47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
// given a set of versions and a range, create a "simplified" range
|
|
// that includes the same versions that the original range does
|
|
// If the original range is shorter than the simplified one, return that.
|
|
const satisfies = require('../functions/satisfies.js')
|
|
const compare = require('../functions/compare.js')
|
|
module.exports = (versions, range, options) => {
|
|
const set = []
|
|
let first = null
|
|
let prev = null
|
|
const v = versions.sort((a, b) => compare(a, b, options))
|
|
for (const version of v) {
|
|
const included = satisfies(version, range, options)
|
|
if (included) {
|
|
prev = version
|
|
if (!first) {
|
|
first = version
|
|
}
|
|
} else {
|
|
if (prev) {
|
|
set.push([first, prev])
|
|
}
|
|
prev = null
|
|
first = null
|
|
}
|
|
}
|
|
if (first) {
|
|
set.push([first, null])
|
|
}
|
|
|
|
const ranges = []
|
|
for (const [min, max] of set) {
|
|
if (min === max) {
|
|
ranges.push(min)
|
|
} else if (!max && min === v[0]) {
|
|
ranges.push('*')
|
|
} else if (!max) {
|
|
ranges.push(`>=${min}`)
|
|
} else if (min === v[0]) {
|
|
ranges.push(`<=${max}`)
|
|
} else {
|
|
ranges.push(`${min} - ${max}`)
|
|
}
|
|
}
|
|
const simplified = ranges.join(' || ')
|
|
const original = typeof range.raw === 'string' ? range.raw : String(range)
|
|
return simplified.length < original.length ? simplified : range
|
|
}
|