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Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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Property mode
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100644
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File size:
394 bytes
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| [6a3a178] | 1 | // warning: extremely hot code path.
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| 2 | // This has been meticulously optimized for use
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| 3 | // within npm install on large package trees.
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| 4 | // Do not edit without careful benchmarking.
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| 5 | module.exports = str => {
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| 6 | let i = str.length - 1
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| 7 | let slashesStart = -1
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| 8 | while (i > -1 && str.charAt(i) === '/') {
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| 9 | slashesStart = i
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| 10 | i--
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| 11 | }
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| 12 | return slashesStart === -1 ? str : str.slice(0, slashesStart)
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| 13 | }
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