/*
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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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exports.cutOffByFlag = (stack, flag) => {
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stack = stack.split("\n");
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for (let i = 0; i < stack.length; i++) {
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if (stack[i].includes(flag)) {
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stack.length = i;
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}
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}
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return stack.join("\n");
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};
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exports.cutOffLoaderExecution = stack =>
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exports.cutOffByFlag(stack, loaderFlag);
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exports.cutOffWebpackOptions = stack =>
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exports.cutOffByFlag(stack, webpackOptionsFlag);
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exports.cutOffMultilineMessage = (stack, message) => {
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stack = stack.split("\n");
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message = message.split("\n");
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return stack
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.reduce(
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(acc, line, idx) =>
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line.includes(message[idx]) ? acc : acc.concat(line),
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[]
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)
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.join("\n");
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};
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exports.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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} else {
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const firstLine = stack.substr(0, nextLine);
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return firstLine === message ? stack.substr(nextLine + 1) : stack;
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}
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};
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exports.cleanUp = (stack, message) => {
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stack = exports.cutOffLoaderExecution(stack);
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stack = exports.cutOffMessage(stack, message);
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return stack;
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};
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exports.cleanUpWebpackOptions = (stack, message) => {
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stack = exports.cutOffWebpackOptions(stack);
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stack = exports.cutOffMultilineMessage(stack, message);
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return stack;
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};
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