Function commonNormalizedPosixPath

Example

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

// aliasing our functions for brevity
const eq = assertEquals, fn = commonNormalizedPosixPath

eq(fn([
	"C:/Hello/World/This/Is/An/Example/Bla.cs",
	"C:/Hello/World/This/Is/Not/An/Example/",
	"C:/Hello/Earth/Bla/Bla/Bla",
]), "C:/Hello/")

eq(fn([
	"C:/Hello/World/This/Is/An/Example/Bla.cs",
	"C:/Hello/World/This/is/an/example/bla.cs",
	"C:/Hello/World/This/Is/Not/An/Example/",
]), "C:/Hello/World/This/")

eq(fn([
	"./../Hello/World/Users/This/Is/An/Example/Bla.cs",
	"./../Hello/World Users/This/Is/An/example/bla.cs",
	"./../Hello/World-Users/This/Is/Not/An/Example/",
]), "./../Hello/")

eq(fn([
	"./Hello/World/Users/This/Is/An/Example/Bla.cs",
	"./Hello/World/",
	"./Hello/World", // the "World" here segment is not treated as a directory
]), "./Hello/")

eq(fn([
	"C:/Hello/World/",
	"/C:/Hello/World/",
	"C:/Hello/World/",
]), "") // no common prefix was identified
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