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// Exception.js |
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"use strict"; |
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// :: DEPENDENCIES |
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// load native dependencies |
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const path = require("path"); |
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// load local dependencies |
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const Throwable = require(path.join(__dirname, "Throwable.js")); |
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// :: BASIC SETUP |
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// empty 'class' |
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const Exception = function (name, message, code) { |
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Throwable.call(this, name, message, code); |
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}; |
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// :: INHERITANCE |
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// set the prototype chain parent to the Throwable 'class' |
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Exception.prototype = Object.create(Throwable.prototype); |
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// set the prototype chain constructor |
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Exception.prototype.constructor = Exception; |
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// :: PROTOTYPE |
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// set the toString method |
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Exception.prototype.toString = function () { |
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let str = (this.name !== null && this.name !== undefined ? this.name : "Exception"); |
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if (this.code !== null && this.code !== undefined) { |
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str += " (0x" + this.code.toString(16) + ")"; |
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} |
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str += ": " + (this.message !== null && this.message !== undefined ? this.message : "thrown") + "."; |
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return str; |
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}; |
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// returns a native 'Error' |
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Exception.prototype.native = function () { |
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let str = (this.name !== null && this.name !== undefined ? this.name : "Exception"); |
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if (this.code !== null && this.code !== undefined) { |
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str += " (0x" + this.code.toString(16) + ")"; |
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} |
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str += ": " + (this.message !== null && this.message !== undefined ? this.message : "thrown"); |
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return new Error(str); |
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}; |
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// :: EXPORT |
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// export the Exception 'class' |
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module.exports = Exception; |