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Closing blog branch since it is written
author June Park <parkjune1995@gmail.com>
date Fri, 09 Jan 2026 09:30:30 -0800
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1 # loose-envify
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3 [![Build Status](https://travis-ci.org/zertosh/loose-envify.svg?branch=master)](https://travis-ci.org/zertosh/loose-envify)
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5 Fast (and loose) selective `process.env` replacer using [js-tokens](https://github.com/lydell/js-tokens) instead of an AST. Works just like [envify](https://github.com/hughsk/envify) but much faster.
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7 ## Gotchas
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9 * Doesn't handle broken syntax.
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10 * Doesn't look inside embedded expressions in template strings.
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11 - **this won't work:**
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12 ```js
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13 console.log(`the current env is ${process.env.NODE_ENV}`);
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14 ```
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15 * Doesn't replace oddly-spaced or oddly-commented expressions.
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16 - **this won't work:**
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17 ```js
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18 console.log(process./*won't*/env./*work*/NODE_ENV);
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19 ```
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21 ## Usage/Options
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23 loose-envify has the exact same interface as [envify](https://github.com/hughsk/envify), including the CLI.
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25 ## Benchmark
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27 ```
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28 envify:
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30 $ for i in {1..5}; do node bench/bench.js 'envify'; done
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31 708ms
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32 727ms
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33 791ms
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34 719ms
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35 720ms
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37 loose-envify:
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39 $ for i in {1..5}; do node bench/bench.js '../'; done
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40 51ms
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45 ```