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metamask-extension/app/scripts/lib/extractEthjsErrorMessage.js
Mark Stacey ac01c5c89a
Consistent jsdoc syntax (#7755)
* Specify type before parameter name

Various JSDoc `@param` entries were specified as `name {type}` rather
than `{type} name`.

A couple of `@return` entries have been given types as well.

* Use JSDoc optional syntax rather than Closure syntax

* Use @returns rather than @return

* Use consistent built-in type capitalization

Primitive types are lower-case, and Object is upper-case.

* Separate param/return description with a dash
2020-01-13 14:36:36 -04:00

29 lines
1.6 KiB
JavaScript

const ethJsRpcSlug = 'Error: [ethjs-rpc] rpc error with payload '
const errorLabelPrefix = 'Error: '
export default extractEthjsErrorMessage
/**
* Extracts the important part of an ethjs-rpc error message. If the passed error is not an isEthjsRpcError, the error
* is returned unchanged.
*
* @param {string} errorMessage - The error message to parse
* @returns {string} - Returns an error message, either the same as was passed, or the ending message portion of an isEthjsRpcError
*
* @example
* // returns 'Transaction Failed: replacement transaction underpriced'
* extractEthjsErrorMessage(`Error: [ethjs-rpc] rpc error with payload {"id":3947817945380,"jsonrpc":"2.0","params":["0xf8eb8208708477359400830398539406012c8cf97bead5deae237070f9587f8e7a266d80b8843d7d3f5a0000000000000000000000000000000000000000000000000000000000081d1a000000000000000000000000000000000000000000000000001ff973cafa800000000000000000000000000000000000000000000000000000038d7ea4c68000000000000000000000000000000000000000000000000000000000000003f48025a04c32a9b630e0d9e7ff361562d850c86b7a884908135956a7e4a336fa0300d19ca06830776423f25218e8d19b267161db526e66895567147015b1f3fc47aef9a3c7"],"method":"eth_sendRawTransaction"} Error: replacement transaction underpriced`)
*
*/
function extractEthjsErrorMessage (errorMessage) {
const isEthjsRpcError = errorMessage.includes(ethJsRpcSlug)
if (isEthjsRpcError) {
const payloadAndError = errorMessage.slice(ethJsRpcSlug.length)
const originalError = payloadAndError.slice(payloadAndError.indexOf(errorLabelPrefix) + errorLabelPrefix.length)
return originalError
} else {
return errorMessage
}
}