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| 'use strict';
| const cmp = require('semver/functions/cmp');
| const semver = require('semver/functions/coerce');
|
| const has = Function.call.bind({}.hasOwnProperty);
|
| function compare(a, operator, b) {
| return cmp(semver(a), operator, semver(b));
| }
|
| function intersection(list, order) {
| const set = list instanceof Set ? list : new Set(list);
| return order.filter(name => set.has(name));
| }
|
| function sortObjectByKey(object, fn) {
| return Object.keys(object).sort(fn).reduce((memo, key) => {
| memo[key] = object[key];
| return memo;
| }, {});
| }
|
| module.exports = {
| compare,
| has,
| intersection,
| semver,
| sortObjectByKey,
| };
|
|
