| 1 |
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| 2 | /**
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| 3 | * fetch-error.js
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| 4 | *
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| 5 | * FetchError interface for operational errors
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| 6 | */
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| 7 |
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| 8 | module.exports = FetchError;
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| 9 |
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| 10 | /**
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| 11 | * Create FetchError instance
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| 12 | *
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| 13 | * @param String message Error message for human
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| 14 | * @param String type Error type for machine
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| 15 | * @param String systemError For Node.js system error
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| 16 | * @return FetchError
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| 17 | */
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| 18 | function FetchError(message, type, systemError) {
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| 19 |
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| 20 | // hide custom error implementation details from end-users
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| 21 | Error.captureStackTrace(this, this.constructor);
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| 22 |
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| 23 | this.name = this.constructor.name;
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| 24 | this.message = message;
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| 25 | this.type = type;
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| 26 |
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| 27 | // when err.type is `system`, err.code contains system error code
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| 28 | if (systemError) {
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| 29 | this.code = this.errno = systemError.code;
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| 30 | }
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| 31 |
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| 32 | }
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| 33 |
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| 34 | require('util').inherits(FetchError, Error);
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