From 23d1d843c190988f6e7b2e7013026f64f2edd074 Mon Sep 17 00:00:00 2001
From: Marin Atanasov <8436925+tyxla@users.noreply.github.com>
Date: Wed, 10 Aug 2022 13:00:19 +0300
Subject: [PATCH] Lodash: Remove completely from docgen package (#43100)

---
 package-lock.json                                      |  1 -
 packages/docgen/lib/get-export-entries.js              |  9 ++-------
 packages/docgen/lib/get-intermediate-representation.js |  9 ++-------
 packages/docgen/lib/get-leading-comments.js            | 10 ++++------
 packages/docgen/lib/index.js                           |  6 ++++--
 packages/docgen/package.json                           |  1 -
 6 files changed, 12 insertions(+), 24 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 8e5f202c7601a..3ab747322efb4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16935,7 +16935,6 @@
 			"requires": {
 				"@babel/core": "^7.16.0",
 				"comment-parser": "^1.1.1",
-				"lodash": "^4.17.21",
 				"mdast-util-inject": "1.1.0",
 				"optionator": "0.8.2",
 				"remark": "10.0.1",
diff --git a/packages/docgen/lib/get-export-entries.js b/packages/docgen/lib/get-export-entries.js
index fb697264d3162..dc4046b72fcc7 100644
--- a/packages/docgen/lib/get-export-entries.js
+++ b/packages/docgen/lib/get-export-entries.js
@@ -1,8 +1,3 @@
-/**
- * External dependencies
- */
-const { get } = require( 'lodash' );
-
 /**
  * Returns the export entry records of the given export statement.
  * Unlike [the standard](http://www.ecma-international.org/ecma-262/9.0/#exportentry-record),
@@ -31,7 +26,7 @@ module.exports = ( token ) => {
 					name = t.declaration.left.name;
 					break;
 				default:
-					name = get( t.declaration, [ 'id', 'name' ], '*default*' );
+					name = t.declaration.id?.name ?? '*default*';
 			}
 			return name;
 		};
@@ -64,7 +59,7 @@ module.exports = ( token ) => {
 			name.push( {
 				localName: specifier.local.name,
 				exportName: specifier.exported.name,
-				module: get( token.source, [ 'value' ], null ),
+				module: token.source?.value ?? null,
 				lineStart: specifier.loc.start.line,
 				lineEnd: specifier.loc.end.line,
 			} )
diff --git a/packages/docgen/lib/get-intermediate-representation.js b/packages/docgen/lib/get-intermediate-representation.js
index 253283d74a27f..2f8e155c57565 100644
--- a/packages/docgen/lib/get-intermediate-representation.js
+++ b/packages/docgen/lib/get-intermediate-representation.js
@@ -1,8 +1,3 @@
-/**
- * External dependencies
- */
-const { get } = require( 'lodash' );
-
 /**
  * Internal dependencies
  */
@@ -154,8 +149,8 @@ module.exports = (
 			ir.push( {
 				path,
 				name: entry.exportName,
-				description: get( doc, [ 'description' ], UNDOCUMENTED ),
-				tags: get( doc, [ 'tags' ], [] ),
+				description: doc?.description ?? UNDOCUMENTED,
+				tags: doc?.tags ?? [],
 				lineStart: entry.lineStart,
 				lineEnd: entry.lineEnd,
 			} );
diff --git a/packages/docgen/lib/get-leading-comments.js b/packages/docgen/lib/get-leading-comments.js
index 09911a995c064..ddc0261f368e6 100644
--- a/packages/docgen/lib/get-leading-comments.js
+++ b/packages/docgen/lib/get-leading-comments.js
@@ -1,8 +1,3 @@
-/**
- * External dependencies
- */
-const { last } = require( 'lodash' );
-
 /**
  * Function that returns the leading comment
  * of a Espree node.
@@ -14,7 +9,10 @@ const { last } = require( 'lodash' );
 module.exports = ( declaration ) => {
 	let comments;
 	if ( declaration.leadingComments ) {
-		const lastComment = last( declaration.leadingComments );
+		const lastComment =
+			declaration.leadingComments[
+				declaration.leadingComments.length - 1
+			];
 		if ( lastComment ) {
 			comments = lastComment.value;
 		}
diff --git a/packages/docgen/lib/index.js b/packages/docgen/lib/index.js
index f21864d2f7411..42416d9b45238 100644
--- a/packages/docgen/lib/index.js
+++ b/packages/docgen/lib/index.js
@@ -3,7 +3,6 @@
  */
 const fs = require( 'fs' );
 const path = require( 'path' );
-const { last } = require( 'lodash' );
 
 /**
  * Internal dependencies
@@ -60,7 +59,10 @@ const processFile = ( rootDir, inputFile ) => {
 		const result = engine(
 			relativePath,
 			data,
-			getIRFromRelativePath( rootDir, last( currentFileStack ) )
+			getIRFromRelativePath(
+				rootDir,
+				currentFileStack[ currentFileStack.length - 1 ]
+			)
 		);
 		currentFileStack.pop();
 		return result;
diff --git a/packages/docgen/package.json b/packages/docgen/package.json
index 2d3caaa27eab8..73844baa723c1 100644
--- a/packages/docgen/package.json
+++ b/packages/docgen/package.json
@@ -29,7 +29,6 @@
 	"dependencies": {
 		"@babel/core": "^7.16.0",
 		"comment-parser": "^1.1.1",
-		"lodash": "^4.17.21",
 		"mdast-util-inject": "1.1.0",
 		"optionator": "0.8.2",
 		"remark": "10.0.1",