| 1 | 'use strict'
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| 2 |
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| 3 | const _ = require('lodash')
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| 4 | const path = require('path')
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| 5 | const carmiRoot = require('../carmiRoot')
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| 6 | const testPaths = [
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| 7 | '__tests__',
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| 8 | 'babelPlugin'
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| 9 | ].map(p => path.resolve(__dirname, p))
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| 10 |
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| 11 | function isExternalLine(line) {
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| 12 | const isCarmi = _.includes(line, carmiRoot)
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| 13 | const isTest = _.some(testPaths, p => _.includes(line, p))
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| 14 | const containsLineNumber = _.includes(line, ':')
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| 15 | return (!isCarmi || isTest) && containsLineNumber
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| 16 | }
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| 17 |
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| 18 | module.exports = () => {
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| 19 | const firstExternalLine = (new Error()).stack
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| 20 | .split('\n')
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| 21 | .slice(1)
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| 22 | .find(isExternalLine) || 'unknown'
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| 23 |
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| 24 | return firstExternalLine
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| 25 | .substr(firstExternalLine.indexOf(path.sep))
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| 26 | .split(':')
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| 27 | .map((str, idx) => idx > 0 ? `${parseInt(str, 10)}` : str)
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| 28 | .join(':')
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| 29 | }
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