.getForm().toSettings();
+    }
+    throw new Error(`unknown settings source: ${this.source}`);
+  }
+
+  static valueOf(o: {
+    source: string;
+    json?: string;
+    form?: ReturnType<FormSettings['toJSON']>;
+  }): SettingData {
+    switch (o.source) {
+    case SettingSource.JSON:
+      return new SettingData({
+        source: o.source,
+        json: JSONSettings.valueOf(
+          o.json as ReturnType<JSONSettings['toJSON']>),
+      });
+    case SettingSource.Form:
+      return new SettingData({
+        source: o.source,
+        form: FormSettings.valueOf(
+          o.form as ReturnType<FormSettings['toJSON']>),
+      });
+    }
+    throw new Error(`unknown settings source: ${o.source}`);
+  }
+}
+
+export const DefaultSettingData: SettingData = SettingData.valueOf({
+  source: 'json',
+  json: `{
+  "keymaps": {
+    "0": { "type": "scroll.home" },
+    ":": { "type": "command.show" },
+    "o": { "type": "command.show.open", "alter": false },
+    "O": { "type": "command.show.open", "alter": true },
+    "t": { "type": "command.show.tabopen", "alter": false },
+    "T": { "type": "command.show.tabopen", "alter": true },
+    "w": { "type": "command.show.winopen", "alter": false },
+    "W": { "type": "command.show.winopen", "alter": true },
+    "b": { "type": "command.show.buffer" },
+    "a": { "type": "command.show.addbookmark", "alter": true },
+    "k": { "type": "scroll.vertically", "count": -1 },
+    "j": { "type": "scroll.vertically", "count": 1 },
+    "h": { "type": "scroll.horizonally", "count": -1 },
+    "l": { "type": "scroll.horizonally", "count": 1 },
+    "<C-U>": { "type": "scroll.pages", "count": -0.5 },
+    "<C-D>": { "type": "scroll.pages", "count": 0.5 },
+    "<C-B>": { "type": "scroll.pages", "count": -1 },
+    "<C-F>": { "type": "scroll.pages", "count": 1 },
+    "gg": { "type": "scroll.top" },
+    "G": { "type": "scroll.bottom" },
+    "$": { "type": "scroll.end" },
+    "d": { "type": "tabs.close" },
+    "D": { "type": "tabs.close.right" },
+    "!d": { "type": "tabs.close.force" },
+    "u": { "type": "tabs.reopen" },
+    "K": { "type": "tabs.prev" },
+    "J": { "type": "tabs.next" },
+    "gT": { "type": "tabs.prev" },
+    "gt": { "type": "tabs.next" },
+    "g0": { "type": "tabs.first" },
+    "g$": { "type": "tabs.last" },
+    "<C-6>": { "type": "tabs.prevsel" },
+    "r": { "type": "tabs.reload", "cache": false },
+    "R": { "type": "tabs.reload", "cache": true },
+    "zp": { "type": "tabs.pin.toggle" },
+    "zd": { "type": "tabs.duplicate" },
+    "zi": { "type": "zoom.in" },
+    "zo": { "type": "zoom.out" },
+    "zz": { "type": "zoom.neutral" },
+    "f": { "type": "follow.start", "newTab": false },
+    "F": { "type": "follow.start", "newTab": true, "background": false },
+    "m": { "type": "mark.set.prefix" },
+    "'": { "type": "mark.jump.prefix" },
+    "H": { "type": "navigate.history.prev" },
+    "L": { "type": "navigate.history.next" },
+    "[[": { "type": "navigate.link.prev" },
+    "]]": { "type": "navigate.link.next" },
+    "gu": { "type": "navigate.parent" },
+    "gU": { "type": "navigate.root" },
+    "gi": { "type": "focus.input" },
+    "gf": { "type": "page.source" },
+    "gh": { "type": "page.home" },
+    "gH": { "type": "page.home", "newTab": true },
+    "y": { "type": "urls.yank" },
+    "p": { "type": "urls.paste", "newTab": false },
+    "P": { "type": "urls.paste", "newTab": true },
+    "/": { "type": "find.start" },
+    "n": { "type": "find.next" },
+    "N": { "type": "find.prev" },
+    "<S-Esc>": { "type": "addon.toggle.enabled" }
+  },
+  "search": {
+    "default": "google",
+    "engines": {
+      "google": "https://google.com/search?q={}",
+      "yahoo": "https://search.yahoo.com/search?p={}",
+      "bing": "https://www.bing.com/search?q={}",
+      "duckduckgo": "https://duckduckgo.com/?q={}",
+      "twitter": "https://twitter.com/search?q={}",
+      "wikipedia": "https://en.wikipedia.org/w/index.php?search={}"
+    }
+  },
+  "properties": {
+    "hintchars": "abcdefghijklmnopqrstuvwxyz",
+    "smoothscroll": false,
+    "complete": "sbh"
+  },
+  "blacklist": [
+  ]
+}`,
+});

src/shared/Settings.ts

@@ -0,0 +1,200 @@
+import * as operations from './operations';
+import * as PropertyDefs from './property-defs';
+
+export type Keymaps = {[key: string]: operations.Operation};
+
+export interface Search {
+  default: string;
+  engines: { [key: string]: string };
+}
+
+export interface Properties {
+  hintchars: string;
+  smoothscroll: boolean;
+  complete: string;
+}
+
+export default interface Settings {
+  keymaps: Keymaps;
+  search: Search;
+  properties: Properties;
+  blacklist: string[];
+  // eslint-disable-next-line semi
+}
+
+const DefaultProperties: Properties = PropertyDefs.defs.reduce(
+  (o: {[name: string]: PropertyDefs.Type}, def) => {
+    o[def.name] = def.defaultValue;
+    return o;
+  }, {}) as Properties;
+
+
+export const keymapsValueOf = (o: any): Keymaps => {
+  return Object.keys(o).reduce((keymaps: Keymaps, key: string): Keymaps => {
+    let op = operations.valueOf(o[key]);
+    keymaps[key] = op;
+    return keymaps;
+  }, {});
+};
+
+export const searchValueOf = (o: any): Search => {
+  if (typeof o.default !== 'string') {
+    throw new TypeError('string field "default" not set"');
+  }
+  for (let name of Object.keys(o.engines)) {
+    if ((/\s/).test(name)) {
+      throw new TypeError(
+        `While space in the search engine not allowed: "${name}"`);
+    }
+    let url = o.engines[name];
+    if (typeof url !== 'string') {
+      throw new TypeError('"engines" not an object of string');
+    }
+    let matches = url.match(/{}/g);
+    if (matches === null) {
+      throw new TypeError(`No {}-placeholders in URL of "${name}"`);
+    } else if (matches.length > 1) {
+      throw new TypeError(`Multiple {}-placeholders in URL of "${name}"`);
+    }
+
+  }
+  if (!Object.prototype.hasOwnProperty.call(o.engines, o.default)) {
+    throw new TypeError(`Default engine "${o.default}" not found`);
+  }
+  return {
+    default: o.default as string,
+    engines: { ...o.engines },
+  };
+};
+
+export const propertiesValueOf = (o: any): Properties => {
+  let defNames = new Set(PropertyDefs.defs.map(def => def.name));
+  let unknownName = Object.keys(o).find(name => !defNames.has(name));
+  if (unknownName) {
+    throw new TypeError(`Unknown property name: "${unknownName}"`);
+  }
+
+  for (let def of PropertyDefs.defs) {
+    if (!Object.prototype.hasOwnProperty.call(o, def.name)) {
+      continue;
+    }
+    if (typeof o[def.name] !== def.type) {
+      throw new TypeError(`property "${def.name}" is not ${def.type}`);
+    }
+  }
+  return {
+    ...DefaultProperties,
+    ...o,
+  };
+};
+
+export const blacklistValueOf = (o: any): string[] => {
+  if (!Array.isArray(o)) {
+    throw new TypeError(`"blacklist" is not an array of string`);
+  }
+  for (let x of o) {
+    if (typeof x !== 'string') {
+      throw new TypeError(`"blacklist" is not an array of string`);
+    }
+  }
+  return o as string[];
+};
+
+export const valueOf = (o: any): Settings => {
+  let settings = { ...DefaultSetting };
+  if (Object.prototype.hasOwnProperty.call(o, 'keymaps')) {
+    settings.keymaps = keymapsValueOf(o.keymaps);
+  }
+  if (Object.prototype.hasOwnProperty.call(o, 'search')) {
+    settings.search = searchValueOf(o.search);
+  }
+  if (Object.prototype.hasOwnProperty.call(o, 'properties')) {
+    settings.properties = propertiesValueOf(o.properties);
+  }
+  if (Object.prototype.hasOwnProperty.call(o, 'blacklist')) {
+    settings.blacklist = blacklistValueOf(o.blacklist);
+  }
+  return settings;
+};
+
+const DefaultSetting: Settings = {
+  keymaps: {
+    '0': { 'type': 'scroll.home' },
+    ':': { 'type': 'command.show' },
+    'o': { 'type': 'command.show.open', 'alter': false },
+    'O': { 'type': 'command.show.open', 'alter': true },
+    't': { 'type': 'command.show.tabopen', 'alter': false },
+    'T': { 'type': 'command.show.tabopen', 'alter': true },
+    'w': { 'type': 'command.show.winopen', 'alter': false },
+    'W': { 'type': 'command.show.winopen', 'alter': true },
+    'b': { 'type': 'command.show.buffer' },
+    'a': { 'type': 'command.show.addbookmark', 'alter': true },
+    'k': { 'type': 'scroll.vertically', 'count': -1 },
+    'j': { 'type': 'scroll.vertically', 'count': 1 },
+    'h': { 'type': 'scroll.horizonally', 'count': -1 },
+    'l': { 'type': 'scroll.horizonally', 'count': 1 },
+    '<C-U>': { 'type': 'scroll.pages', 'count': -0.5 },
+    '<C-D>': { 'type': 'scroll.pages', 'count': 0.5 },
+    '<C-B>': { 'type': 'scroll.pages', 'count': -1 },
+    '<C-F>': { 'type': 'scroll.pages', 'count': 1 },
+    'gg': { 'type': 'scroll.top' },
+    'G': { 'type': 'scroll.bottom' },
+    '$': { 'type': 'scroll.end' },
+    'd': { 'type': 'tabs.close' },
+    'D': { 'type': 'tabs.close.right' },
+    '!d': { 'type': 'tabs.close.force' },
+    'u': { 'type': 'tabs.reopen' },
+    'K': { 'type': 'tabs.prev' },
+    'J': { 'type': 'tabs.next' },
+    'gT': { 'type': 'tabs.prev' },
+    'gt': { 'type': 'tabs.next' },
+    'g0': { 'type': 'tabs.first' },
+    'g$': { 'type': 'tabs.last' },
+    '<C-6>': { 'type': 'tabs.prevsel' },
+    'r': { 'type': 'tabs.reload', 'cache': false },
+    'R': { 'type': 'tabs.reload', 'cache': true },
+    'zp': { 'type': 'tabs.pin.toggle' },
+    'zd': { 'type': 'tabs.duplicate' },
+    'zi': { 'type': 'zoom.in' },
+    'zo': { 'type': 'zoom.out' },
+    'zz': { 'type': 'zoom.neutral' },
+    'f': { 'type': 'follow.start', 'newTab': false, 'background': false },
+    'F': { 'type': 'follow.start', 'newTab': true, 'background': false },
+    'm': { 'type': 'mark.set.prefix' },
+    '\'': { 'type': 'mark.jump.prefix' },
+    'H': { 'type': 'navigate.history.prev' },
+    'L': { 'type': 'navigate.history.next' },
+    '[[': { 'type': 'navigate.link.prev' },
+    ']]': { 'type': 'navigate.link.next' },
+    'gu': { 'type': 'navigate.parent' },
+    'gU': { 'type': 'navigate.root' },
+    'gi': { 'type': 'focus.input' },
+    'gf': { 'type': 'page.source' },
+    'gh': { 'type': 'page.home', 'newTab': false },
+    'gH': { 'type': 'page.home', 'newTab': true },
+    'y': { 'type': 'urls.yank' },
+    'p': { 'type': 'urls.paste', 'newTab': false },
+    'P': { 'type': 'urls.paste', 'newTab': true },
+    '/': { 'type': 'find.start' },
+    'n': { 'type': 'find.next' },
+    'N': { 'type': 'find.prev' },
+    '<S-Esc>': { 'type': 'addon.toggle.enabled' }
+  },
+  search: {
+    default: 'google',
+    engines: {
+      'google': 'https://google.com/search?q={}',
+      'yahoo': 'https://search.yahoo.com/search?p={}',
+      'bing': 'https://www.bing.com/search?q={}',
+      'duckduckgo': 'https://duckduckgo.com/?q={}',
+      'twitter': 'https://twitter.com/search?q={}',
+      'wikipedia': 'https://en.wikipedia.org/w/index.php?search={}'
+    }
+  },
+  properties: {
+    hintchars: 'abcdefghijklmnopqrstuvwxyz',
+    smoothscroll: false,
+    complete: 'sbh'
+  },
+  blacklist: []
+};

src/shared/operations.ts

@@ -443,5 +443,5 @@ export const valueOf = (o: any): Operation => {
   case MARK_JUMP_PREFIX:
     return { type: o.type };
   }
-  throw new Error('unknown operation type: ' + o.type);
+  throw new TypeError('unknown operation type: ' + o.type);
 };

src/shared/properties.ts

@@ -0,0 +1,50 @@
+export type Type = string | number | boolean;
+
+export class Def {
+  private name0: string;
+
+  private description0: string;
+
+  private defaultValue0: Type;
+
+  constructor(
+    name: string,
+    description: string,
+    defaultValue: Type,
+  ) {
+    this.name0 = name;
+    this.description0 = description;
+    this.defaultValue0 = defaultValue;
+  }
+
+  public get name(): string {
+    return this.name0;
+  }
+
+  public get defaultValue(): Type {
+    return this.defaultValue0;
+  }
+
+  public get description(): Type {
+    return this.description0;
+  }
+
+  public get type(): string {
+    return typeof this.defaultValue;
+  }
+}
+
+export const defs: Def[] = [
+  new Def(
+    'hintchars',
+    'hint characters on follow mode',
+    'abcdefghijklmnopqrstuvwxyz'),
+  new Def(
+    'smoothscroll',
+    'smooth scroll',
+    false),
+  new Def(
+    'complete',
+    'which are completed at the open page',
+    'sbh'),
+];

src/shared/property-defs.ts

@@ -0,0 +1,50 @@
+export type Type = string | number | boolean;
+
+export class Def {
+  private name0: string;
+
+  private description0: string;
+
+  private defaultValue0: Type;
+
+  constructor(
+    name: string,
+    description: string,
+    defaultValue: Type,
+  ) {
+    this.name0 = name;
+    this.description0 = description;
+    this.defaultValue0 = defaultValue;
+  }
+
+  public get name(): string {
+    return this.name0;
+  }
+
+  public get defaultValue(): Type {
+    return this.defaultValue0;
+  }
+
+  public get description(): Type {
+    return this.description0;
+  }
+
+  public get type(): string {
+    return typeof this.defaultValue;
+  }
+}
+
+export const defs: Def[] = [
+  new Def(
+    'hintchars',
+    'hint characters on follow mode',
+    'abcdefghijklmnopqrstuvwxyz'),
+  new Def(
+    'smoothscroll',
+    'smooth scroll',
+    false),
+  new Def(
+    'complete',
+    'which are completed at the open page',
+    'sbh'),
+];

src/shared/settings/default.ts

@@ -1,85 +0,0 @@
-export default {
-  source: 'json',
-  json: `{
-  "keymaps": {
-    "0": { "type": "scroll.home" },
-    ":": { "type": "command.show" },
-    "o": { "type": "command.show.open", "alter": false },
-    "O": { "type": "command.show.open", "alter": true },
-    "t": { "type": "command.show.tabopen", "alter": false },
-    "T": { "type": "command.show.tabopen", "alter": true },
-    "w": { "type": "command.show.winopen", "alter": false },
-    "W": { "type": "command.show.winopen", "alter": true },
-    "b": { "type": "command.show.buffer" },
-    "a": { "type": "command.show.addbookmark", "alter": true },
-    "k": { "type": "scroll.vertically", "count": -1 },
-    "j": { "type": "scroll.vertically", "count": 1 },
-    "h": { "type": "scroll.horizonally", "count": -1 },
-    "l": { "type": "scroll.horizonally", "count": 1 },
-    "<C-U>": { "type": "scroll.pages", "count": -0.5 },
-    "<C-D>": { "type": "scroll.pages", "count": 0.5 },
-    "<C-B>": { "type": "scroll.pages", "count": -1 },
-    "<C-F>": { "type": "scroll.pages", "count": 1 },
-    "gg": { "type": "scroll.top" },
-    "G": { "type": "scroll.bottom" },
-    "$": { "type": "scroll.end" },
-    "d": { "type": "tabs.close" },
-    "D": { "type": "tabs.close.right" },
-    "!d": { "type": "tabs.close.force" },
-    "u": { "type": "tabs.reopen" },
-    "K": { "type": "tabs.prev", "count": 1 },
-    "J": { "type": "tabs.next", "count": 1 },
-    "gT": { "type": "tabs.prev", "count": 1 },
-    "gt": { "type": "tabs.next", "count": 1 },
-    "g0": { "type": "tabs.first" },
-    "g$": { "type": "tabs.last" },
-    "<C-6>": { "type": "tabs.prevsel" },
-    "r": { "type": "tabs.reload", "cache": false },
-    "R": { "type": "tabs.reload", "cache": true },
-    "zp": { "type": "tabs.pin.toggle" },
-    "zd": { "type": "tabs.duplicate" },
-    "zi": { "type": "zoom.in" },
-    "zo": { "type": "zoom.out" },
-    "zz": { "type": "zoom.neutral" },
-    "f": { "type": "follow.start", "newTab": false },
-    "F": { "type": "follow.start", "newTab": true, "background": false },
-    "m": { "type": "mark.set.prefix" },
-    "'": { "type": "mark.jump.prefix" },
-    "H": { "type": "navigate.history.prev" },
-    "L": { "type": "navigate.history.next" },
-    "[[": { "type": "navigate.link.prev" },
-    "]]": { "type": "navigate.link.next" },
-    "gu": { "type": "navigate.parent" },
-    "gU": { "type": "navigate.root" },
-    "gi": { "type": "focus.input" },
-    "gf": { "type": "page.source" },
-    "gh": { "type": "page.home" },
-    "gH": { "type": "page.home", "newTab": true },
-    "y": { "type": "urls.yank" },
-    "p": { "type": "urls.paste", "newTab": false },
-    "P": { "type": "urls.paste", "newTab": true },
-    "/": { "type": "find.start" },
-    "n": { "type": "find.next" },
-    "N": { "type": "find.prev" },
-    "<S-Esc>": { "type": "addon.toggle.enabled" }
-  },
-  "search": {
-    "default": "google",
-    "engines": {
-      "google": "https://google.com/search?q={}",
-      "yahoo": "https://search.yahoo.com/search?p={}",
-      "bing": "https://www.bing.com/search?q={}",
-      "duckduckgo": "https://duckduckgo.com/?q={}",
-      "twitter": "https://twitter.com/search?q={}",
-      "wikipedia": "https://en.wikipedia.org/w/index.php?search={}"
-    }
-  },
-  "properties": {
-    "hintchars": "abcdefghijklmnopqrstuvwxyz",
-    "smoothscroll": false,
-    "complete": "sbh"
-  },
-  "blacklist": [
-  ]
-}`,
-};

src/shared/settings/properties.ts

@@ -1,24 +0,0 @@
-// describe types of a propety as:
-//    mystr: 'string',
-//    mynum: 'number',
-//    mybool: 'boolean',
-const types: { [key: string]: string } = {
-  hintchars: 'string',
-  smoothscroll: 'boolean',
-  complete: 'string',
-};
-
-// describe default values of a property
-const defaults: { [key: string]: string | number | boolean } = {
-  hintchars: 'abcdefghijklmnopqrstuvwxyz',
-  smoothscroll: false,
-  complete: 'sbh',
-};
-
-const docs: { [key: string]: string } = {
-  hintchars: 'hint characters on follow mode',
-  smoothscroll: 'smooth scroll',
-  complete: 'which are completed at the open page',
-};
-
-export { types, defaults, docs };

src/shared/settings/storage.ts

@@ -1,32 +0,0 @@
-import DefaultSettings from './default';
-import * as settingsValues from './values';
-
-const loadRaw = async(): Promise<any> => {
-  let { settings } = await browser.storage.local.get('settings');
-  if (!settings) {
-    return DefaultSettings;
-  }
-  return { ...DefaultSettings, ...settings as object };
-};
-
-const loadValue = async() => {
-  let settings = await loadRaw();
-  let value = JSON.parse(DefaultSettings.json);
-  if (settings.source === 'json') {
-    value = settingsValues.valueFromJson(settings.json);
-  } else if (settings.source === 'form') {
-    value = settingsValues.valueFromForm(settings.form);
-  }
-  if (!value.properties) {
-    value.properties = {};
-  }
-  return { ...settingsValues.valueFromJson(DefaultSettings.json), ...value };
-};
-
-const save = (settings: any): Promise<any> => {
-  return browser.storage.local.set({
-    settings,
-  });
-};
-
-export { loadRaw, loadValue, save };

src/shared/settings/validator.ts

@@ -1,76 +0,0 @@
-import * as operations from '../operations';
-import * as properties from './properties';
-
-const VALID_TOP_KEYS = ['keymaps', 'search', 'blacklist', 'properties'];
-const VALID_OPERATION_VALUES = Object.keys(operations).map((key) => {
-  return operations[key];
-});
-
-const validateInvalidTopKeys = (settings: any): void => {
-  let invalidKey = Object.keys(settings).find((key) => {
-    return !VALID_TOP_KEYS.includes(key);
-  });
-  if (invalidKey) {
-    throw Error(`Unknown key: "${invalidKey}"`);
-  }
-};
-
-const validateKeymaps = (keymaps: any): void => {
-  for (let key of Object.keys(keymaps)) {
-    let value = keymaps[key];
-    if (!VALID_OPERATION_VALUES.includes(value.type)) {
-      throw Error(`Unknown operation: "${value.type}"`);
-    }
-  }
-};
-
-const validateSearch = (search: any): void => {
-  let engines = search.engines;
-  for (let key of Object.keys(engines)) {
-    if ((/\s/).test(key)) {
-      throw new Error(
-        `While space in search engine name is not allowed: "${key}"`
-      );
-    }
-    let url = engines[key];
-    if (!url.match(/{}/)) {
-      throw new Error(`No {}-placeholders in URL of "${key}"`);
-    }
-    if (url.match(/{}/g).length > 1) {
-      throw new Error(`Multiple {}-placeholders in URL of "${key}"`);
-    }
-  }
-
-  if (!search.default) {
-    throw new Error(`Default engine is not set`);
-  }
-  if (!Object.keys(engines).includes(search.default)) {
-    throw new Error(`Default engine "${search.default}" not found`);
-  }
-};
-
-const validateProperties = (props: any): void => {
-  for (let name of Object.keys(props)) {
-    if (!properties.types[name]) {
-      throw new Error(`Unknown property name: "${name}"`);
-    }
-    if (typeof props[name] !== properties.types[name]) {
-      throw new Error(`Invalid type for property: "${name}"`);
-    }
-  }
-};
-
-const validate = (settings: any): void => {
-  validateInvalidTopKeys(settings);
-  if (settings.keymaps) {
-    validateKeymaps(settings.keymaps);
-  }
-  if (settings.search) {
-    validateSearch(settings.search);
-  }
-  if (settings.properties) {
-    validateProperties(settings.properties);
-  }
-};
-
-export { validate };

src/shared/settings/values.ts

@@ -1,108 +0,0 @@
-import * as properties from './properties';
-
-const operationFromFormName = (name: string): any => {
-  let [type, argStr] = name.split('?');
-  let args = {};
-  if (argStr) {
-    args = JSON.parse(argStr);
-  }
-  return { type, ...args };
-};
-
-const operationToFormName = (op: any): string => {
-  let type = op.type;
-  let args = { ...op };
-  delete args.type;
-
-  if (Object.keys(args).length === 0) {
-    return type;
-  }
-  return op.type + '?' + JSON.stringify(args);
-};
-
-const valueFromJson = (json: string): object => {
-  return JSON.parse(json);
-};
-
-const valueFromForm = (form: any): object => {
-  let keymaps: any = undefined;
-  if (form.keymaps) {
-    keymaps = {};
-    for (let name of Object.keys(form.keymaps)) {
-      let keys = form.keymaps[name];
-      keymaps[keys] = operationFromFormName(name);
-    }
-  }
-
-  let search: any = undefined;
-  if (form.search) {
-    search = { default: form.search.default };
-
-    if (form.search.engines) {
-      search.engines = {};
-      for (let [name, url] of form.search.engines) {
-        search.engines[name] = url;
-      }
-    }
-  }
-
-  return {
-    keymaps,
-    search,
-    blacklist: form.blacklist,
-    properties: form.properties
-  };
-};
-
-const jsonFromValue = (value: any): string => {
-  return JSON.stringify(value, undefined, 2);
-};
-
-const formFromValue = (value: any, allowedOps: any[]): any => {
-  let keymaps: any = undefined;
-
-  if (value.keymaps) {
-    let allowedSet = new Set(allowedOps);
-
-    keymaps = {};
-    for (let keys of Object.keys(value.keymaps)) {
-      let op = operationToFormName(value.keymaps[keys]);
-      if (allowedSet.has(op)) {
-        keymaps[op] = keys;
-      }
-    }
-  }
-
-  let search: any = undefined;
-  if (value.search) {
-    search = { default: value.search.default };
-    if (value.search.engines) {
-      search.engines = Object.keys(value.search.engines).map((name) => {
-        return [name, value.search.engines[name]];
-      });
-    }
-  }
-
-  let formProperties = { ...properties.defaults, ...value.properties };
-
-  return {
-    keymaps,
-    search,
-    blacklist: value.blacklist,
-    properties: formProperties,
-  };
-};
-
-const jsonFromForm = (form: any): string => {
-  return jsonFromValue(valueFromForm(form));
-};
-
-const formFromJson = (json: string, allowedOps: any[]): any => {
-  let value = valueFromJson(json);
-  return formFromValue(value, allowedOps);
-};
-
-export {
-  valueFromJson, valueFromForm, jsonFromValue, formFromValue,
-  jsonFromForm, formFromJson
-};