build: update npm install command to use --legacy-peer-deps

This change modifies the build scripts to use --legacy-peer-deps flag when installing npm dependencies to resolve potential peer dependency conflicts during the build process. The change is applied to both bash (build.sh) and batch (build.bat) build scripts.

frontend/node_modules/eslint/lib/rules/no-octal-escape.js

@@ -9,45 +9,48 @@
 // Rule Definition
 //------------------------------------------------------------------------------
 
-/** @type {import('../types').Rule.RuleModule} */
+/** @type {import('../shared/types').Rule} */
 module.exports = {
-	meta: {
-		type: "suggestion",
+    meta: {
+        type: "suggestion",
 
-		docs: {
-			description: "Disallow octal escape sequences in string literals",
-			recommended: false,
-			url: "https://eslint.org/docs/latest/rules/no-octal-escape",
-		},
+        docs: {
+            description: "Disallow octal escape sequences in string literals",
+            recommended: false,
+            url: "https://eslint.org/docs/latest/rules/no-octal-escape"
+        },
 
-		schema: [],
+        schema: [],
 
-		messages: {
-			octalEscapeSequence:
-				"Don't use octal: '\\{{sequence}}'. Use '\\u....' instead.",
-		},
-	},
+        messages: {
+            octalEscapeSequence: "Don't use octal: '\\{{sequence}}'. Use '\\u....' instead."
+        }
+    },
 
-	create(context) {
-		return {
-			Literal(node) {
-				if (typeof node.value !== "string") {
-					return;
-				}
+    create(context) {
 
-				// \0 represents a valid NULL character if it isn't followed by a digit.
-				const match = node.raw.match(
-					/^(?:[^\\]|\\.)*?\\([0-3][0-7]{1,2}|[4-7][0-7]|0(?=[89])|[1-7])/su,
-				);
+        return {
 
-				if (match) {
-					context.report({
-						node,
-						messageId: "octalEscapeSequence",
-						data: { sequence: match[1] },
-					});
-				}
-			},
-		};
-	},
+            Literal(node) {
+                if (typeof node.value !== "string") {
+                    return;
+                }
+
+                // \0 represents a valid NULL character if it isn't followed by a digit.
+                const match = node.raw.match(
+                    /^(?:[^\\]|\\.)*?\\([0-3][0-7]{1,2}|[4-7][0-7]|0(?=[89])|[1-7])/su
+                );
+
+                if (match) {
+                    context.report({
+                        node,
+                        messageId: "octalEscapeSequence",
+                        data: { sequence: match[1] }
+                    });
+                }
+            }
+
+        };
+
+    }
 };