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jest-message-util
Advanced tools
The jest-message-util package provides utilities for formatting and handling error messages in Jest, a popular JavaScript testing framework. It is particularly useful for creating custom error messages and enhancing the readability of test results.
formatStackTrace
The formatStackTrace function formats a stack trace to make it more readable. This is particularly useful for debugging and understanding where errors occur in your tests.
const { formatStackTrace } = require('jest-message-util');
const stack = new Error().stack;
const formattedStack = formatStackTrace(stack, { rootDir: process.cwd(), testMatch: [] });
console.log(formattedStack);
formatExecError
The formatExecError function formats execution errors to provide more context and readability. This helps in quickly identifying the cause of test failures.
const { formatExecError } = require('jest-message-util');
const error = new Error('Test error');
const formattedError = formatExecError(error, { rootDir: process.cwd(), testMatch: [] });
console.log(formattedError);
getTopFrame
The getTopFrame function extracts the top frame from a stack trace. This is useful for pinpointing the exact location of an error in your code.
const { getTopFrame } = require('jest-message-util');
const stack = new Error().stack;
const topFrame = getTopFrame(stack);
console.log(topFrame);
The stack-utils package provides utilities for working with stack traces. It offers similar functionality to jest-message-util, such as formatting and parsing stack traces, but is more general-purpose and not specifically tailored for Jest.
The error-stack-parser package is designed to parse and extract information from error stack traces. While it offers similar capabilities to jest-message-util in terms of stack trace manipulation, it does not provide the same level of integration with Jest.
The pretty-error package focuses on making error messages more readable by formatting them in a visually appealing way. It offers similar functionality to jest-message-util's formatting features but is more focused on aesthetics and less on integration with testing frameworks.
FAQs
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The npm package jest-message-util receives a total of 31,560,812 weekly downloads. As such, jest-message-util popularity was classified as popular.
We found that jest-message-util demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 6 open source maintainers collaborating on the project.
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