| 1 | const eq = require('./eq')
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| 2 | const neq = require('./neq')
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| 3 | const gt = require('./gt')
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| 4 | const gte = require('./gte')
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| 5 | const lt = require('./lt')
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| 6 | const lte = require('./lte')
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| 7 |
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| 8 | const cmp = (a, op, b, loose) => {
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| 9 | switch (op) {
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| 10 | case '===':
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| 11 | if (typeof a === 'object') {
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| 12 | a = a.version
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| 13 | }
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| 14 | if (typeof b === 'object') {
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| 15 | b = b.version
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| 16 | }
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| 17 | return a === b
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| 18 |
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| 19 | case '!==':
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| 20 | if (typeof a === 'object') {
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| 21 | a = a.version
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| 22 | }
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| 23 | if (typeof b === 'object') {
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| 24 | b = b.version
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| 25 | }
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| 26 | return a !== b
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| 27 |
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| 28 | case '':
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| 29 | case '=':
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| 30 | case '==':
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| 31 | return eq(a, b, loose)
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| 32 |
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| 33 | case '!=':
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| 34 | return neq(a, b, loose)
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| 35 |
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| 36 | case '>':
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| 37 | return gt(a, b, loose)
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| 38 |
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| 39 | case '>=':
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| 40 | return gte(a, b, loose)
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| 41 |
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| 42 | case '<':
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| 43 | return lt(a, b, loose)
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| 44 |
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| 45 | case '<=':
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| 46 | return lte(a, b, loose)
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| 47 |
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| 48 | default:
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| 49 | throw new TypeError(`Invalid operator: ${op}`)
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| 50 | }
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| 51 | }
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| 52 | module.exports = cmp
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