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4 | const satisfies = require('../functions/satisfies.js')
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5 | const compare = require('../functions/compare.js')
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6 | module.exports = (versions, range, options) => {
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7 | const set = []
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8 | let min = null
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9 | let prev = null
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10 | const v = versions.sort((a, b) => compare(a, b, options))
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11 | for (const version of v) {
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12 | const included = satisfies(version, range, options)
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13 | if (included) {
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14 | prev = version
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15 | if (!min)
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16 | min = version
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17 | } else {
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18 | if (prev) {
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19 | set.push([min, prev])
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20 | }
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21 | prev = null
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22 | min = null
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23 | }
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24 | }
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25 | if (min)
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26 | set.push([min, null])
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27 |
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28 | const ranges = []
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29 | for (const [min, max] of set) {
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30 | if (min === max)
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31 | ranges.push(min)
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32 | else if (!max && min === v[0])
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33 | ranges.push('*')
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34 | else if (!max)
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35 | ranges.push(`>=${min}`)
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36 | else if (min === v[0])
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37 | ranges.push(`<=${max}`)
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38 | else
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39 | ranges.push(`${min} - ${max}`)
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40 | }
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41 | const simplified = ranges.join(' || ')
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42 | const original = typeof range.raw === 'string' ? range.raw : String(range)
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43 | return simplified.length < original.length ? simplified : range
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44 | }
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