feat: add typescript declaration file (#743)

.github/PULL_REQUEST_TEMPLATE.md

@@ -5,3 +5,4 @@
 - [ ] Test manually the implemented changes
 - [ ] Review my own code (indentation, syntax, style, simplicity, readability)
 - [ ] Wonder if you can improve the existing code
+- [ ] If needed, Types have been updated

package.json

@@ -23,6 +23,7 @@
     "url": "git://github.com/ForestAdmin/forest-express-sequelize.git"
   },
   "main": "dist/index.js",
+  "types": "./types/index.d.ts",
   "dependencies": {
     "@babel/runtime": "7.10.1",
     "bluebird": "2.9.25",
@@ -47,6 +48,8 @@
     "@semantic-release/changelog": "5.0.1",
     "@semantic-release/git": "9.0.0",
     "@types/jest": "26.0.9",
+    "@typescript-eslint/eslint-plugin": "4.26.0",
+    "@typescript-eslint/parser": "4.26.0",
     "babel-eslint": "10.0.3",
     "eslint": "6.8.0",
     "eslint-config-airbnb-base": "14.0.0",
@@ -65,12 +68,13 @@
     "sequelize": "5.21.3",
     "sequelize-fixtures": "1.1.1",
     "simple-git": "1.65.0",
-    "tedious": "11.0.8"
+    "tedious": "11.0.8",
+    "typescript": "4.3.2"
   },
   "scripts": {
     "build": "babel src --out-dir dist",
     "build:watch": "onchange 'src/**/*.js' 'node_modules/forest-express/dist/*' --no-exclude -i -- babel --source-maps inline --out-dir dist src",
-    "lint": "./node_modules/eslint/bin/eslint.js .eslint-bin src test",
+    "lint": "./node_modules/eslint/bin/eslint.js .eslint-bin src test types/index.d.ts",
     "test": "jest",
     "test:coverage": "jest --coverage"
   }

types/.eslintrc.js

@@ -0,0 +1,15 @@
+module.exports = {
+  "root": true,
+  "parser": "@typescript-eslint/parser",
+  "plugins": [
+    "@typescript-eslint"
+  ],
+  "rules": {
+    "@typescript-eslint/no-explicit-any": "off"
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended"
+  ]
+}

types/index.d.ts

@@ -0,0 +1,256 @@
+import { RequestHandler, Response, Request, NextFunction, Application } from 'express';
+import * as Sequelize from 'sequelize';
+
+// Everything related to Forest initialization
+
+export interface LianaOptions {
+  objectMapping: typeof Sequelize;
+  envSecret: string;
+  authSecret: string;
+  connections: Record<string, Sequelize.Sequelize>;
+  includedModels?: string[];
+  excludedModels?: string[];
+  configDir?: string;
+}
+
+export function init(options: LianaOptions): Promise<Application>;
+
+export interface DatabaseConfiguration {
+  name: string,
+  modelsDir: string,
+  connection: {
+    url: string,
+    options: Sequelize.Options,
+  }
+}
+
+// Everything related to Forest Authentication
+
+export function ensureAuthenticated(request: Request, response: Response, next: NextFunction): void;
+
+// Everything related to Forest constants
+
+export const PUBLIC_ROUTES: string[];
+
+// Everything related to record manipulation
+
+interface RecordsSerialized {
+  data: Record<string, unknown>[],
+  included: Record<string, unknown>[],
+}
+
+export class AbstractRecordTool<M extends Sequelize.Model> {
+  constructor(model: Sequelize.ModelCtor<M>)
+  serialize(records: M | M[]): Promise<RecordsSerialized>;
+}
+
+export class RecordGetter<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  get(recordId: string): Promise<M>;
+}
+
+export class RecordsGetter<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  getAll(query: Query): Promise<M[]>;
+  getIdsFromRequest(request: Request): Promise<string[]>;
+}
+
+export class RecordsCounter<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  count(query: Query): Promise<number>;
+}
+
+export class RecordsExporter<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  streamExport(response: Response, query: Query): Promise<void>;
+}
+
+export class RecordUpdater<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  deserialize(body: Record<string, unknown>): Promise<Record<string, unknown>>;
+  update(record: Record<string, unknown>, recordId: string): Promise<M>;
+}
+
+export class RecordCreator<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  deserialize(body: Record<string, unknown>): Promise<Record<string, unknown>>;
+  create(record: Record<string, unknown>): Promise<M>;
+}
+
+export class RecordRemover<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  remove(recordId: string | number): Promise<void>;
+}
+
+export class RecordsRemover<M extends Sequelize.Model> extends AbstractRecordTool<M> {
+  remove(recordIds: string[] | number[]): Promise<void>;
+}
+
+// Everything related to Forest permissions
+
+export class PermissionMiddlewareCreator {
+  constructor(collectionName: string)
+  list(): RequestHandler;
+  export(): RequestHandler;
+  details(): RequestHandler;
+  create(): RequestHandler;
+  update(): RequestHandler;
+  delete(): RequestHandler;
+  smartAction(): RequestHandler;
+}
+
+// Everything related to Forest Charts
+
+export interface StatSerialized {
+  data: {
+    type: string,
+    id: string,
+    attributes: {
+      value: any[]
+    }
+  };
+}
+
+export class StatSerializer {
+  constructor(stats: { value: any[] })
+  perform(): StatSerialized;
+}
+
+// Everything related to Forest request params
+
+export interface Page {
+  number: number;
+  size: number;
+}
+
+export interface Filter {
+  field: string;
+  operator: string;
+  value: string;
+}
+
+export enum Aggregator {
+  AND = 'and',
+  OR = 'or'
+}
+
+export interface AggregatedFilters {
+  aggregator: Aggregator;
+  conditions: Filter[];
+}
+
+export interface Query {
+  timezone?: string;
+  search?: string;
+  fields?: {[key: string]: string};
+  sort?: string;
+  filters?: Filter|AggregatedFilters;
+  page?: Page;
+  searchExtended?: string;
+}
+
+// Everything related to Forest collection configuration
+
+export interface SmartFieldValueGetter<M extends Sequelize.Model = any> {
+  (record: M): any;
+}
+
+export interface SmartFieldValueSetter<M extends Sequelize.Model = any> {
+  (record: M, fieldValue: any): any;
+}
+
+export interface SmartFieldSearchQuery {
+  include: string[],
+  where: Sequelize.WhereOptions,
+}
+
+export interface SmartFieldSearcher {
+  (query: SmartFieldSearchQuery, search: string): SmartFieldSearchQuery;
+}
+
+export interface SmartFieldFiltererFilter {
+  condition: Filter,
+  where: Record<symbol, Record<symbol, any> | any>,
+}
+
+export interface SmartFieldFilterer {
+  (filter: SmartFieldFiltererFilter): Sequelize.WhereOptions;
+}
+
+export interface SegmentAggregationCreator<M extends Sequelize.Model = any> {
+  (model: M): Sequelize.WhereOptions;
+}
+
+type FieldType = 'Boolean' | 'Date' | 'Dateonly' | 'Enum' | 'File' | 'Number' | 'String' | ['Enum'] | ['Number'] | ['String'];
+
+type FieldEnumsType = string[] | number[] | Date[] | boolean[];
+
+export interface SmartFieldOptions {
+  field: string;
+  description?: string;
+  type: FieldType;
+  isFilterable?: boolean;
+  isReadOnly?: boolean;
+  isRequired?: boolean;
+  reference?: string;
+  enums?: FieldEnumsType;
+  defaultValue?: any;
+  get?: SmartFieldValueGetter;
+  set?: SmartFieldValueSetter;
+  search?: SmartFieldSearcher;
+  filter?: SmartFieldFilterer;
+}
+
+export interface SmartActionField {
+  field: string,
+  description?: string,
+  type: FieldType,
+  isRequired?: boolean,
+  isReadOnly?: boolean,
+  enums?: FieldEnumsType,
+  defaultValue?: any,
+  reference?: string,
+}
+
+export interface SmartActionHookField extends SmartActionField {
+  value: any,
+}
+
+export interface SmartActionLoadHookField extends SmartActionHookField {
+  position: number,
+}
+
+export interface SmartActionLoadHook<M extends Sequelize.Model = any> {
+  (context: { fields: Record<string, SmartActionLoadHookField>, record: M }): Record<string, SmartActionLoadHookField>
+}
+
+export interface SmartActionChangeHookField extends SmartActionHookField {
+  previousValue: any,
+}
+
+export interface SmartActionChangeHook<M extends Sequelize.Model = any> {
+  (context: { fields: Record<string, SmartActionChangeHookField>, record: M }): Record<string, SmartActionChangeHookField>
+}
+
+export interface SmartActionHooks {
+  load: SmartActionLoadHook;
+  change: Record<string, SmartActionChangeHook>;
+}
+
+export interface SmartActionOptions {
+  name: string;
+  type?: 'global' | 'bulk' | 'single';
+  fields?: SmartActionField[];
+  download?: boolean;
+  endpoint?: string;
+  httpMethod?: string;
+  hooks?: SmartActionHooks;
+}
+
+export interface SmartSegmentOptions {
+  name: string;
+  where: SegmentAggregationCreator;
+}
+
+export interface CollectionOptions {
+  fields?: SmartFieldOptions[];
+  actions?: SmartActionOptions[];
+  segments?: SmartSegmentOptions[];
+}
+
+export function collection(name: string, options: CollectionOptions): void;
+
+export function errorHandler(): RequestHandler;