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89 lines
2.5 KiB
TypeScript
89 lines
2.5 KiB
TypeScript
// Copyright the Browserify authors. MIT License.
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// Ported from https://github.com/browserify/path-browserify/
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import { test, assertEqual } from "../../testing/mod.ts";
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import * as path from "./mod.ts";
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const slashRE = /\//g;
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const pairs = [
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["", ""],
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["/path/to/file", ""],
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["/path/to/file.ext", ".ext"],
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["/path.to/file.ext", ".ext"],
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["/path.to/file", ""],
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["/path.to/.file", ""],
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["/path.to/.file.ext", ".ext"],
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["/path/to/f.ext", ".ext"],
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["/path/to/..ext", ".ext"],
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["/path/to/..", ""],
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["file", ""],
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["file.ext", ".ext"],
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[".file", ""],
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[".file.ext", ".ext"],
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["/file", ""],
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["/file.ext", ".ext"],
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["/.file", ""],
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["/.file.ext", ".ext"],
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[".path/file.ext", ".ext"],
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["file.ext.ext", ".ext"],
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["file.", "."],
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[".", ""],
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["./", ""],
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[".file.ext", ".ext"],
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[".file", ""],
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[".file.", "."],
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[".file..", "."],
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["..", ""],
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["../", ""],
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["..file.ext", ".ext"],
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["..file", ".file"],
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["..file.", "."],
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["..file..", "."],
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["...", "."],
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["...ext", ".ext"],
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["....", "."],
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["file.ext/", ".ext"],
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["file.ext//", ".ext"],
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["file/", ""],
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["file//", ""],
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["file./", "."],
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["file.//", "."]
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];
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test(function extname() {
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pairs.forEach(function(p) {
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const input = p[0];
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const expected = p[1];
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assertEqual(expected, path.posix.extname(input));
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});
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// On *nix, backslash is a valid name component like any other character.
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assertEqual(path.posix.extname(".\\"), "");
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assertEqual(path.posix.extname("..\\"), ".\\");
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assertEqual(path.posix.extname("file.ext\\"), ".ext\\");
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assertEqual(path.posix.extname("file.ext\\\\"), ".ext\\\\");
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assertEqual(path.posix.extname("file\\"), "");
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assertEqual(path.posix.extname("file\\\\"), "");
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assertEqual(path.posix.extname("file.\\"), ".\\");
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assertEqual(path.posix.extname("file.\\\\"), ".\\\\");
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});
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test(function extnameWin32() {
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pairs.forEach(function(p) {
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const input = p[0].replace(slashRE, "\\");
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const expected = p[1];
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assertEqual(expected, path.win32.extname(input));
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assertEqual(expected, path.win32.extname("C:" + input));
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});
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// On Windows, backslash is a path separator.
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assertEqual(path.win32.extname(".\\"), "");
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assertEqual(path.win32.extname("..\\"), "");
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assertEqual(path.win32.extname("file.ext\\"), ".ext");
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assertEqual(path.win32.extname("file.ext\\\\"), ".ext");
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assertEqual(path.win32.extname("file\\"), "");
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assertEqual(path.win32.extname("file\\\\"), "");
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assertEqual(path.win32.extname("file.\\"), ".");
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assertEqual(path.win32.extname("file.\\\\"), ".");
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});
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