Function parseOperator

Example

import { assertObjectMatch } from "jsr:@std/assert"

// aliasing our functions and constants for brevity
const
	fn = parseOperator,
	eq = assertObjectMatch

eq(fn("1.2.3"),  { operator: "=",  major: 1, minor: 2, patch: 3 })
eq(fn(""),       { operator: "=",  })
eq(fn("x"),      { operator: "=",  })
eq(fn("  1.x "), { operator: "=",  major: 1 })
eq(fn(" = 1.x"), { operator: "=",  major: 1 })
eq(fn("1.x.*"),  { operator: "=",  major: 1 })
eq(fn("1"),      { operator: "=",  major: 1 })
eq(fn("> 1.2 "), { operator: ">",  major: 1, minor: 2 })
eq(fn(">1.2.0"), { operator: ">",  major: 1, minor: 2, patch: 0 })
eq(fn(">=1.2"),  { operator: ">=", major: 1, minor: 2 })
eq(fn("<1.2"),   { operator: "<",  major: 1, minor: 2 })
eq(fn("<=1.2"),  { operator: "<=", major: 1, minor: 2 })
eq(fn("<1.0.0"), { operator: "<",  major: 1, minor: 0, patch: 0 })
eq(fn("<1-pre"), { operator: "<",  major: 1, prerelease: "pre" })
eq(fn("<1+abc"), { operator: "<",  major: 1, build: "abc" })
eq(fn("!=1.x"),  { operator: "!=", major: 1 })
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