feat: migration of the codebase to TypeScript (#56)

.eslintignore

@@ -0,0 +1,6 @@
+node_modules
+public
+docs
+lib
+build
+example

.eslintrc

@@ -0,0 +1,125 @@
+env:
+ es6: true
+ jest/globals: true
+ node: true
+
+parser: "@typescript-eslint/parser"
+
+plugins:
+ - "@typescript-eslint"
+ - security
+ - sonarjs
+ - jest
+
+extends:
+ - eslint:recommended
+ - plugin:@typescript-eslint/eslint-recommended
+ - plugin:@typescript-eslint/recommended
+ - plugin:security/recommended
+ - plugin:sonarjs/recommended
+ - plugin:jest/recommended
+
+parserOptions:
+ ecmaVersion: 2018
+
+rules:
+ # Ignore Rules
+ strict: 0
+ no-underscore-dangle: 0
+ no-mixed-requires: 0
+ no-process-exit: 0
+ no-warning-comments: 0
+ curly: 0
+ no-multi-spaces: 0
+ no-alert: 0
+ consistent-return: 0
+ consistent-this: [0, self]
+ func-style: 0
+ max-nested-callbacks: 0
+ camelcase: 0
+
+ # Warnings
+ no-debugger: 1
+ no-empty: 1
+ no-invalid-regexp: 1
+ no-unused-expressions: 1
+ no-native-reassign: 1
+ no-fallthrough: 1
+ sonarjs/cognitive-complexity: 1
+
+ # Errors
+ eqeqeq: 2
+ no-undef: 2
+ no-dupe-keys: 2
+ no-empty-character-class: 2
+ no-self-compare: 2
+ valid-typeof: 2
+ no-unused-vars: [2, { "args": "none" }]
+ handle-callback-err: 2
+ no-shadow-restricted-names: 2
+ no-new-require: 2
+ no-mixed-spaces-and-tabs: 2
+ block-scoped-var: 2
+ no-else-return: 2
+ no-throw-literal: 2
+ no-void: 2
+ radix: 2
+ wrap-iife: [2, outside]
+ no-shadow: 0
+ no-path-concat: 2
+ valid-jsdoc: [0, {requireReturn: false, requireParamDescription: false, requireReturnDescription: false}]
+
+ # stylistic errors
+ no-spaced-func: 2
+ semi-spacing: 2
+ quotes: [2, 'single']
+ key-spacing: [2, { beforeColon: false, afterColon: true }]
+ indent: [2, 2]
+ no-lonely-if: 2
+ no-floating-decimal: 2
+ brace-style: [2, 1tbs, { allowSingleLine: true }]
+ comma-style: [2, last]
+ no-multiple-empty-lines: [2, {max: 1}]
+ no-nested-ternary: 2
+ operator-assignment: [2, always]
+ padded-blocks: [2, never]
+ quote-props: [2, as-needed]
+ keyword-spacing: [2, {'before': true, 'after': true, 'overrides': {}}]
+ space-before-blocks: [2, always]
+ array-bracket-spacing: [2, never]
+ computed-property-spacing: [2, never]
+ space-in-parens: [2, never]
+ space-unary-ops: [2, {words: true, nonwords: false}]
+ wrap-regex: 2
+ linebreak-style: 0
+ semi: [2, always]
+ arrow-spacing: [2, {before: true, after: true}]
+ no-class-assign: 2
+ no-const-assign: 2
+ no-dupe-class-members: 2
+ no-this-before-super: 2
+ no-var: 2
+ object-shorthand: [2, always]
+ prefer-arrow-callback: 2
+ prefer-const: 2
+ prefer-spread: 2
+ prefer-template: 2
+
+ # TypeScript
+ "@typescript-eslint/no-empty-interface": "off"
+ # disable JS rule 
+ no-use-before-define: "off"
+ "@typescript-eslint/no-use-before-define": ["error"]
+ "@typescript-eslint/no-empty-function": "off"
+ "@typescript-eslint/ban-ts-comment": "off"
+ "@typescript-eslint/no-explicit-any": "off"
+ "@typescript-eslint/explicit-module-boundary-types": "off"
+ "@typescript-eslint/no-this-alias": "off"
+
+overrides:
+ - files: "tests/**/*.spec.ts"
+ rules:
+ prefer-arrow-callback: 0
+ sonarjs/no-duplicate-string: 0
+ security/detect-object-injection: 0
+ security/detect-non-literal-fs-filename: 0

.gitignore

@@ -1 +1,2 @@
 node_modules
+/lib

API.md

@@ -5,21 +5,24 @@
 <dd></dd>
 </dl>
 
+## Members
+
+<dl>
+<dt><a href="#validate">validate</a> ⇒ <code>Array.&lt;Object&gt;</code></dt>
+<dd></dd>
+</dl>
+
 ## Functions
 
 <dl>
-<dt><a href="#bundle">bundle(files, options)</a> ⇒ <code><a href="#Document">Document</a></code></dt>
+<dt><a href="#bundle">bundle(files, [options])</a> ⇒ <code><a href="#Document">Document</a></code></dt>
 <dd></dd>
-<dt><a href="#parse">parse(JSONSchema)</a></dt>
-<dd><p>resolves external references and updates $refs</p>
-</dd>
 <dt><a href="#isExternalReference">isExternalReference(ref)</a> ⇒ <code>boolean</code></dt>
-<dd><p>This function checks for external reference.</p>
-</dd>
+<dd><p>Checks if <code>ref</code> is an external reference.</p></dd>
 <dt><a href="#resolveExternalRefs">resolveExternalRefs(parsedJSON, $refs)</a> ⇒ <code>ExternalComponents</code></dt>
 <dd></dd>
-<dt><a href="#resolve">resolve(asyncapiDocuments, options)</a> ⇒ <code>Array.&lt;Object&gt;</code></dt>
-<dd></dd>
+<dt><a href="#parse">parse(JSONSchema)</a></dt>
+<dd><p>Resolves external references and updates $refs.</p></dd>
 </dl>
 
 <a name="Document"></a>
@@ -28,27 +31,27 @@
 **Kind**: global class 
 
 * [Document](#Document)
- * [new Document(parsedJSONList, [base])](#new_Document_new)
+ * [new Document(parsedJSONList, base)](#new_Document_new)
  * [.json()](#Document+json) ⇒ <code>Object</code>
  * [.yml()](#Document+yml) ⇒ <code>string</code>
  * [.string()](#Document+string) ⇒ <code>string</code>
 
 <a name="new_Document_new"></a>
 
-### new Document(parsedJSONList, [base])
+### new Document(parsedJSONList, base)
 
 | Param | Type |
 | --- | --- |
 | parsedJSONList | <code>Array.&lt;Object&gt;</code> | 
-| [base] | <code>Object</code> | 
+| base | <code>Object</code> | 
 
 **Example** 
 ```js
 const document = new Document(parsedJSONList, base);
 
-console.log(document.json()); // get json object
-console.log(document.yml()); // get yaml string
-console.log(document.string()); // get json string
+console.log(document.json()); // get JSON object
+console.log(document.yml()); // get YAML string
+console.log(document.string()); // get JSON string
 ```
 <a name="Document+json"></a>
 
@@ -62,51 +65,55 @@ console.log(document.string()); // get json string
 
 ### document.string() ⇒ <code>string</code>
 **Kind**: instance method of [<code>Document</code>](#Document) 
+<a name="validate"></a>
+
+## validate ⇒ <code>Array.&lt;Object&gt;</code>
+**Kind**: global variable 
+
+| Param | Type |
+| --- | --- |
+| asyncapiDocuments | <code>Object</code> | 
+| options | <code>Object</code> | 
+| options.referenceIntoComponents | <code>boolean</code> | 
+
 <a name="bundle"></a>
 
-## bundle(files, options) ⇒ [<code>Document</code>](#Document)
+## bundle(files, [options]) ⇒ [<code>Document</code>](#Document)
 **Kind**: global function 
 
 | Param | Type | Description |
 | --- | --- | --- |
-| files | <code>Array.&lt;string&gt;</code> \| <code>Array.&lt;Object&gt;</code> | files that are to be bundled |
-| options | <code>Object</code> | |
-| options.base | <code>string</code> \| <code>object</code> | base object whose prperties will be retained. |
-| options.referenceIntoComponents | <code>boolean</code> | pass true value to resolve references into component |
+| files | <code>Array.&lt;string&gt;</code> | <p>Array of stringified AsyncAPI documents in YAML format, that are to be bundled (or array of filepaths, resolved and passed via <code>Array.map()</code> and <code>fs.readFileSync</code>, which is the same, see <code>README.md</code>).</p> |
+| [options] | <code>Object</code> | |
+| [options.base] | <code>string</code> \| <code>object</code> | <p>Base object whose properties will be retained.</p> |
+| [options.referenceIntoComponents] | <code>boolean</code> | <p>Pass <code>true</code> to resolve external references to components.</p> |
 
 **Example** 
 ```js
-const bundle = requrie('@asyncapi/bundler');
-const fs = require('fs');
-const path = requrie('path');
+import { readFileSync, writeFileSync } from 'fs';
+import bundle from '@asyncapi/bundler';
+
+async function main() {
+ const document = await bundle([readFileSync('./main.yaml', 'utf-8')], {
+ referenceIntoComponents: true,
+ });
 
-const document = await bundle(fs.readFileSync(
- path.resolve('./asyncapi.yaml', 'utf-8')
-));
+ console.log(document.yml()); // the complete bundled AsyncAPI document
+ writeFileSync('asyncapi.yaml', document.yml()); // the complete bundled AsyncAPI document
+}
 
-console.log(document.yml());
+main().catch(e => console.error(e));
 ```
 <a name="bundle..resolvedJsons"></a>
 
 ### bundle~resolvedJsons
-Bundle all external references for each files.
+<p>Bundle all external references for each file.</p>
 
 **Kind**: inner constant of [<code>bundle</code>](#bundle) 
-<a name="parse"></a>
-
-## parse(JSONSchema)
-resolves external references and updates $refs
-
-**Kind**: global function 
-
-| Param | Type |
-| --- | --- |
-| JSONSchema | <code>Array.&lt;Object&gt;</code> | 
-
 <a name="isExternalReference"></a>
 
 ## isExternalReference(ref) ⇒ <code>boolean</code>
-This function checks for external reference.
+<p>Checks if <code>ref</code> is an external reference.</p>
 
 **Kind**: global function 
 
@@ -124,14 +131,14 @@ This function checks for external reference.
 | parsedJSON | <code>Array.&lt;Object&gt;</code> | 
 | $refs | <code>$RefParser</code> | 
 
-<a name="resolve"></a>
+<a name="parse"></a>
+
+## parse(JSONSchema)
+<p>Resolves external references and updates $refs.</p>
 
-## resolve(asyncapiDocuments, options) ⇒ <code>Array.&lt;Object&gt;</code>
 **Kind**: global function 
 
 | Param | Type |
 | --- | --- |
-| asyncapiDocuments | <code>Object</code> | 
-| options | <code>Object</code> | 
-| options.referenceIntoComponents | <code>boolean</code> | 
+| JSONSchema | <code>Array.&lt;Object&gt;</code> |