From 371b9ea923bdf607558fb010347c8aed171073c1 Mon Sep 17 00:00:00 2001
From: gfyoung <gfyoung17@gmail.com>
Date: Wed, 3 Nov 2021 10:02:57 +0000
Subject: [PATCH] Restore ability to accept relative paths

Blocking the acceptance of relative paths by throwing errors
is a relatively harsh change that has made it difficult for
downstream libraries (e.g., eslint) to upgrade.

Given that relative paths have undefined treatment in ".gitignore"
and the usage of this library beyond ".gitignore" behavior, it seems
fair to give downstream users the chance to customize the handling
of these cases for their own cases.

xref: https://github.com/kaelzhang/node-ignore/issues/20
---
 index.d.ts |  1 +
 index.js   | 12 +++++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 66657af..45d5c60 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -49,6 +49,7 @@ export interface Ignore {
 
 interface Options {
   ignorecase?: boolean
+  ignorerelative?: boolean
 }
 
 /**
diff --git a/index.js b/index.js
index 0ff33ea..f6bedf9 100644
--- a/index.js
+++ b/index.js
@@ -362,7 +362,7 @@ const throwError = (message, Ctor) => {
   throw new Ctor(message)
 }
 
-const checkPath = (path, originalPath, doThrow) => {
+const checkPath = (path, originalPath, doThrow, ignoreRelative = false) => {
   if (!isString(path)) {
     return doThrow(
       `path must be a string, but got \`${originalPath}\``,
@@ -376,7 +376,7 @@ const checkPath = (path, originalPath, doThrow) => {
   }
 
   // Check if it is a relative path
-  if (checkPath.isNotRelative(path)) {
+  if (checkPath.isNotRelative(path) && !ignoreRelative) {
     const r = '`path.relative()`d'
     return doThrow(
       `path should be a ${r} string, but got "${originalPath}"`,
@@ -394,12 +394,14 @@ checkPath.convert = p => p
 
 class Ignore {
   constructor ({
-    ignorecase = true
+    ignorecase = true,
+    ignorerelative = false,
   } = {}) {
     define(this, KEY_IGNORE, true)
 
     this._rules = []
     this._ignorecase = ignorecase
+    this._ignorerelative = ignorerelative
     this._initCache()
   }
 
@@ -496,7 +498,7 @@ class Ignore {
       // Supports nullable path
       && checkPath.convert(originalPath)
 
-    checkPath(path, originalPath, throwError)
+    checkPath(path, originalPath, throwError, this._ignorerelative)
 
     return this._t(path, cache, checkUnignored, slices)
   }
@@ -559,7 +561,7 @@ const returnFalse = () => false
 const isPathValid = path =>
   checkPath(path && checkPath.convert(path), path, returnFalse)
 
-factory.isPathValid = isPathValid
+factory.isPathValid = path => isPathValid(path)
 
 // Fixes typescript
 factory.default = factory