From bf03513775663b5b41d99d6c1baba18ae17f31fe Mon Sep 17 00:00:00 2001 From: Shashank3736 Date: Thu, 7 Oct 2021 21:27:16 +0530 Subject: [PATCH] update docs --- docs/Captcha.html | 1226 +++++++++++++++++++++++ docs/CaptchaGenerator.html | 1661 +++++++++++++++++++++++++++++++ docs/CaptchaGenerator.js.html | 155 +-- docs/captcha.js.html | 111 +-- docs/constants.js.html | 2 +- docs/extra.js.html | 14 +- docs/global.html | 491 +-------- docs/index.html | 2 +- js-script/CaptchaGenerator.d.ts | 2 +- js-script/CaptchaGenerator.js | 153 +-- js-script/captcha.js | 109 +- js-script/extra.js | 12 +- js-script/index.js | 2 +- js-script/util.js | 20 +- tsconfig.json | 26 +- 15 files changed, 3105 insertions(+), 881 deletions(-) create mode 100644 docs/Captcha.html create mode 100644 docs/CaptchaGenerator.html diff --git a/docs/Captcha.html b/docs/Captcha.html new file mode 100644 index 0000000..3a30fa3 --- /dev/null +++ b/docs/Captcha.html @@ -0,0 +1,1226 @@ + + + + + + + + Captcha + + + + + + + + + + + + + + + + + + + + + + + +
+
+ + +
+ +
+ + API Documentation + + + + +
+
+
+
+
+
+ + +
+
+
+
+

Class

+

Captcha

+
+ + + + + +
+ +
+ +

Captcha(widthopt, heightopt)

+ +

Captcha Generator

+ + +
+ +
+
+ + +
+
+
+
+ Constructor +
+ + + + +

+ # + + + + new Captcha(widthopt, heightopt) + + +

+ + + + +
+

Start captcha image creation.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeAttributesDescription
width + + +number + + + + + + <optional>
+ + + + + +

Width of captcha image.

height + + +number + + + + + + <optional>
+ + + + + +

Height of captcha image.

+
+ + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + captcha.js, line 10 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+ + + + + + + + + + + + + + +
+

Members

+
+ +
+ +

+ # + + + png + + +

+ + + + +
+

Get png image of captcha.

+
+ + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + captcha.js, line 43 + +

+ +
+ + + + + +
+ +
+ +

+ # + + + text + + +

+ + + + +
+

Get Captcha text.

+
+ + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + captcha.js, line 36 + +

+ +
+ + + + + +
+ +
+
+ + + +
+

Methods

+
+ +
+ + + +

+ # + + + + addDecoy(decoyOptionopt) → {Captcha} + + +

+ + + + +
+

Add decoy on your captcha image.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeAttributesDescription
decoyOption + + +SetDecoyOptions + + + + + + <optional>
+ + + + + +

Decoy option you want to customise

+
+ + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + captcha.js, line 61 + +

+ +
+ + + + + + + + + + + + + + + + + + +
+
+
+ + + +
+ + +
+ + +Captcha + + +
+ +
+ + +
+
+ + + + +
+ +
+ + + +

+ # + + + + drawCaptcha(captchaOptionopt) → {Captcha} + + +

+ + + + +
+

Draw captcha text on captcha image.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeAttributesDescription
captchaOption + + +SetCaptchaOptions + + + + + + <optional>
+ + + + + +
+
+ + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + captcha.js, line 102 + +

+ +
+ + + + + + + + + + + + + + + + + + +
+
+
+ + + +
+ + +
+ + +Captcha + + +
+ +
+ + +
+
+ + + + +
+ +
+ + + +

+ # + + + + drawImage(image) → {Captcha} + + +

+ + + + +
+

Draw image on your captcha.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
image + + +Image + + + +

Choose image you want to add.

+
+ + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + captcha.js, line 52 + +

+ +
+ + + + + + + + + + + + + + + + + + +
+
+
+ + + +
+ + +
+ + +Captcha + + +
+ +
+ + +
+
+ + + + +
+ +
+ + + +

+ # + + + + drawTrace(traceOptionopt) → {Captcha} + + +

+ + + + +
+

Draw trace line over your captcha.

+

Note: If you want to use custom text or change size of captcha text then drawCaptcha before drawTrace.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeAttributesDescription
traceOption + + +SetTraceOptions + + + + + + <optional>
+ + + + + +
+
+ + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + captcha.js, line 81 + +

+ +
+ + + + + + + + + + + + + + + + + + +
+
+
+ + + +
+ + +
+ + +Captcha + + +
+ +
+ + +
+
+ + + + +
+ +
+
+ + + + + +
+ +
+ + + + +
+ + + +
+
+
+
+ + + + + + \ No newline at end of file diff --git a/docs/CaptchaGenerator.html b/docs/CaptchaGenerator.html new file mode 100644 index 0000000..f76995d --- /dev/null +++ b/docs/CaptchaGenerator.html @@ -0,0 +1,1661 @@ + + + + + + + + CaptchaGenerator + + + + + + + + + + + + + + + + + + + + + + + +
+
+ + +
+ +
+ + API Documentation + + + + +
+
+
+
+
+
+ + +
+
+
+
+

Class

+

CaptchaGenerator

+
+ + + + + +
+ +
+ +

CaptchaGenerator(optionsopt)

+ +

Captcha generator class.

+ + +
+ +
+
+ + +
+
+
+
+ Constructor +
+ + + + +

+ # + + + + new CaptchaGenerator(optionsopt) + + +

+ + + + +
+

Initatiates the creation of captcha image generation.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeAttributesDefaultDescription
options + + +object + + + + + + <optional>
+ + + + + + 		+ +

Options for constructor.

height + + +integer + + + + + + <optional>
+ + + + + + 		+ + 100 + +

Height of captcha image.

width + + +integer + + + + + + <optional>
+ + + + + + 		+ + 300 + +

Width of captcha image.

+
+ + + + + +
+ + + + +
Since:
+
  • 2.0.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 11 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + +
Example
+ + + 
const captcha = new CaptchaGenerator({height: 200, width: 600});
+ + + + +
+
+
+ + +
+ + + + + + + + + + + + + + +
+

Members

+
+ +
+ + + + +string + + + + +

+ # + + + text + + +

+ + + + +
+

Get the text of captcha.

+
+ + + + + +
+ + + + +
Since:
+
  • 2.0.3
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 33 + +

+ +
+ + + + + +
+ +
+
+ + + +
+

Methods

+
+ +
+ + + +

+ # + + + async + + + + + generate() → {Promise.<Buffer>} + + +

+ + + + +
+

Method which returns image buffer

+
+ + + + + + + + + + + + + + +
+ + + + +
Since:
+
  • 2.0.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 134 + +

+ +
+ + + + + + + + + + + + + + + + + + +
+
+
+ + + +
+ + +
+ + +Promise.<Buffer> + + +
+ +
+ + +
+
+ + + + +
Example
+ + + 
const { CaptchaGenerator } = require("captcha-canvas");
const fs = require("fs")
const captcha = new CaptchaGenerator();
const buffer = await captcha.generate() //generate image

fs.writeFileSync("image.png", buffer)
+ + + +
+ +
+ + + +

+ # + + + + generateSync(optionsopt) + + +

+ + + + +
+

Non asynchronous method to generate captcha image.

+
+

Note: It do not use setBackground method value for background image. If you want to set background +and also use generateSync method then use background option in genrateSync method.

+
+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeAttributesDescription
options + + +object + + + + + + <optional>
+ + + + + +

Options to add extra values

background + + +Image + + + + + + <optional>
+ + + + + +

Add background image.

+
+ + + + + +
+ + + + +
Since:
+
  • 2.2.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 163 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + +
Example
+ + + 
const { CaptchaGenerator, resolveImage } = require("captcha-canvas");
const fs = require("fs");
const img = await resolveImage("./path/to/file");

const captcha = new CaptchaGenerator()
.generateSync({background: img});

fs.writeFileSync("image.png", captcha);
+ + + +
+ +
+ + + +

+ # + + + + setBackground(image) + + +

+ + + + +
+

Set background for captcha image.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
image + + +buffer + + + +

Buffer/url/path of image.

+
+ + + + + +
+ + + + +
Since:
+
  • 2.0.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 68 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + +
Example
+ + + 
const { CaptchaGenerator } = require("captcha-canvas");
const fs = require("fs")
const captcha = new CaptchaGenerator();
captcha.setBackground("./path/toFile");
const buffer = await captcha.generate() //generate image

fs.writeFileSync("image.png", buffer)
+ + + +
+ +
+ + + +

+ # + + + + setCaptcha(options) + + +

+ + + + +
+

Change captcha text options

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
options + + +SetCaptchaOptions + + + +

Captcha appearance options.

+
+ + + + + +
+ + + + +
Since:
+
  • 2.0.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 86 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + +
Example
+ + + 
const { CaptchaGenerator } = require("captcha-canvas");
const fs = require("fs")
const captcha = new CaptchaGenerator();
const options = {font: "Comic Sans", size: 60}
captcha.setCaptcha(options)
const buffer = await captcha.generate() //generate image

fs.writeFileSync("image.png", buffer)
+ + + +
+ +
+ + + +

+ # + + + + setDecoy(options) + + +

+ + + + +
+

Change decoy options

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
options + + +SetDecoyOptions + + + +

Decoy characters customisation options

+
+ + + + + +
+ + + + +
Since:
+
  • 2.0.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 117 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + +
+ +
+ + + +

+ # + + + + setDimension(height, width) + + +

+ + + + +
+

set dimension for your captcha image

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
height + + +integer + + + +

Height of captcha image.

width + + +integer + + + +

Width of captcha image.

+
+ + + + + +
+ + + + +
Since:
+
  • 2.0.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 50 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + +
Example
+ + + 
const { CaptchaGenerator } = require("captcha-canvas");
const fs = require("fs")
const captcha = new CaptchaGenerator();
captcha.setDimension(200, 600);
const buffer = await captcha.generate() //generate image

fs.writeFileSync("image.png", buffer)
+ + + +
+ +
+ + + +

+ # + + + + setTrace(options) + + +

+ + + + +
+

Change trace creation options.

+
+ + + + + + + + + + +
Parameters:
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
options + + +SetTraceOptions + + + +

Trace Line appearance options.

+
+ + + + + +
+ + + + +
Since:
+
  • 2.0.0
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +

+ View Source + + CaptchaGenerator.js, line 108 + +

+ +
+ + + + + + + + + + + + + + + + + + + + + +
Example
+ + + 
const { CaptchaGenerator } = require("captcha-canvas");
const fs = require("fs")
const captcha = new CaptchaGenerator();
const options = {size: 5, color: "deeppink"}
captcha.setTrace(options)
const buffer = await captcha.generate() //generate image

fs.writeFileSync("image.png", buffer)
+ + + +
+ +
+
+ + + + + +
+ +
+ + + + +
+ + + +
+
+
+
+ + + + + + \ No newline at end of file diff --git a/docs/CaptchaGenerator.js.html b/docs/CaptchaGenerator.js.html index ec09233..cdf2739 100644 --- a/docs/CaptchaGenerator.js.html +++ b/docs/CaptchaGenerator.js.html @@ -68,7 +68,7 @@ @@ -86,63 +86,16 @@

CaptchaGenerator.js

"use strict";
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
-};
-var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
-    return new (P || (P = Promise))(function (resolve, reject) {
-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
-        step((generator = generator.apply(thisArg, _arguments || [])).next());
-    });
-};
-var __generator = (this && this.__generator) || function (thisArg, body) {
-    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
-    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
-    function verb(n) { return function (v) { return step([n, v]); }; }
-    function step(op) {
-        if (f) throw new TypeError("Generator is already executing.");
-        while (_) try {
-            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
-            if (y = 0, t) op = [op[0] & 2, t.value];
-            switch (op[0]) {
-                case 0: case 1: t = op; break;
-                case 4: _.label++; return { value: op[1], done: false };
-                case 5: _.label++; y = op[1]; op = [0]; continue;
-                case 7: op = _.ops.pop(); _.trys.pop(); continue;
-                default:
-                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
-                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
-                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
-                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
-                    if (t[2]) _.ops.pop();
-                    _.trys.pop(); continue;
-            }
-            op = body.call(thisArg, _);
-        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
-        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
-    }
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.CaptchaGenerator = void 0;
-var skia_canvas_1 = require("skia-canvas");
-var _1 = require(".");
-var constants_1 = require("./constants");
-var util_1 = require("./util");
+const skia_canvas_1 = require("skia-canvas");
+const _1 = require(".");
+const constants_1 = require("./constants");
+const util_1 = require("./util");
 /**
  * Captcha generator class.
  */
-var CaptchaGenerator = /** @class */ (function () {
+class CaptchaGenerator {
     /**
      * Initatiates the creation of captcha image generation.
      * @example const captcha = new CaptchaGenerator({height: 200, width: 600});
@@ -151,8 +104,7 @@ 
CaptchaGenerator.js

      * @param {integer} [options.width=300] Width of captcha image.
      * @since 2.0.0
      */
-    function CaptchaGenerator(options) {
-        if (options === void 0) { options = { height: 100, width: 300 }; }
+    constructor(options = { height: 100, width: 300 }) {
         this.height = options.height;
         this.width = options.width;
         this.captcha = constants_1.defaultCaptchaOption;
@@ -160,18 +112,14 @@ 
CaptchaGenerator.js

         this.decoy = constants_1.defaultDecoyOptions;
         this.captcha.text = (0, util_1.randomText)(this.captcha.characters);
     }
-    Object.defineProperty(CaptchaGenerator.prototype, "text", {
-        /**
-         * Get the text of captcha.
-         * @type {string}
-         * @since 2.0.3
-         */
-        get: function () {
-            return this.captcha.text;
-        },
-        enumerable: false,
-        configurable: true
-    });
+    /**
+     * Get the text of captcha.
+     * @type {string}
+     * @since 2.0.3
+     */
+    get text() {
+        return this.captcha.text;
+    }
     /**
      * set dimension for your captcha image
      * @param {integer} height Height of captcha image.
@@ -186,11 +134,11 @@ 
CaptchaGenerator.js

      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setDimension = function (height, width) {
+    setDimension(height, width) {
         this.height = height;
         this.width = width;
         return this;
-    };
+    }
     /**
      * Set background for captcha image.
      * @param {buffer} image Buffer/url/path of image.
@@ -204,10 +152,10 @@ 
CaptchaGenerator.js

      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setBackground = function (image) {
+    setBackground(image) {
         this.background = image;
         return this;
-    };
+    }
     /**
      * Change captcha text options
      * @param {SetCaptchaOptions} options Captcha appearance options.
@@ -222,14 +170,14 @@ 
CaptchaGenerator.js

      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setCaptcha = function (option) {
-        this.captcha = __assign(__assign({}, this.captcha), option);
+    setCaptcha(option) {
+        this.captcha = { ...this.captcha, ...option };
         if (option.text)
             this.captcha.characters = option.text.length;
         if (!option.text && option.characters)
             this.captcha.text = (0, util_1.randomText)(option.characters);
         return this;
-    };
+    }
     /**
      * Change trace creation options.
      * @param {SetTraceOptions} options Trace Line appearance options.
@@ -244,19 +192,19 @@ 
CaptchaGenerator.js

      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setTrace = function (option) {
-        this.trace = __assign(__assign({}, this.trace), option);
+    setTrace(option) {
+        this.trace = { ...this.trace, ...option };
         return this;
-    };
+    }
     /**
      * Change decoy options
      * @param {SetDecoyOptions} options Decoy characters customisation options
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setDecoy = function (option) {
-        this.decoy = __assign(__assign({}, this.decoy), option);
+    setDecoy(option) {
+        this.decoy = { ...this.decoy, ...option };
         return this;
-    };
+    }
     /**
      * Method which returns image buffer
      * @async
@@ -270,31 +218,18 @@ 
CaptchaGenerator.js

      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.generate = function () {
-        return __awaiter(this, void 0, void 0, function () {
-            var captchaCanvas, _a, _b;
-            return __generator(this, function (_c) {
-                switch (_c.label) {
-                    case 0:
-                        captchaCanvas = new _1.Captcha(this.width, this.height);
-                        if (!this.background) return [3 /*break*/, 2];
-                        _b = (_a = captchaCanvas).drawImage;
-                        return [4 /*yield*/, (0, skia_canvas_1.loadImage)(this.background)];
-                    case 1:
-                        _b.apply(_a, [_c.sent()]);
-                        _c.label = 2;
-                    case 2:
-                        if (this.decoy.opacity)
-                            captchaCanvas.addDecoy(this.decoy);
-                        if (this.captcha.opacity)
-                            captchaCanvas.drawCaptcha(this.captcha);
-                        if (this.trace.opacity)
-                            captchaCanvas.drawTrace(this.trace);
-                        return [2 /*return*/, captchaCanvas.png];
-                }
-            });
-        });
-    };
+    async generate() {
+        const captchaCanvas = new _1.Captcha(this.width, this.height);
+        if (this.background)
+            captchaCanvas.drawImage(await (0, skia_canvas_1.loadImage)(this.background));
+        if (this.decoy.opacity)
+            captchaCanvas.addDecoy(this.decoy);
+        if (this.captcha.opacity)
+            captchaCanvas.drawCaptcha(this.captcha);
+        if (this.trace.opacity)
+            captchaCanvas.drawTrace(this.trace);
+        return captchaCanvas.png;
+    }
     /**
      * Non asynchronous method to generate captcha image.
      * > Note: It do not use `setBackground` method value for background image. If you want to set background
@@ -312,9 +247,8 @@ 
CaptchaGenerator.js

      * fs.writeFileSync("image.png", captcha);
      * @since 2.2.0
      */
-    CaptchaGenerator.prototype.generateSync = function (option) {
-        if (option === void 0) { option = {}; }
-        var captchaCanvas = new _1.Captcha(this.width, this.height);
+    generateSync(option = {}) {
+        const captchaCanvas = new _1.Captcha(this.width, this.height);
         captchaCanvas.async = false;
         if (option.background)
             captchaCanvas.drawImage(option.background);
@@ -325,9 +259,8 @@ 
CaptchaGenerator.js

         if (this.trace.opacity)
             captchaCanvas.drawTrace(this.trace);
         return captchaCanvas.png;
-    };
-    return CaptchaGenerator;
-}());
+    }
+}
 exports.CaptchaGenerator = CaptchaGenerator;
diff --git a/docs/captcha.js.html b/docs/captcha.js.html index 26836da..42d544e 100644 --- a/docs/captcha.js.html +++ b/docs/captcha.js.html @@ -68,7 +68,7 @@ @@ -86,42 +86,29 @@

captcha.js

"use strict";
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.Captcha = void 0;
-var skia_canvas_1 = require("skia-canvas");
-var constants_1 = require("./constants");
-var util_1 = require("./util");
+const skia_canvas_1 = require("skia-canvas");
+const constants_1 = require("./constants");
+const util_1 = require("./util");
 /**
  * Captcha Generator
  */
-var Captcha = /** @class */ (function () {
+class Captcha {
     /**
      * Start captcha image creation.
      * @param {number} [width] Width of captcha image.
      * @param {number} [height] Height of captcha image.
      * @constructor
      */
-    function Captcha(width, height) {
-        if (width === void 0) { width = constants_1.defaultDimension.width; }
-        if (height === void 0) { height = constants_1.defaultDimension.height; }
+    constructor(width = constants_1.defaultDimension.width, height = constants_1.defaultDimension.height) {
         this._height = height;
         this._width = width;
         this._captcha = constants_1.defaultCaptchaOption;
         this._trace = constants_1.defaultTraceOptions;
         this._decoy = constants_1.defaultDecoyOptions;
-        var canvas = new skia_canvas_1.Canvas(width, height);
-        var ctx = canvas.getContext('2d');
+        const canvas = new skia_canvas_1.Canvas(width, height);
+        const ctx = canvas.getContext('2d');
         ctx.lineJoin = 'miter';
         ctx.textBaseline = 'middle';
         this._canvas = canvas;
@@ -129,57 +116,48 @@ 
captcha.js

         this.async = true;
         this._coordinates = [];
     }
-    Object.defineProperty(Captcha.prototype, "text", {
-        /**
-         * Get Captcha text.
-         * @returns {string} Get captcha text.
-         */
-        get: function () {
-            return this._captcha.text || "";
-        },
-        enumerable: false,
-        configurable: true
-    });
-    Object.defineProperty(Captcha.prototype, "png", {
-        /**
-         * Get png image of captcha.
-         * @returns {Buffer} Get png image of captcha created.
-         */
-        get: function () {
-            this._canvas.async = this.async;
-            return this._canvas.png;
-        },
-        enumerable: false,
-        configurable: true
-    });
+    /**
+     * Get Captcha text.
+     * @returns {string} Get captcha text.
+     */
+    get text() {
+        return this._captcha.text || "";
+    }
+    /**
+     * Get png image of captcha.
+     * @returns {Buffer} Get png image of captcha created.
+     */
+    get png() {
+        this._canvas.async = this.async;
+        return this._canvas.png;
+    }
     /**
      * Draw image on your captcha.
      * @param {Image} image Choose image you want to add.
      * @returns {Captcha}
      */
-    Captcha.prototype.drawImage = function (image) {
+    drawImage(image) {
         this._ctx.drawImage(image, 0, 0);
         return this;
-    };
+    }
     /**
      * Add decoy on your captcha image.
      * @param {SetDecoyOptions} [decoyOption] Decoy option you want to customise
      * @returns {Captcha}
      */
-    Captcha.prototype.addDecoy = function (decoyOption) {
-        if (decoyOption === void 0) { decoyOption = {}; }
-        var option = __assign(__assign({}, this._decoy), decoyOption);
+    addDecoy(decoyOption = {}) {
+        const option = { ...this._decoy, ...decoyOption };
         if (!option.total)
             option.total = Math.floor(this._width * this._height / 10000);
-        var decoyText = (0, util_1.randomText)(option.total);
-        this._ctx.font = option.size + "px " + option.font;
+        const decoyText = (0, util_1.randomText)(option.total);
+        this._ctx.font = `${option.size}px ${option.font}`;
         this._ctx.globalAlpha = option.opacity;
         this._ctx.fillStyle = option.color;
-        for (var i = 0; i < decoyText.length; i++) {
+        for (let i = 0; i < decoyText.length; i++) {
             this._ctx.fillText(decoyText[i], (0, util_1.getRandom)(30, this._width - 30), (0, util_1.getRandom)(30, this._height - 30));
         }
         return this;
-    };
+    }
     /**
      * Draw trace line over your captcha.
      *
@@ -187,32 +165,30 @@ 
captcha.js

      * @param {SetTraceOptions} [traceOption]
      * @returns {Captcha}
      */
-    Captcha.prototype.drawTrace = function (traceOption) {
-        if (traceOption === void 0) { traceOption = {}; }
-        var option = __assign(__assign({}, this._trace), traceOption);
+    drawTrace(traceOption = {}) {
+        const option = { ...this._trace, ...traceOption };
         if (!this._coordinates[0])
             this._coordinates = (0, util_1.getRandomCoordinate)(this._height, this._width, this._captcha.characters || 6);
-        var coordinates = this._coordinates;
+        const coordinates = this._coordinates;
         this._ctx.strokeStyle = option.color;
         this._ctx.globalAlpha = option.opacity;
         this._ctx.beginPath();
         this._ctx.moveTo(coordinates[0][0], coordinates[0][1]);
         this._ctx.lineWidth = option.size;
-        for (var i = 1; i < coordinates.length; i++) {
+        for (let i = 1; i < coordinates.length; i++) {
             this._ctx.lineTo(coordinates[i][0], coordinates[i][1]);
         }
         this._ctx.stroke();
         return this;
-    };
+    }
     /**
      * Draw captcha text on captcha image.
      * @param {SetCaptchaOptions} [captchaOption]
      * @returns {Captcha}
      */
-    Captcha.prototype.drawCaptcha = function (captchaOption) {
+    drawCaptcha(captchaOption = {}) {
         var _a;
-        if (captchaOption === void 0) { captchaOption = {}; }
-        var option = __assign(__assign({}, this._captcha), captchaOption);
+        const option = { ...this._captcha, ...captchaOption };
         if (captchaOption.text)
             option.characters = captchaOption.text.length;
         if (!captchaOption.text && captchaOption.characters)
@@ -222,11 +198,11 @@ 
captcha.js

         this._captcha = option;
         if (!this._coordinates[0])
             this._coordinates = (0, util_1.getRandomCoordinate)(this._height, this._width, option.characters || 6);
-        var coordinates = this._coordinates;
-        this._ctx.font = option.size + "px " + option.font;
+        const coordinates = this._coordinates;
+        this._ctx.font = `${option.size}px ${option.font}`;
         this._ctx.globalAlpha = option.opacity;
         this._ctx.fillStyle = option.color;
-        for (var n = 0; n < coordinates.length; n++) {
+        for (let n = 0; n < coordinates.length; n++) {
             this._ctx.save();
             this._ctx.translate(coordinates[n][0], coordinates[n][1]);
             if (option.skew) {
@@ -243,9 +219,8 @@ 
captcha.js

         }
         ;
         return this;
-    };
-    return Captcha;
-}());
+    }
+}
 exports.Captcha = Captcha;
diff --git a/docs/constants.js.html b/docs/constants.js.html index 5be2a53..a588f31 100644 --- a/docs/constants.js.html +++ b/docs/constants.js.html @@ -68,7 +68,7 @@ diff --git a/docs/extra.js.html b/docs/extra.js.html index bdcce8b..47a2600 100644 --- a/docs/extra.js.html +++ b/docs/extra.js.html @@ -68,7 +68,7 @@ @@ -88,8 +88,8 @@

extra.js

"use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.createCaptchaSync = exports.createCaptcha = void 0;
-var _1 = require(".");
-var captchaValue = {};
+const _1 = require(".");
+const captchaValue = {};
 /**
  * Create custom captcha from scratch.
  * @async
@@ -99,8 +99,8 @@ 
extra.js

  * @returns
  */
 function createCaptcha(width, height, text) {
-    var captcha = new _1.Captcha(width, height);
-    var decoyCount = Math.floor(width * height / 2500);
+    const captcha = new _1.Captcha(width, height);
+    const decoyCount = Math.floor(width * height / 2500);
     captcha.addDecoy({
         total: decoyCount,
         opacity: 1
@@ -126,8 +126,8 @@ 
extra.js

  * @returns
  */
 function createCaptchaSync(width, height, text) {
-    var captcha = new _1.Captcha(width, height);
-    var decoyCount = Math.floor(width * height / 2500);
+    const captcha = new _1.Captcha(width, height);
+    const decoyCount = Math.floor(width * height / 2500);
     captcha.async = false;
     captcha.addDecoy({
         total: decoyCount,
diff --git a/docs/global.html b/docs/global.html
index 374e2fd..0b91d3b 100644
--- a/docs/global.html
+++ b/docs/global.html
@@ -66,7 +66,7 @@
             
             
         
@@ -150,151 +150,6 @@ 

     
 
     
-        

-            
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-            

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-                

-
-

-    #
-    
-    
-        Captcha
-    
-    
-

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-    
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-            
-                captcha.js, line 21
-            
-        

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-                

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-    #
-    
-    
-        CaptchaGenerator
-    
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-    
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-

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@@ -784,350 +639,6 @@ 
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-        #
-        
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-            
-                get() → {string}
-            
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-            
-                captcha.js, line 50
-            
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-            
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diff --git a/docs/index.html b/docs/index.html
index f3aebc1..200979d 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -66,7 +66,7 @@
             
             
         
diff --git a/js-script/CaptchaGenerator.d.ts b/js-script/CaptchaGenerator.d.ts
index 6730c82..7e816d3 100644
--- a/js-script/CaptchaGenerator.d.ts
+++ b/js-script/CaptchaGenerator.d.ts
@@ -10,7 +10,7 @@ export declare class CaptchaGenerator {
     private captcha;
     private trace;
     private decoy;
-    private background;
+    private background?;
     /**
      * Initatiates the creation of captcha image generation.
      * @example const captcha = new CaptchaGenerator({height: 200, width: 600});
diff --git a/js-script/CaptchaGenerator.js b/js-script/CaptchaGenerator.js
index 89af15c..46ec47f 100644
--- a/js-script/CaptchaGenerator.js
+++ b/js-script/CaptchaGenerator.js
@@ -1,61 +1,14 @@
 "use strict";
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
-};
-var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
-    return new (P || (P = Promise))(function (resolve, reject) {
-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
-        step((generator = generator.apply(thisArg, _arguments || [])).next());
-    });
-};
-var __generator = (this && this.__generator) || function (thisArg, body) {
-    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
-    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
-    function verb(n) { return function (v) { return step([n, v]); }; }
-    function step(op) {
-        if (f) throw new TypeError("Generator is already executing.");
-        while (_) try {
-            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
-            if (y = 0, t) op = [op[0] & 2, t.value];
-            switch (op[0]) {
-                case 0: case 1: t = op; break;
-                case 4: _.label++; return { value: op[1], done: false };
-                case 5: _.label++; y = op[1]; op = [0]; continue;
-                case 7: op = _.ops.pop(); _.trys.pop(); continue;
-                default:
-                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
-                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
-                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
-                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
-                    if (t[2]) _.ops.pop();
-                    _.trys.pop(); continue;
-            }
-            op = body.call(thisArg, _);
-        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
-        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
-    }
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.CaptchaGenerator = void 0;
-var skia_canvas_1 = require("skia-canvas");
-var _1 = require(".");
-var constants_1 = require("./constants");
-var util_1 = require("./util");
+const skia_canvas_1 = require("skia-canvas");
+const _1 = require(".");
+const constants_1 = require("./constants");
+const util_1 = require("./util");
 /**
  * Captcha generator class.
  */
-var CaptchaGenerator = /** @class */ (function () {
+class CaptchaGenerator {
     /**
      * Initatiates the creation of captcha image generation.
      * @example const captcha = new CaptchaGenerator({height: 200, width: 600});
@@ -64,8 +17,7 @@ var CaptchaGenerator = /** @class */ (function () {
      * @param {integer} [options.width=300] Width of captcha image.
      * @since 2.0.0
      */
-    function CaptchaGenerator(options) {
-        if (options === void 0) { options = { height: 100, width: 300 }; }
+    constructor(options = { height: 100, width: 300 }) {
         this.height = options.height;
         this.width = options.width;
         this.captcha = constants_1.defaultCaptchaOption;
@@ -73,18 +25,14 @@ var CaptchaGenerator = /** @class */ (function () {
         this.decoy = constants_1.defaultDecoyOptions;
         this.captcha.text = (0, util_1.randomText)(this.captcha.characters);
     }
-    Object.defineProperty(CaptchaGenerator.prototype, "text", {
-        /**
-         * Get the text of captcha.
-         * @type {string}
-         * @since 2.0.3
-         */
-        get: function () {
-            return this.captcha.text;
-        },
-        enumerable: false,
-        configurable: true
-    });
+    /**
+     * Get the text of captcha.
+     * @type {string}
+     * @since 2.0.3
+     */
+    get text() {
+        return this.captcha.text;
+    }
     /**
      * set dimension for your captcha image
      * @param {integer} height Height of captcha image.
@@ -99,11 +47,11 @@ var CaptchaGenerator = /** @class */ (function () {
      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setDimension = function (height, width) {
+    setDimension(height, width) {
         this.height = height;
         this.width = width;
         return this;
-    };
+    }
     /**
      * Set background for captcha image.
      * @param {buffer} image Buffer/url/path of image.
@@ -117,10 +65,10 @@ var CaptchaGenerator = /** @class */ (function () {
      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setBackground = function (image) {
+    setBackground(image) {
         this.background = image;
         return this;
-    };
+    }
     /**
      * Change captcha text options
      * @param {SetCaptchaOptions} options Captcha appearance options.
@@ -135,14 +83,14 @@ var CaptchaGenerator = /** @class */ (function () {
      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setCaptcha = function (option) {
-        this.captcha = __assign(__assign({}, this.captcha), option);
+    setCaptcha(option) {
+        this.captcha = { ...this.captcha, ...option };
         if (option.text)
             this.captcha.characters = option.text.length;
         if (!option.text && option.characters)
             this.captcha.text = (0, util_1.randomText)(option.characters);
         return this;
-    };
+    }
     /**
      * Change trace creation options.
      * @param {SetTraceOptions} options Trace Line appearance options.
@@ -157,19 +105,19 @@ var CaptchaGenerator = /** @class */ (function () {
      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setTrace = function (option) {
-        this.trace = __assign(__assign({}, this.trace), option);
+    setTrace(option) {
+        this.trace = { ...this.trace, ...option };
         return this;
-    };
+    }
     /**
      * Change decoy options
      * @param {SetDecoyOptions} options Decoy characters customisation options
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.setDecoy = function (option) {
-        this.decoy = __assign(__assign({}, this.decoy), option);
+    setDecoy(option) {
+        this.decoy = { ...this.decoy, ...option };
         return this;
-    };
+    }
     /**
      * Method which returns image buffer
      * @async
@@ -183,31 +131,18 @@ var CaptchaGenerator = /** @class */ (function () {
      * fs.writeFileSync("image.png", buffer)
      * @since 2.0.0
      */
-    CaptchaGenerator.prototype.generate = function () {
-        return __awaiter(this, void 0, void 0, function () {
-            var captchaCanvas, _a, _b;
-            return __generator(this, function (_c) {
-                switch (_c.label) {
-                    case 0:
-                        captchaCanvas = new _1.Captcha(this.width, this.height);
-                        if (!this.background) return [3 /*break*/, 2];
-                        _b = (_a = captchaCanvas).drawImage;
-                        return [4 /*yield*/, (0, skia_canvas_1.loadImage)(this.background)];
-                    case 1:
-                        _b.apply(_a, [_c.sent()]);
-                        _c.label = 2;
-                    case 2:
-                        if (this.decoy.opacity)
-                            captchaCanvas.addDecoy(this.decoy);
-                        if (this.captcha.opacity)
-                            captchaCanvas.drawCaptcha(this.captcha);
-                        if (this.trace.opacity)
-                            captchaCanvas.drawTrace(this.trace);
-                        return [2 /*return*/, captchaCanvas.png];
-                }
-            });
-        });
-    };
+    async generate() {
+        const captchaCanvas = new _1.Captcha(this.width, this.height);
+        if (this.background)
+            captchaCanvas.drawImage(await (0, skia_canvas_1.loadImage)(this.background));
+        if (this.decoy.opacity)
+            captchaCanvas.addDecoy(this.decoy);
+        if (this.captcha.opacity)
+            captchaCanvas.drawCaptcha(this.captcha);
+        if (this.trace.opacity)
+            captchaCanvas.drawTrace(this.trace);
+        return captchaCanvas.png;
+    }
     /**
      * Non asynchronous method to generate captcha image.
      * > Note: It do not use `setBackground` method value for background image. If you want to set background
@@ -225,9 +160,8 @@ var CaptchaGenerator = /** @class */ (function () {
      * fs.writeFileSync("image.png", captcha);
      * @since 2.2.0
      */
-    CaptchaGenerator.prototype.generateSync = function (option) {
-        if (option === void 0) { option = {}; }
-        var captchaCanvas = new _1.Captcha(this.width, this.height);
+    generateSync(option = {}) {
+        const captchaCanvas = new _1.Captcha(this.width, this.height);
         captchaCanvas.async = false;
         if (option.background)
             captchaCanvas.drawImage(option.background);
@@ -238,7 +172,6 @@ var CaptchaGenerator = /** @class */ (function () {
         if (this.trace.opacity)
             captchaCanvas.drawTrace(this.trace);
         return captchaCanvas.png;
-    };
-    return CaptchaGenerator;
-}());
+    }
+}
 exports.CaptchaGenerator = CaptchaGenerator;
diff --git a/js-script/captcha.js b/js-script/captcha.js
index f34eaab..7cef369 100644
--- a/js-script/captcha.js
+++ b/js-script/captcha.js
@@ -1,40 +1,27 @@
 "use strict";
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.Captcha = void 0;
-var skia_canvas_1 = require("skia-canvas");
-var constants_1 = require("./constants");
-var util_1 = require("./util");
+const skia_canvas_1 = require("skia-canvas");
+const constants_1 = require("./constants");
+const util_1 = require("./util");
 /**
  * Captcha Generator
  */
-var Captcha = /** @class */ (function () {
+class Captcha {
     /**
      * Start captcha image creation.
      * @param {number} [width] Width of captcha image.
      * @param {number} [height] Height of captcha image.
      * @constructor
      */
-    function Captcha(width, height) {
-        if (width === void 0) { width = constants_1.defaultDimension.width; }
-        if (height === void 0) { height = constants_1.defaultDimension.height; }
+    constructor(width = constants_1.defaultDimension.width, height = constants_1.defaultDimension.height) {
         this._height = height;
         this._width = width;
         this._captcha = constants_1.defaultCaptchaOption;
         this._trace = constants_1.defaultTraceOptions;
         this._decoy = constants_1.defaultDecoyOptions;
-        var canvas = new skia_canvas_1.Canvas(width, height);
-        var ctx = canvas.getContext('2d');
+        const canvas = new skia_canvas_1.Canvas(width, height);
+        const ctx = canvas.getContext('2d');
         ctx.lineJoin = 'miter';
         ctx.textBaseline = 'middle';
         this._canvas = canvas;
@@ -42,57 +29,48 @@ var Captcha = /** @class */ (function () {
         this.async = true;
         this._coordinates = [];
     }
-    Object.defineProperty(Captcha.prototype, "text", {
-        /**
-         * Get Captcha text.
-         * @returns {string} Get captcha text.
-         */
-        get: function () {
-            return this._captcha.text || "";
-        },
-        enumerable: false,
-        configurable: true
-    });
-    Object.defineProperty(Captcha.prototype, "png", {
-        /**
-         * Get png image of captcha.
-         * @returns {Buffer} Get png image of captcha created.
-         */
-        get: function () {
-            this._canvas.async = this.async;
-            return this._canvas.png;
-        },
-        enumerable: false,
-        configurable: true
-    });
+    /**
+     * Get Captcha text.
+     * @returns {string} Get captcha text.
+     */
+    get text() {
+        return this._captcha.text || "";
+    }
+    /**
+     * Get png image of captcha.
+     * @returns {Buffer} Get png image of captcha created.
+     */
+    get png() {
+        this._canvas.async = this.async;
+        return this._canvas.png;
+    }
     /**
      * Draw image on your captcha.
      * @param {Image} image Choose image you want to add.
      * @returns {Captcha}
      */
-    Captcha.prototype.drawImage = function (image) {
+    drawImage(image) {
         this._ctx.drawImage(image, 0, 0);
         return this;
-    };
+    }
     /**
      * Add decoy on your captcha image.
      * @param {SetDecoyOptions} [decoyOption] Decoy option you want to customise
      * @returns {Captcha}
      */
-    Captcha.prototype.addDecoy = function (decoyOption) {
-        if (decoyOption === void 0) { decoyOption = {}; }
-        var option = __assign(__assign({}, this._decoy), decoyOption);
+    addDecoy(decoyOption = {}) {
+        const option = { ...this._decoy, ...decoyOption };
         if (!option.total)
             option.total = Math.floor(this._width * this._height / 10000);
-        var decoyText = (0, util_1.randomText)(option.total);
-        this._ctx.font = option.size + "px " + option.font;
+        const decoyText = (0, util_1.randomText)(option.total);
+        this._ctx.font = `${option.size}px ${option.font}`;
         this._ctx.globalAlpha = option.opacity;
         this._ctx.fillStyle = option.color;
-        for (var i = 0; i < decoyText.length; i++) {
+        for (let i = 0; i < decoyText.length; i++) {
             this._ctx.fillText(decoyText[i], (0, util_1.getRandom)(30, this._width - 30), (0, util_1.getRandom)(30, this._height - 30));
         }
         return this;
-    };
+    }
     /**
      * Draw trace line over your captcha.
      *
@@ -100,32 +78,30 @@ var Captcha = /** @class */ (function () {
      * @param {SetTraceOptions} [traceOption]
      * @returns {Captcha}
      */
-    Captcha.prototype.drawTrace = function (traceOption) {
-        if (traceOption === void 0) { traceOption = {}; }
-        var option = __assign(__assign({}, this._trace), traceOption);
+    drawTrace(traceOption = {}) {
+        const option = { ...this._trace, ...traceOption };
         if (!this._coordinates[0])
             this._coordinates = (0, util_1.getRandomCoordinate)(this._height, this._width, this._captcha.characters || 6);
-        var coordinates = this._coordinates;
+        const coordinates = this._coordinates;
         this._ctx.strokeStyle = option.color;
         this._ctx.globalAlpha = option.opacity;
         this._ctx.beginPath();
         this._ctx.moveTo(coordinates[0][0], coordinates[0][1]);
         this._ctx.lineWidth = option.size;
-        for (var i = 1; i < coordinates.length; i++) {
+        for (let i = 1; i < coordinates.length; i++) {
             this._ctx.lineTo(coordinates[i][0], coordinates[i][1]);
         }
         this._ctx.stroke();
         return this;
-    };
+    }
     /**
      * Draw captcha text on captcha image.
      * @param {SetCaptchaOptions} [captchaOption]
      * @returns {Captcha}
      */
-    Captcha.prototype.drawCaptcha = function (captchaOption) {
+    drawCaptcha(captchaOption = {}) {
         var _a;
-        if (captchaOption === void 0) { captchaOption = {}; }
-        var option = __assign(__assign({}, this._captcha), captchaOption);
+        const option = { ...this._captcha, ...captchaOption };
         if (captchaOption.text)
             option.characters = captchaOption.text.length;
         if (!captchaOption.text && captchaOption.characters)
@@ -135,11 +111,11 @@ var Captcha = /** @class */ (function () {
         this._captcha = option;
         if (!this._coordinates[0])
             this._coordinates = (0, util_1.getRandomCoordinate)(this._height, this._width, option.characters || 6);
-        var coordinates = this._coordinates;
-        this._ctx.font = option.size + "px " + option.font;
+        const coordinates = this._coordinates;
+        this._ctx.font = `${option.size}px ${option.font}`;
         this._ctx.globalAlpha = option.opacity;
         this._ctx.fillStyle = option.color;
-        for (var n = 0; n < coordinates.length; n++) {
+        for (let n = 0; n < coordinates.length; n++) {
             this._ctx.save();
             this._ctx.translate(coordinates[n][0], coordinates[n][1]);
             if (option.skew) {
@@ -156,7 +132,6 @@ var Captcha = /** @class */ (function () {
         }
         ;
         return this;
-    };
-    return Captcha;
-}());
+    }
+}
 exports.Captcha = Captcha;
diff --git a/js-script/extra.js b/js-script/extra.js
index 606d110..0382234 100644
--- a/js-script/extra.js
+++ b/js-script/extra.js
@@ -1,8 +1,8 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.createCaptchaSync = exports.createCaptcha = void 0;
-var _1 = require(".");
-var captchaValue = {};
+const _1 = require(".");
+const captchaValue = {};
 /**
  * Create custom captcha from scratch.
  * @async
@@ -12,8 +12,8 @@ var captchaValue = {};
  * @returns
  */
 function createCaptcha(width, height, text) {
-    var captcha = new _1.Captcha(width, height);
-    var decoyCount = Math.floor(width * height / 2500);
+    const captcha = new _1.Captcha(width, height);
+    const decoyCount = Math.floor(width * height / 2500);
     captcha.addDecoy({
         total: decoyCount,
         opacity: 1
@@ -39,8 +39,8 @@ exports.createCaptcha = createCaptcha;
  * @returns
  */
 function createCaptchaSync(width, height, text) {
-    var captcha = new _1.Captcha(width, height);
-    var decoyCount = Math.floor(width * height / 2500);
+    const captcha = new _1.Captcha(width, height);
+    const decoyCount = Math.floor(width * height / 2500);
     captcha.async = false;
     captcha.addDecoy({
         total: decoyCount,
diff --git a/js-script/index.js b/js-script/index.js
index edcdf60..b8df6f4 100644
--- a/js-script/index.js
+++ b/js-script/index.js
@@ -10,4 +10,4 @@ var captcha_1 = require("./captcha");
 Object.defineProperty(exports, "Captcha", { enumerable: true, get: function () { return captcha_1.Captcha; } });
 var CaptchaGenerator_1 = require("./CaptchaGenerator");
 Object.defineProperty(exports, "CaptchaGenerator", { enumerable: true, get: function () { return CaptchaGenerator_1.CaptchaGenerator; } });
-exports.version = require(__dirname + "/../package.json").version;
+exports.version = require(`${__dirname}/../package.json`).version;
diff --git a/js-script/util.js b/js-script/util.js
index 2bae758..12c2689 100644
--- a/js-script/util.js
+++ b/js-script/util.js
@@ -1,10 +1,8 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.getRandomCoordinate = exports.randomText = exports.getRandom = void 0;
-var crypto_1 = require("crypto");
-function getRandom(start, end) {
-    if (start === void 0) { start = 0; }
-    if (end === void 0) { end = 0; }
+const crypto_1 = require("crypto");
+function getRandom(start = 0, end = 0) {
     return Math.round(Math.random() * Math.abs(end - start)) + Math.min(start, end);
 }
 exports.getRandom = getRandom;
@@ -15,18 +13,18 @@ function randomText(characters) {
 exports.randomText = randomText;
 ;
 function getRandomCoordinate(height, width, size) {
-    var coordinates = [];
-    for (var i = 0; i < size; i++) {
-        var widthGap = Math.floor(width / size);
-        var coordinate = [];
-        var randomWidth = widthGap * (i + 0.2);
+    let coordinates = [];
+    for (let i = 0; i < size; i++) {
+        const widthGap = Math.floor(width / size);
+        const coordinate = [];
+        const randomWidth = widthGap * (i + 0.2);
         coordinate.push(randomWidth);
-        var randomHeight = getRandom(30, height - 30);
+        const randomHeight = getRandom(30, height - 30);
         coordinate.push(randomHeight);
         coordinates.push(coordinate);
     }
     ;
-    coordinates = coordinates.sort(function (a, b) { return a[0] - b[0]; });
+    coordinates = coordinates.sort((a, b) => a[0] - b[0]);
     return coordinates;
 }
 exports.getRandomCoordinate = getRandomCoordinate;
diff --git a/tsconfig.json b/tsconfig.json
index 55c6ec2..5d6695e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,12 +1,24 @@
 {
     "compilerOptions": {
-        "target": "es5",
-        "module": "commonjs",
-        "declaration": true,
-        "outDir": "./js-script",
         "strict": true,
-        "strictNullChecks": false,
-        "resolveJsonModule": true
+        "moduleResolution": "node",
+        "declaration": true,
+        "removeComments": false,
+        "alwaysStrict": true,
+        "pretty": false,
+        "module": "commonjs",
+        "target": "es2019",
+        "lib": [
+            "esnext",
+            "esnext.array",
+            "esnext.asynciterable",
+            "esnext.intl",
+            "esnext.symbol"
+        ],
+        "sourceMap": false,
+        "skipDefaultLibCheck": true,
+        "outDir": "./js-script"
     },
-    "include": [ "ts-script" ]
+    "exclude": [".github/", "assets/", "docs/", "examples/", "node_modules/"],
+    "include": ["ts-script/"]
 }
\ No newline at end of file