Function commonPathReplace

Example

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

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

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",
], "D:/"), [
	"D:/World/This/Is/An/Example/Bla.cs",
	"D:/World/This/Is/Not/An/Example/",
	"D:/Earth/Bla/Bla/Bla",
])

eq(fn([
	"C:/Hello/World/This/Used/to-be-an/example/../../../Is/An/Example/Bla.cs",
	"C:/Hello/World/This/Is/an/example/bla.cs",
	"C:/Hello/World/This/Is/Not/An/Example/",
], "D:/temp"), [ // an implicit  forward slash is added.
	"D:/temp/An/Example/Bla.cs",
	"D:/temp/an/example/bla.cs",
	"D:/temp/Not/An/Example/",
])

eq(fn([
	// there is no common ancestor among each of the paths (even "C:/" and "./C:/" are not considered to be equivalent to one another) 
	"http:/Hello/World.cs",
	"./C:/Hello/World.cs",
	"C:/Hello/World/file.cs",
], "D:/temp/"), [
	"D:/temp/http:/Hello/World.cs",
	"D:/temp/C:/Hello/World.cs",
	"D:/temp/C:/Hello/World/file.cs",
])

eq(fn([
	"/C:/Hello///World/Users/This/Is/An/Example/Bla.cs",
	"/C:\\Hello\\World Users\\This\\Is/An\\example/bla.cs",
	"/C:/./.\\.\\././Hello/World-Users/./././././This/Is/Not/An/Example/",
], "file:///./.\\HELLO.\\./../"), [ // the `new_common_dir` is not normalized by this function
	"file:///./.\\HELLO.\\./..///World/Users/This/Is/An/Example/Bla.cs",
	"file:///./.\\HELLO.\\./../World Users/This/Is/An/example/bla.cs",
	"file:///./.\\HELLO.\\./../World-Users/This/Is/Not/An/Example/",
])
Copy