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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const loaderFlag = "LOADER_EXECUTION";
const webpackOptionsFlag = "WEBPACK_OPTIONS";
exports.cutOffByFlag = (stack, flag) => {
stack = stack.split("\n");
for (let i = 0; i < stack.length; i++) {
if (stack[i].includes(flag)) {
stack.length = i;
}
}
return stack.join("\n");
};
exports.cutOffLoaderExecution = stack =>
exports.cutOffByFlag(stack, loaderFlag);
exports.cutOffWebpackOptions = stack =>
exports.cutOffByFlag(stack, webpackOptionsFlag);
exports.cutOffMultilineMessage = (stack, message) => {
stack = stack.split("\n");
message = message.split("\n");
const result = [];
stack.forEach((line, idx) => {
if (!line.includes(message[idx])) result.push(line);
});
return result.join("\n");
};
exports.cutOffMessage = (stack, message) => {
const nextLine = stack.indexOf("\n");
if (nextLine === -1) {
return stack === message ? "" : stack;
} else {
const firstLine = stack.slice(0, nextLine);
return firstLine === message ? stack.slice(nextLine + 1) : stack;
}
};
exports.cleanUp = (stack, message) => {
stack = exports.cutOffLoaderExecution(stack);
stack = exports.cutOffMessage(stack, message);
return stack;
};
exports.cleanUpWebpackOptions = (stack, message) => {
stack = exports.cutOffWebpackOptions(stack);
stack = exports.cutOffMultilineMessage(stack, message);
return stack;
};