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-undefined.js

@@ -8,78 +8,79 @@
 // Rule Definition
 //------------------------------------------------------------------------------
 
-/** @type {import('../types').Rule.RuleModule} */
+/** @type {import('../shared/types').Rule} */
 module.exports = {
-	meta: {
-		type: "suggestion",
+    meta: {
+        type: "suggestion",
 
-		docs: {
-			description: "Disallow the use of `undefined` as an identifier",
-			recommended: false,
-			frozen: true,
-			url: "https://eslint.org/docs/latest/rules/no-undefined",
-		},
+        docs: {
+            description: "Disallow the use of `undefined` as an identifier",
+            recommended: false,
+            url: "https://eslint.org/docs/latest/rules/no-undefined"
+        },
 
-		schema: [],
+        schema: [],
 
-		messages: {
-			unexpectedUndefined: "Unexpected use of undefined.",
-		},
-	},
+        messages: {
+            unexpectedUndefined: "Unexpected use of undefined."
+        }
+    },
 
-	create(context) {
-		const sourceCode = context.sourceCode;
+    create(context) {
 
-		/**
-		 * Report an invalid "undefined" identifier node.
-		 * @param {ASTNode} node The node to report.
-		 * @returns {void}
-		 */
-		function report(node) {
-			context.report({
-				node,
-				messageId: "unexpectedUndefined",
-			});
-		}
+        const sourceCode = context.sourceCode;
 
-		/**
-		 * Checks the given scope for references to `undefined` and reports
-		 * all references found.
-		 * @param {eslint-scope.Scope} scope The scope to check.
-		 * @returns {void}
-		 */
-		function checkScope(scope) {
-			const undefinedVar = scope.set.get("undefined");
+        /**
+         * Report an invalid "undefined" identifier node.
+         * @param {ASTNode} node The node to report.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({
+                node,
+                messageId: "unexpectedUndefined"
+            });
+        }
 
-			if (!undefinedVar) {
-				return;
-			}
+        /**
+         * Checks the given scope for references to `undefined` and reports
+         * all references found.
+         * @param {eslint-scope.Scope} scope The scope to check.
+         * @returns {void}
+         */
+        function checkScope(scope) {
+            const undefinedVar = scope.set.get("undefined");
 
-			const references = undefinedVar.references;
+            if (!undefinedVar) {
+                return;
+            }
 
-			const defs = undefinedVar.defs;
+            const references = undefinedVar.references;
 
-			// Report non-initializing references (those are covered in defs below)
-			references
-				.filter(ref => !ref.init)
-				.forEach(ref => report(ref.identifier));
+            const defs = undefinedVar.defs;
 
-			defs.forEach(def => report(def.name));
-		}
+            // Report non-initializing references (those are covered in defs below)
+            references
+                .filter(ref => !ref.init)
+                .forEach(ref => report(ref.identifier));
 
-		return {
-			"Program:exit"(node) {
-				const globalScope = sourceCode.getScope(node);
+            defs.forEach(def => report(def.name));
+        }
 
-				const stack = [globalScope];
+        return {
+            "Program:exit"(node) {
+                const globalScope = sourceCode.getScope(node);
 
-				while (stack.length) {
-					const scope = stack.pop();
+                const stack = [globalScope];
 
-					stack.push(...scope.childScopes);
-					checkScope(scope);
-				}
-			},
-		};
-	},
+                while (stack.length) {
+                    const scope = stack.pop();
+
+                    stack.push(...scope.childScopes);
+                    checkScope(scope);
+                }
+            }
+        };
+
+    }
 };