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40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
import { func, object } from "../primordials.ts";
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import { String } from "./string.ts";
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export class Error {
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public declare name: string;
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public declare message: string;
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public toString() {
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let res = this.name || "Error";
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const msg = this.message;
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if (msg) res += ": " + msg;
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return res;
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}
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public constructor (msg = "") {
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if (func.invokeType(arguments, this) === "call") return new Error(msg);
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this.message = String(msg);
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}
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}
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object.defineField(Error.prototype, "name", { c: true, e: false, w: true, v: "Error" });
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object.defineField(Error.prototype, "message", { c: true, e: false, w: true, v: "" });
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func.setCallable(Error, true);
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func.setConstructable(Error, true);
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export class SyntaxError extends Error { }
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object.defineField(SyntaxError.prototype, "name", { c: true, e: false, w: true, v: "SyntaxError" });
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func.setCallable(SyntaxError, true);
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func.setConstructable(SyntaxError, true);
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export class TypeError extends Error { }
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object.defineField(TypeError.prototype, "name", { c: true, e: false, w: true, v: "TypeError" });
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func.setCallable(TypeError, true);
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func.setConstructable(TypeError, true);
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export class RangeError extends Error { }
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object.defineField(RangeError.prototype, "name", { c: true, e: false, w: true, v: "RangeError" });
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func.setCallable(RangeError, true);
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func.setConstructable(RangeError, true);
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