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5 | "use strict";
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6 |
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7 | const loaderFlag = "LOADER_EXECUTION";
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8 |
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9 | const webpackOptionsFlag = "WEBPACK_OPTIONS";
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10 |
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11 | exports.cutOffByFlag = (stack, flag) => {
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12 | stack = stack.split("\n");
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13 | for (let i = 0; i < stack.length; i++) {
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14 | if (stack[i].includes(flag)) {
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15 | stack.length = i;
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16 | }
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17 | }
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18 | return stack.join("\n");
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19 | };
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20 |
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21 | exports.cutOffLoaderExecution = stack =>
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22 | exports.cutOffByFlag(stack, loaderFlag);
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23 |
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24 | exports.cutOffWebpackOptions = stack =>
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25 | exports.cutOffByFlag(stack, webpackOptionsFlag);
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26 |
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27 | exports.cutOffMultilineMessage = (stack, message) => {
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28 | stack = stack.split("\n");
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29 | message = message.split("\n");
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30 |
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31 | return stack
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32 | .reduce(
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33 | (acc, line, idx) =>
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34 | line.includes(message[idx]) ? acc : acc.concat(line),
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35 | []
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36 | )
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37 | .join("\n");
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38 | };
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39 |
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40 | exports.cutOffMessage = (stack, message) => {
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41 | const nextLine = stack.indexOf("\n");
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42 | if (nextLine === -1) {
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43 | return stack === message ? "" : stack;
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44 | } else {
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45 | const firstLine = stack.substr(0, nextLine);
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46 | return firstLine === message ? stack.substr(nextLine + 1) : stack;
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47 | }
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48 | };
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49 |
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50 | exports.cleanUp = (stack, message) => {
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51 | stack = exports.cutOffLoaderExecution(stack);
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52 | stack = exports.cutOffMessage(stack, message);
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53 | return stack;
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54 | };
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55 |
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56 | exports.cleanUpWebpackOptions = (stack, message) => {
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57 | stack = exports.cutOffWebpackOptions(stack);
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58 | stack = exports.cutOffMultilineMessage(stack, message);
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59 | return stack;
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60 | };
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