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101 lines
2.8 KiB
101 lines
2.8 KiB
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const loaderFlag = "LOADER_EXECUTION";
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const webpackOptionsFlag = "WEBPACK_OPTIONS";
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/**
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* @param {string} stack stack trace
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* @param {string} flag flag to cut off
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* @returns {string} stack trace without the specified flag included
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*/
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const cutOffByFlag = (stack, flag) => {
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const errorStack = stack.split("\n");
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for (let i = 0; i < errorStack.length; i++) {
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if (errorStack[i].includes(flag)) {
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errorStack.length = i;
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}
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}
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return errorStack.join("\n");
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};
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/**
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* @param {string} stack stack trace
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* @returns {string} stack trace without the loader execution flag included
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*/
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const cutOffLoaderExecution = stack => cutOffByFlag(stack, loaderFlag);
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/**
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* @param {string} stack stack trace
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* @returns {string} stack trace without the webpack options flag included
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*/
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const cutOffWebpackOptions = stack => cutOffByFlag(stack, webpackOptionsFlag);
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/**
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* @param {string} stack stack trace
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* @param {string} message error message
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* @returns {string} stack trace without the message included
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*/
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const cutOffMultilineMessage = (stack, message) => {
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const stackSplitByLines = stack.split("\n");
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const messageSplitByLines = message.split("\n");
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/** @type {string[]} */
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const result = [];
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for (const [idx, line] of stackSplitByLines.entries()) {
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if (!line.includes(messageSplitByLines[idx])) result.push(line);
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}
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return result.join("\n");
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};
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/**
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* @param {string} stack stack trace
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* @param {string} message error message
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* @returns {string} stack trace without the message included
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*/
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const cutOffMessage = (stack, message) => {
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const nextLine = stack.indexOf("\n");
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if (nextLine === -1) {
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return stack === message ? "" : stack;
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}
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const firstLine = stack.slice(0, nextLine);
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return firstLine === message ? stack.slice(nextLine + 1) : stack;
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};
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/**
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* @param {string} stack stack trace
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* @param {string} message error message
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* @returns {string} stack trace without the loader execution flag and message included
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*/
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const cleanUp = (stack, message) => {
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stack = cutOffLoaderExecution(stack);
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stack = cutOffMessage(stack, message);
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return stack;
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};
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/**
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* @param {string} stack stack trace
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* @param {string} message error message
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* @returns {string} stack trace without the webpack options flag and message included
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*/
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const cleanUpWebpackOptions = (stack, message) => {
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stack = cutOffWebpackOptions(stack);
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stack = cutOffMultilineMessage(stack, message);
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return stack;
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};
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module.exports.cutOffByFlag = cutOffByFlag;
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module.exports.cutOffLoaderExecution = cutOffLoaderExecution;
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module.exports.cutOffWebpackOptions = cutOffWebpackOptions;
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module.exports.cutOffMultilineMessage = cutOffMultilineMessage;
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module.exports.cutOffMessage = cutOffMessage;
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module.exports.cleanUp = cleanUp;
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module.exports.cleanUpWebpackOptions = cleanUpWebpackOptions;
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