| // 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 min = 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 (!min) |
| min = version |
| } else { |
| if (prev) { |
| set.push([min, prev]) |
| } |
| prev = null |
| min = null |
| } |
| } |
| if (min) |
| set.push([min, 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 |
| } |
