root / HServer / 00.Server / 00.Program / node_modules / inherits / README.md
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1 | 39 | HKM | Browser-friendly inheritance fully compatible with standard node.js |
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2 | [inherits](http://nodejs.org/api/util.html#util_util_inherits_constructor_superconstructor). |
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3 | |||
4 | This package exports standard `inherits` from node.js `util` module in |
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5 | node environment, but also provides alternative browser-friendly |
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6 | implementation through [browser |
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7 | field](https://gist.github.com/shtylman/4339901). Alternative |
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8 | implementation is a literal copy of standard one located in standalone |
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9 | module to avoid requiring of `util`. It also has a shim for old |
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10 | browsers with no `Object.create` support. |
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12 | While keeping you sure you are using standard `inherits` |
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13 | implementation in node.js environment, it allows bundlers such as |
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14 | [browserify](https://github.com/substack/node-browserify) to not |
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15 | include full `util` package to your client code if all you need is |
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16 | just `inherits` function. It worth, because browser shim for `util` |
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17 | package is large and `inherits` is often the single function you need |
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18 | from it. |
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19 | |||
20 | It's recommended to use this package instead of |
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21 | `require('util').inherits` for any code that has chances to be used |
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22 | not only in node.js but in browser too. |
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23 | |||
24 | ## usage |
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25 | |||
26 | ```js |
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27 | var inherits = require('inherits'); |
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28 | // then use exactly as the standard one |
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29 | ``` |
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30 | |||
31 | ## note on version ~1.0 |
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32 | |||
33 | Version ~1.0 had completely different motivation and is not compatible |
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34 | neither with 2.0 nor with standard node.js `inherits`. |
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35 | |||
36 | If you are using version ~1.0 and planning to switch to ~2.0, be |
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37 | careful: |
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38 | |||
39 | * new version uses `super_` instead of `super` for referencing |
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40 | superclass |
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41 | * new version overwrites current prototype while old one preserves any |
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42 | existing fields on it |