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Hornwitser
13a069a798
Replace the 10 MB of dependencies that is hash-files with a homebrew Promise based implementation of hashFile that uses crypto and fs. This somehow also ends up being the same amount of code as the one using hash-files.
23 lines
569 B
JavaScript
23 lines
569 B
JavaScript
const crypto = require('crypto');
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const fs = require('fs');
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/**
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* Returns a promise that resolves to the SHA1 hash of the file given by path
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*/
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exports.hashFile = function(path) {
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return new Promise(function(resolve, reject) {
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let hasher = crypto.createHash('sha1')
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hasher.setEncoding('hex')
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hasher.on('finish', function() {
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resolve(hasher.read());
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});
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let stream = fs.createReadStream(path);
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stream.on('error', function(error) {
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// the docs doesn't say anything about what's passed on error
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reject(error);
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});
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stream.pipe(hasher);
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});
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}
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