| 1 | const { isNode } = require('browser-or-node')
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| 2 | const sha1 = require('hash.js/lib/hash/sha/1')
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| 3 | const JSZip = require('jszip')
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| 4 | const versionHash = require('./version-hash')
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| 5 |
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| 6 | module.exports = async (files) => {
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| 7 | const zip = new JSZip()
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| 8 | const fileMap = {}
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| 9 | await Promise.all(files.map((file) =>
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| 10 | new Promise(async (resolve) => {
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| 11 | zip.file(file.path, file.data)
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| 12 |
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| 13 | const fileContentsSha = sha1().update(file.data).digest('hex')
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| 14 | const fileMapHash = sha1().update(fileContentsSha).update(file.path).digest('hex')
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| 15 | fileMap[fileMapHash] = file.path
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| 16 | resolve()
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| 17 | })
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| 18 | ))
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| 19 |
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| 20 | return {
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| 21 | zip: await zip.generateAsync({ type: isNode ? 'nodebuffer' : 'blob' }),
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| 22 | fileMap,
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| 23 | versionHash: versionHash(fileMap)
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| 24 | }
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| 25 | }
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