Replace typescript

.eslintrc.json

@@ -1,4 +1,14 @@
 {
   "root": true,
-  "extends": "hexo"
-}
+  "extends": "hexo/ts.js",
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaVersion": 2020
+  },
+  "rules": {
+    "@typescript-eslint/no-unused-vars": 0,
+    "@typescript-eslint/no-explicit-any": 0,
+    "@typescript-eslint/no-var-requires": 0,
+    "no-use-before-define": 0
+  }
+}

.gitignore

@@ -4,4 +4,5 @@ node_modules/
 .nyc_output/
 *.log
 docs/
-coverage/
+coverage/
+dist

package.json

@@ -2,18 +2,21 @@
   "name": "warehouse",
   "version": "4.0.1",
   "description": "Simple JSON-based database",
-  "main": "lib/database",
+  "main": "dist/database",
   "directories": {
-    "lib": "./lib"
+    "lib": "./dist"
   },
   "files": [
-    "lib/"
+    "dist/"
   ],
   "scripts": {
-    "eslint": "eslint lib test",
-    "test": "mocha \"test/scripts/**/*.js\"",
+    "pretest": "npm run typescript",
+    "typescript": "tsc --build tsconfig.json",
+    "eslint": "eslint src test",
+    "test": "mocha -r ts-node/register 'test/scripts/**/*.ts'",
     "test-cov": "nyc --reporter=lcovonly --reporter=text-summary npm test",
-    "jsdoc": "jsdoc --configure .jsdoc.json"
+    "jsdoc": "jsdoc --configure .jsdoc.json",
+    "prepublish": "npm run typescript"
   },
   "repository": "hexojs/warehouse",
   "keywords": [
@@ -24,26 +27,37 @@
   "author": "Tommy Chen <[email protected]> (http://zespia.tw)",
   "license": "MIT",
   "dependencies": {
-    "bluebird": "^3.2.2",
-    "cuid": "^2.1.4",
-    "graceful-fs": "^4.1.3",
+    "bluebird": "^3.7.2",
+    "cuid": "^2.1.8",
+    "graceful-fs": "^4.2.10",
     "hexo-log": "^3.0.0",
     "is-plain-object": "^5.0.0",
     "jsonparse": "^1.3.1",
-    "rfdc": "^1.1.4",
+    "rfdc": "^1.3.0",
     "through2": "^4.0.2"
   },
   "devDependencies": {
-    "chai": "^4.2.0",
+    "@types/bluebird": "^3.5.36",
+    "@types/chai": "^4.3.1",
+    "@types/graceful-fs": "^4.1.5",
+    "@types/jsonstream": "^0.8.30",
+    "@types/mocha": "^9.1.1",
+    "@types/node": "^18.0.0",
+    "@types/sinon": "^10.0.11",
+    "@typescript-eslint/eslint-plugin": "^5.29.0",
+    "@typescript-eslint/parser": "^5.29.0",
+    "chai": "^4.3.6",
     "chai-as-promised": "^7.1.1",
-    "eslint": "^8.1.0",
+    "eslint": "^8.18.0",
     "eslint-config-hexo": "^5.0.0",
-    "jsdoc": "^3.4.0",
-    "lodash": "^4.17.15",
-    "minami": "^1.1.1",
+    "jsdoc": "^3.6.10",
+    "lodash": "^4.17.21",
+    "minami": "^1.2.3",
     "mocha": "^10.0.0",
     "nyc": "^15.0.0",
-    "sinon": "^14.0.0"
+    "sinon": "^14.0.0",
+    "ts-node": "^10.8.1",
+    "typescript": "^4.7.4"
   },
   "engines": {
     "node": ">=14"

lib/database.js → src/database.ts

@@ -1,28 +1,28 @@
-'use strict';
-
-const { parse: createJsonParseStream } = require('./jsonstream');
-const Promise = require('bluebird');
-const fs = require('graceful-fs');
-const Model = require('./model');
-const Schema = require('./schema');
-const SchemaType = require('./schematype');
-const WarehouseError = require('./error');
+import { parse as createJsonParseStream } from './lib/jsonstream';
+import Bluebird from 'bluebird';
+import { writev, promises as fsPromises, createReadStream } from 'graceful-fs';
+import { pipeline, Stream } from 'stream';
+import Model from './model';
+import Schema from './schema';
+import SchemaType from './schematype';
+import WarehouseError from './error';
+import log from 'hexo-log';
+
 const pkg = require('../package.json');
-const { open } = fs.promises;
-const pipeline = Promise.promisify(require('stream').pipeline);
-const log = require('hexo-log')();
+const { open } = fsPromises;
+const pipelineAsync = Bluebird.promisify(pipeline) as (...args: Stream[]) => Bluebird<unknown>;
 
-let _writev;
+let _writev: (handle: fsPromises.FileHandle, buffers: Buffer[]) => Promise<unknown>;
 
-if (typeof fs.writev === 'function') {
+if (typeof writev === 'function') {
   _writev = (handle, buffers) => handle.writev(buffers);
 } else {
   _writev = async (handle, buffers) => {
     for (const buffer of buffers) await handle.write(buffer);
   };
 }
 
-async function exportAsync(database, path) {
+async function exportAsync(database: Database, path: string) {
   const handle = await open(path, 'w');
 
   try {
@@ -69,7 +69,17 @@ async function exportAsync(database, path) {
   }
 }
 
+type DatabaseOptions = {
+  version: number,
+  path: string,
+  onUpgrade: (...args: any[]) => any,
+  onDowngrade: (...args: any[]) => any
+};
+
 class Database {
+  options: DatabaseOptions;
+  _models: any;
+  Model: typeof Model;
 
   /**
    * Database constructor.
@@ -80,13 +90,15 @@ class Database {
    *   @param {function} [options.onUpgrade] Triggered when the database is upgraded
    *   @param {function} [options.onDowngrade] Triggered when the database is downgraded
    */
-  constructor(options) {
-    this.options = Object.assign({
+  constructor(options?: { path: string } & Partial<DatabaseOptions>) {
+    this.options = {
       version: 0,
+      // eslint-disable-next-line @typescript-eslint/no-empty-function
       onUpgrade() {},
-
-      onDowngrade() {}
-    }, options);
+      // eslint-disable-next-line @typescript-eslint/no-empty-function
+      onDowngrade() {},
+      ...options
+    };
 
     this._models = {};
 
@@ -104,7 +116,7 @@ class Database {
    * @param {Schema|object} [schema]
    * @return {Model}
    */
-  model(name, schema) {
+  model(name: string, schema?: any) {
     if (this._models[name]) {
       return this._models[name];
     }
@@ -120,7 +132,7 @@ class Database {
    * @param {function} [callback]
    * @return {Promise}
    */
-  load(callback) {
+  load(callback?) {
     const { path, onUpgrade, onDowngrade, version: newVersion } = this.options;
 
     if (!path) throw new WarehouseError('options.path is required');
@@ -143,9 +155,9 @@ class Database {
       this.model(data.key)._import(data.value);
     });
 
-    const rs = fs.createReadStream(path, 'utf8');
+    const rs = createReadStream(path, 'utf8');
 
-    return pipeline(rs, parseStream).then(() => {
+    return pipelineAsync(rs, parseStream).then(() => {
       if (newVersion > oldVersion) {
         return onUpgrade(oldVersion, newVersion);
       } else if (newVersion < oldVersion) {
@@ -160,11 +172,11 @@ class Database {
    * @param {function} [callback]
    * @return {Promise}
    */
-  save(callback) {
+  save(callback?) {
     const { path } = this.options;
 
     if (!path) throw new WarehouseError('options.path is required');
-    return Promise.resolve(exportAsync(this, path)).asCallback(callback);
+    return Bluebird.resolve(exportAsync(this, path)).asCallback(callback);
   }
 
   toJSON() {
@@ -182,12 +194,15 @@ class Database {
       }, models
     };
   }
+  static Schema = Schema;
+  Schema: typeof Schema;
+  static SchemaType = SchemaType;
+  SchemaType: typeof SchemaType;
+  static version: number;
 }
 
 Database.prototype.Schema = Schema;
-Database.Schema = Database.prototype.Schema;
 Database.prototype.SchemaType = SchemaType;
-Database.SchemaType = Database.prototype.SchemaType;
 Database.version = pkg.version;
 
-module.exports = Database;
+export default Database;

lib/document.js → src/document.ts

@@ -1,8 +1,10 @@
-'use strict';
+import rfdc from 'rfdc';
+const cloneDeep = rfdc();
 
-const cloneDeep = require('rfdc')();
-
-class Document {
+abstract class Document {
+  abstract _model;
+  _id!: any;
+  abstract _schema;
 
   /**
    * Document constructor.
@@ -101,4 +103,4 @@ function isGetter(obj, key) {
   return Object.getOwnPropertyDescriptor(obj, key).get;
 }
 
-module.exports = Document;
+export default Document;

lib/error.js → src/error.ts

@@ -1,25 +1,24 @@
-'use strict';
-
 class WarehouseError extends Error {
+  code?: string;
 
   /**
    * WarehouseError constructor
    *
    * @param {string} msg
    * @param {string} code
    */
-  constructor(msg, code) {
+  constructor(msg: string, code?: string) {
     super(msg);
 
     Error.captureStackTrace(this);
 
     this.code = code;
   }
+  static ID_EXIST = 'ID_EXIST';
+  static ID_NOT_EXIST = 'ID_NOT_EXIST';
+  static ID_UNDEFINED = 'ID_UNDEFINED';
 }
 
 WarehouseError.prototype.name = 'WarehouseError';
-WarehouseError.ID_EXIST = 'ID_EXIST';
-WarehouseError.ID_NOT_EXIST = 'ID_NOT_EXIST';
-WarehouseError.ID_UNDEFINED = 'ID_UNDEFINED';
 
-module.exports = WarehouseError;
+export default WarehouseError;

lib/error/population.js → src/error/population.ts

@@ -1,9 +1,7 @@
-'use strict';
-
-const WarehouseError = require('../error');
+import WarehouseError from '../error';
 
 class PopulationError extends WarehouseError {}
 
 PopulationError.prototype.name = 'PopulationError';
 
-module.exports = PopulationError;
+export default PopulationError;

lib/error/validation.js → src/error/validation.ts

@@ -1,9 +1,7 @@
-'use strict';
-
-const WarehouseError = require('../error');
+import WarehouseError from '../error';
 
 class ValidationError extends WarehouseError {}
 
 ValidationError.prototype.name = 'ValidationError';
 
-module.exports = ValidationError;
+export default ValidationError;

lib/jsonstream/index.js → src/lib/jsonstream/index.ts

@@ -1,7 +1,5 @@
-'use strict';
-
-const through2 = require('through2');
-const Parser = require('jsonparse');
+import through2 from 'through2';
+import Parser from 'jsonparse';
 
 /**
  * Check whether a x and y are equal, or x matches y, or x(y) is truthy.
@@ -29,7 +27,7 @@ const check = (x, y) => {
   return false;
 };
 
-module.exports.parse = function(path, map) {
+export function parse(path, map = null) {
   let header, footer;
 
   const parser = new Parser();
@@ -199,4 +197,4 @@ module.exports.parse = function(path, map) {
       footer[key] = value;
     }
   }
-};
+}