@netlify/build/lib/error/parse/stack.js

Netlify build module

import { cleanStacks } from './clean_stack.js';
// Retrieve the stack trace
export const getStackInfo = function ({ message, stack, stackType, rawStack, severity, debug }) {
    const { message: messageA, stack: stackA } = splitStackInfo({ message, stack, stackType });
    const messageB = severity === 'none' ? messageA.replace(SUCCESS_ERROR_NAME, '') : messageA;
    const stackB = cleanStacks({ stack: stackA, rawStack, debug });
    return { message: messageB, stack: stackB };
};
const splitStackInfo = function ({ message, stack, stackType }) {
    // Some errors should not show any stack trace
    if (stackType === 'none') {
        return { message };
    }
    // Some errors have their stack trace inside `error.message` instead of
    // `error.stack` due to IPC
    if (stackType === 'message') {
        return splitStack(message);
    }
    return splitStack(stack);
};
const splitStack = function (string) {
    const lines = string.split('\n');
    const stackIndex = lines.findIndex(isStackTrace);
    if (stackIndex === -1) {
        return { message: string };
    }
    const messageA = lines.slice(0, stackIndex).join('\n');
    const stackA = lines.slice(stackIndex).join('\n');
    return { message: messageA, stack: stackA };
};
const isStackTrace = function (line) {
    return line.trim().startsWith('at ');
};
const SUCCESS_ERROR_NAME = 'Error: ';