fix: enable strict properties, begin fixing errors

config/tsconfig.json

@@ -19,9 +19,11 @@
     "noImplicitThis": true,
     "paths": {},
     "sourceMap": true,
+    "strict": true,
     "strictBindCallApply": true,
     "strictFunctionTypes": true,
     "strictNullChecks": true,
+    "strictPropertyInitialization": true,
     "target": "es2017",
     "types": [
       "chai-as-promised",

src/Bot.ts

@@ -14,7 +14,7 @@ import { ContextFetchOptions, Listener, ListenerData } from 'src/listener/Listen
 import { ServiceModule } from 'src/module/ServiceModule';
 import { Parser, ParserData } from 'src/parser/Parser';
 import { Service, ServiceDefinition, ServiceEvent } from 'src/Service';
-import { filterNil, mustFind } from 'src/utils';
+import { filterNil, mustFind, mustExist } from 'src/utils';
 import { incrementServiceCounter } from 'src/utils/metrics/Service';
 import { StorageLogger, StorageLoggerOptions } from 'src/utils/StorageLogger';
 
@@ -39,11 +39,11 @@ export class Bot extends BaseService<BotData> implements Service {
   protected readonly container: Container;
   protected readonly metrics: Registry;
 
-  protected storage: Connection;
+  protected storage?: Connection;
 
   // counters
-  protected cmdCounter: Counter;
-  protected msgCounter: Counter;
+  protected cmdCounter!: Counter;
+  protected msgCounter!: Counter;
 
   // services
   protected controllers: Array<Controller>;
@@ -77,11 +77,11 @@ export class Bot extends BaseService<BotData> implements Service {
     this.incoming = new Subject();
     this.outgoing = new Subject();
 
-    bindAll(this, 'looseError');
+    this.startMetrics();
   }
 
   public getStorage(): Connection {
-    return this.storage;
+    return mustExist(this.storage);
   }
 
   public async notify(event: ServiceEvent) {
@@ -103,17 +103,13 @@ export class Bot extends BaseService<BotData> implements Service {
    */
   public async start() {
     await super.start();
-
     this.logger.info('starting bot');
 
-    this.logger.info('setting up streams');
-    /* tslint:disable:no-unbound-method */
-    this.commands.subscribe((next) => this.receiveCommand(next).catch(this.looseError));
-    this.incoming.subscribe((next) => this.receive(next).catch(this.looseError));
-    this.outgoing.subscribe((next) => this.receiveMessage(next).catch(this.looseError));
-    /* tslint:enable */
+    const streamError = (err: Error) => this.looseError(err);
+    this.commands.subscribe((next) => this.receiveCommand(next).catch(streamError));
+    this.incoming.subscribe((next) => this.receive(next).catch(streamError));
+    this.outgoing.subscribe((next) => this.receiveMessage(next).catch(streamError));
 
-    await this.startMetrics();
     await this.startStorage();
     await this.startServices();
 
@@ -174,9 +170,10 @@ export class Bot extends BaseService<BotData> implements Service {
    * Add a message to the send queue.
    */
   public async sendMessage(...messages: Array<Message>): Promise<Array<Message>> {
+    const storage = mustExist(this.storage);
     const results = [];
     for (const data of messages) {
-      const msg = await this.storage.getRepository(Message).save(data);
+      const msg = await storage.getRepository(Message).save(data);
       this.logger.debug({ msg }, 'message saved');
       this.outgoing.next(msg);
       results.push(msg);
@@ -185,9 +182,10 @@ export class Bot extends BaseService<BotData> implements Service {
   }
 
   public async executeCommand(...commands: Array<Command>): Promise<Array<Command>> {
+    const storage = mustExist(this.storage);
     const results = [];
     for (const data of commands) {
-      const cmd = await this.storage.getRepository(Command).save(data);
+      const cmd = await storage.getRepository(Command).save(data);
       this.commands.next(cmd);
       results.push(cmd);
     }
@@ -281,7 +279,7 @@ export class Bot extends BaseService<BotData> implements Service {
     return commands;
   }
 
-  protected async startMetrics() {
+  protected startMetrics() {
     this.logger.info('setting up metrics');
 
     this.cmdCounter = new Counter({
@@ -354,7 +352,7 @@ export class Bot extends BaseService<BotData> implements Service {
    * Note: this method is already bound, so it can be passed with `this.looseError`. Using that requires
    * `tslint:disable:no-unbound-method` as well.
    */
-  protected async looseError(err: Error) {
+  protected looseError(err: Error) {
     this.logger.error(err, 'bot stream did not handle error');
   }
 }

src/controller/CompletionController.ts

@@ -25,7 +25,7 @@ export type CompletionControllerOptions = ControllerOptions<CompletionController
 export class CompletionController extends BaseController<CompletionControllerData> implements Controller {
   protected readonly storage: Connection;
   protected readonly fragmentRepository: Repository<Fragment>;
-  protected target: Listener;
+  protected target?: Listener;
 
   constructor(options: CompletionControllerOptions) {
     super(options, 'isolex#/definitions/service-controller-completion', [NOUN_FRAGMENT]);
@@ -37,7 +37,7 @@ export class CompletionController extends BaseController<CompletionControllerDat
   public async start() {
     await super.start();
 
-    this.target = this.services.getService(this.data.defaultTarget);
+    this.target = this.services.getService<Listener>(this.data.defaultTarget);
   }
 
   @HandleNoun(NOUN_FRAGMENT)
@@ -51,15 +51,14 @@ export class CompletionController extends BaseController<CompletionControllerDat
     const parserId = cmd.getHead('parser');
     const verb = cmd.getHead('verb') as CommandVerb;
 
-    const fragment = await this.fragmentRepository.save(new Fragment({
-      data: cmd.data,
-      key,
-      labels: cmd.labels,
-      noun,
-      parserId,
-      userId: user.id,
-      verb,
-    }));
+    const fragment = new Fragment();
+    fragment.data = cmd.data;
+    fragment.key = key;
+    fragment.labels = cmd.labels;
+    fragment.noun = noun;
+    fragment.parserId = parserId;
+    fragment.userId = user.id;
+    fragment.verb = verb;
 
     const context = await this.createContext(cmd.context);
     this.logger.debug({ context, fragment }, 'creating fragment for later completion');

src/controller/helpers.ts

@@ -6,28 +6,27 @@ import { NOUN_FRAGMENT } from 'src/controller/CompletionController';
 import { Command, CommandVerb } from 'src/entity/Command';
 import { InvalidArgumentError } from 'src/error/InvalidArgumentError';
 import { Schema } from 'src/schema';
-import { Dict, mapToDict } from 'src/utils/Map';
+import { Dict, mapToDict, dictToMap } from 'src/utils/Map';
 
 export function createCompletion(cmd: Command, key: string, msg: string): Command {
   if (isNil(cmd.context.parser)) {
     throw new InvalidArgumentError('command has no parser to prompt for completion');
   }
 
   const existingData = mapToDict(cmd.data);
-  return new Command({
-    context: cmd.context,
-    data: {
+  const fragment = new Command();
+  fragment.context = cmd.context;
+  fragment.data = dictToMap({
       ...existingData,
       key: [key],
       msg: [msg],
       noun: [cmd.noun],
       parser: [cmd.context.parser.id],
       verb: [cmd.verb],
-    },
-    labels: {},
-    noun: NOUN_FRAGMENT,
-    verb: CommandVerb.Create,
   });
+  fragment.noun = NOUN_FRAGMENT;
+  fragment.verb = CommandVerb.Create;
+  return fragment;
 }
 
 type CollectData = number | string | Array<string>;

src/entity/Command.ts

@@ -35,18 +35,10 @@ export class Command extends BaseCommand implements CommandOptions {
     cascade: true,
   })
   @JoinColumn()
-  public context: Context;
+  public context!: Context;
 
   @PrimaryGeneratedColumn('uuid')
-  public id: string;
-
-  constructor(options?: CommandOptions) {
-    super(options);
-
-    if (options && options.context) {
-      this.context = options.context;
-    }
-  }
+  public id: string = '';
 
   public extend(options: Partial<CommandOptions>) {
     if (options.noun) {
@@ -56,7 +48,8 @@ export class Command extends BaseCommand implements CommandOptions {
       throw new InvalidArgumentError('extended commands may not change verb');
     }
 
-    const cmd = new Command(this);
+    const cmd = new Command();
+    Object.assign(cmd, this); // TODO: is this right?
     if (options.context) {
       cmd.context = options.context;
     }

src/entity/Context.ts

@@ -47,13 +47,13 @@ export const TABLE_CONTEXT = 'context';
 @Entity(TABLE_CONTEXT)
 export class Context extends BaseEntity implements ContextOptions {
   @Column('simple-json')
-  public channel: ChannelData;
+  public channel!: ChannelData;
 
   @PrimaryGeneratedColumn('uuid')
-  public id: string;
+  public id: string = '';
 
   @Column()
-  public name: string;
+  public name: string = '';
 
   public parser?: Parser;
 
@@ -64,7 +64,7 @@ export class Context extends BaseEntity implements ContextOptions {
   public token?: Token;
 
   @Column()
-  public uid: string;
+  public uid: string = '';
 
   public user?: User;
 

src/entity/Fragment.ts

@@ -25,30 +25,16 @@ export interface FragmentOptions extends CommandOptions {
 @Entity(TABLE_FRAGMENT)
 export class Fragment extends BaseCommand implements FragmentOptions {
   @PrimaryGeneratedColumn('uuid')
-  public id: string;
+  public id: string = '';
 
   @Column()
-  public key: string;
+  public key: string = '';
 
   @Column()
-  public parserId: string;
+  public parserId: string = '';
 
   @Column()
-  public userId: string;
-
-  constructor(options?: FragmentOptions) {
-    super(options);
-
-    if (!isNil(options)) {
-      this.data = dictToMap(options.data);
-      this.key = options.key;
-      this.labels = dictToMap(options.labels);
-      this.noun = options.noun;
-      this.parserId = options.parserId;
-      this.userId = options.userId;
-      this.verb = options.verb;
-    }
-  }
+  public userId: string = '';
 
   public toJSON() {
     return {

src/entity/Message.ts

@@ -5,6 +5,7 @@ import { LabelEntity } from 'src/entity/base/LabelEntity';
 import { Context, GRAPH_OUTPUT_CONTEXT } from 'src/entity/Context';
 import { GRAPH_INPUT_NAME_MULTI_VALUE_PAIR, GRAPH_INPUT_NAME_VALUE_PAIR } from 'src/schema/graph/input/Pairs';
 import { GRAPH_OUTPUT_NAME_MULTI_VALUE_PAIR, GRAPH_OUTPUT_NAME_VALUE_PAIR } from 'src/schema/graph/output/Pairs';
+import { TYPE_TEXT } from 'src/utils/Mime';
 
 export interface MessageOptions {
   body: string;
@@ -22,46 +23,34 @@ export class Message extends LabelEntity implements MessageOptions {
   }
 
   public static reply(context: Context, type: string, body: string): Message {
-    return new Message({
-      body,
-      context,
-      reactions: [],
-      type,
-    });
+    const msg = new Message();
+    msg.body = body;
+    msg.context = context;
+    msg.type = type;
+    return msg;
   }
 
   @Column()
-  public body: string;
+  public body: string = '';
 
   @OneToOne((type) => Context, (context) => context.id, {
     cascade: true,
   })
   @JoinColumn()
-  public context: Context;
+  public context!: Context;
 
   @PrimaryGeneratedColumn('uuid')
-  public id: string;
+  public id: string = '';
 
   @Column('simple-json')
-  public reactions: Array<string>;
+  public reactions: Array<string> = [];
 
   /**
    * MIME type of the message. Typically `text/plain`, but can be an `image/*` or `audio/*` type, depending on the
    * listener.
    */
   @Column()
-  public type: string;
-
-  constructor(options?: MessageOptions) {
-    super();
-
-    if (options) {
-      this.body = options.body;
-      this.context = options.context;
-      this.reactions = Array.from(options.reactions || []);
-      this.type = options.type;
-    }
-  }
+  public type: string = TYPE_TEXT;
 
   public toJSON(): object {
     return {

src/entity/Tick.ts

@@ -8,13 +8,13 @@ export const TABLE_TICK = 'tick';
 @Entity(TABLE_TICK)
 export class Tick extends BaseEntity {
   @PrimaryGeneratedColumn('uuid')
-  public id: string;
+  public id: string = '';
 
   @Column()
-  public intervalId: string;
+  public intervalId: string = '';
 
   @Column()
-  public status: number;
+  public status: number = 0;
 
   public toJSON(): object {
     return {

src/entity/auth/Role.ts

@@ -13,24 +13,15 @@ export const TABLE_ROLE = 'role';
 @Entity(TABLE_ROLE)
 export class Role extends BaseEntity implements RoleOptions {
   @PrimaryGeneratedColumn('uuid')
-  public id: string;
+  public id: string = '';
 
   @Column({
     unique: true,
   })
-  public name: string;
+  public name: string = '';
 
   @Column('simple-json')
-  public grants: Array<string>;
-
-  constructor(options?: RoleOptions) {
-    super();
-
-    if (options) {
-      this.grants = Array.from(options.grants);
-      this.name = options.name;
-    }
-  }
+  public grants: Array<string> = [];
 
   public toJSON() {
     return {