1 | {
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2 | "presets": [
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3 | [
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4 | "@babel/preset-env",
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5 | {
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6 | "targets": {
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7 | "node": "10"
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8 | }
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9 | }
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10 | ]
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11 | ],
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12 | "plugins": [
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13 | "source-map-support",
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14 | "@babel/plugin-transform-runtime",
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15 | "@babel/plugin-syntax-bigint",
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16 | "@babel/plugin-proposal-nullish-coalescing-operator",
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17 | "@babel/plugin-proposal-numeric-separator",
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18 | "@babel/plugin-proposal-optional-chaining",
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19 | ["@babel/plugin-proposal-private-methods", {"loose": true}],
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20 | ["@babel/plugin-proposal-class-properties", {"loose": true}]
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21 | ],
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22 | "comments": false,
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23 | "env": {
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24 | "coverage": {
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25 | "plugins": [
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26 | [
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27 | "istanbul",
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28 | {
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29 | "exclude": [
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30 | "test",
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31 | "build"
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32 | ]
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33 | }
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34 | ]
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35 | ]
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36 | }
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37 | }
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38 | }
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