fix: prevent asset conflicts between React and Grid.js versions

Add coexistence checks to all enqueue methods to prevent loading
both React and Grid.js assets simultaneously.

Changes:
- ReactAdmin.php: Only enqueue React assets when ?react=1
- Init.php: Skip Grid.js when React active on admin pages
- Form.php, Coupon.php, Access.php: Restore classic assets when ?react=0
- Customer.php, Product.php, License.php: Add coexistence checks

Now the toggle between Classic and React versions works correctly.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

node_modules/@tannin/evaluate/CHANGELOG.md

@@ -0,0 +1,31 @@
+## 1.2.0 (2020-03-07)
+
+New Features
+
+- Add TypeScript definitions
+
+## 1.1.2 (2019-11-27)
+
+Internal
+
+- Update project inter-dependencies
+
+## 1.1.1 (2019-03-07)
+
+Internal
+
+- Add `repository.directory` to `package.json`
+
+## 1.1.0 (2019-01-19)
+
+Improvements
+
+- Improve performance by upwards of 4.5x in some common scenarios ([benchmarked optimization](http://jsbench.github.io/#d4e1fe19291d325ae4fdc4e8cc609d1b))
+
+Documentation
+
+- Correct documentation unpkg links
+
+Internal
+
+- Use Lerna for managing mono-repo

node_modules/@tannin/evaluate/LICENSE.md

@@ -0,0 +1,7 @@
+[The MIT License (MIT)](https://opensource.org/licenses/MIT)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/@tannin/evaluate/README.md

@@ -0,0 +1,34 @@
+`@tannin/evaluate`
+==================
+
+Evaluates the result of an expression given as postfix terms.
+
+## Installation
+
+Using [npm](https://www.npmjs.com/) as a package manager:
+
+```
+npm install @tannin/evaluate
+```
+
+Otherwise, download a pre-built copy from unpkg:
+
+[https://unpkg.com/@tannin/evaluate/dist/evaluate.min.js](https://unpkg.com/@tannin/evaluate/dist/evaluate.min.js)
+
+## Usage
+
+```js
+import evaluate from '@tannin/evaluate';
+
+// 3 + 4 * 5 / 6 ⇒ '3 4 5 * 6 / +'
+const terms = [ '3', '4', '5', '*', '6', '/', '+' ];
+
+evaluate( terms, {} );
+// ⇒ 6.333333333333334
+```
+
+## License
+
+Copyright 2019-2020 Andrew Duthie
+
+Released under the [MIT License](https://opensource.org/licenses/MIT).

node_modules/@tannin/evaluate/build/index.js

@@ -0,0 +1,114 @@
+'use strict';
+
+/**
+ * Operator callback functions.
+ *
+ * @type {Object}
+ */
+var OPERATORS = {
+	'!': function( a ) {
+		return ! a;
+	},
+	'*': function( a, b ) {
+		return a * b;
+	},
+	'/': function( a, b ) {
+		return a / b;
+	},
+	'%': function( a, b ) {
+		return a % b;
+	},
+	'+': function( a, b ) {
+		return a + b;
+	},
+	'-': function( a, b ) {
+		return a - b;
+	},
+	'<': function( a, b ) {
+		return a < b;
+	},
+	'<=': function( a, b ) {
+		return a <= b;
+	},
+	'>': function( a, b ) {
+		return a > b;
+	},
+	'>=': function( a, b ) {
+		return a >= b;
+	},
+	'==': function( a, b ) {
+		return a === b;
+	},
+	'!=': function( a, b ) {
+		return a !== b;
+	},
+	'&&': function( a, b ) {
+		return a && b;
+	},
+	'||': function( a, b ) {
+		return a || b;
+	},
+	'?:': function( a, b, c ) {
+		if ( a ) {
+			throw b;
+		}
+
+		return c;
+	},
+};
+
+/**
+ * Given an array of postfix terms and operand variables, returns the result of
+ * the postfix evaluation.
+ *
+ * @example
+ *
+ * ```js
+ * import evaluate from '@tannin/evaluate';
+ *
+ * // 3 + 4 * 5 / 6 ⇒ '3 4 5 * 6 / +'
+ * const terms = [ '3', '4', '5', '*', '6', '/', '+' ];
+ *
+ * evaluate( terms, {} );
+ * // ⇒ 6.333333333333334
+ * ```
+ *
+ * @param {string[]} postfix   Postfix terms.
+ * @param {Object}   variables Operand variables.
+ *
+ * @return {*} Result of evaluation.
+ */
+function evaluate( postfix, variables ) {
+	var stack = [],
+		i, j, args, getOperatorResult, term, value;
+
+	for ( i = 0; i < postfix.length; i++ ) {
+		term = postfix[ i ];
+
+		getOperatorResult = OPERATORS[ term ];
+		if ( getOperatorResult ) {
+			// Pop from stack by number of function arguments.
+			j = getOperatorResult.length;
+			args = Array( j );
+			while ( j-- ) {
+				args[ j ] = stack.pop();
+			}
+
+			try {
+				value = getOperatorResult.apply( null, args );
+			} catch ( earlyReturn ) {
+				return earlyReturn;
+			}
+		} else if ( variables.hasOwnProperty( term ) ) {
+			value = variables[ term ];
+		} else {
+			value = +term;
+		}
+
+		stack.push( value );
+	}
+
+	return stack[ 0 ];
+}
+
+module.exports = evaluate;

node_modules/@tannin/evaluate/dist/evaluate.js

@@ -0,0 +1,117 @@
+var evaluate = (function () {
+	'use strict';
+
+	/**
+	 * Operator callback functions.
+	 *
+	 * @type {Object}
+	 */
+	var OPERATORS = {
+		'!': function( a ) {
+			return ! a;
+		},
+		'*': function( a, b ) {
+			return a * b;
+		},
+		'/': function( a, b ) {
+			return a / b;
+		},
+		'%': function( a, b ) {
+			return a % b;
+		},
+		'+': function( a, b ) {
+			return a + b;
+		},
+		'-': function( a, b ) {
+			return a - b;
+		},
+		'<': function( a, b ) {
+			return a < b;
+		},
+		'<=': function( a, b ) {
+			return a <= b;
+		},
+		'>': function( a, b ) {
+			return a > b;
+		},
+		'>=': function( a, b ) {
+			return a >= b;
+		},
+		'==': function( a, b ) {
+			return a === b;
+		},
+		'!=': function( a, b ) {
+			return a !== b;
+		},
+		'&&': function( a, b ) {
+			return a && b;
+		},
+		'||': function( a, b ) {
+			return a || b;
+		},
+		'?:': function( a, b, c ) {
+			if ( a ) {
+				throw b;
+			}
+
+			return c;
+		},
+	};
+
+	/**
+	 * Given an array of postfix terms and operand variables, returns the result of
+	 * the postfix evaluation.
+	 *
+	 * @example
+	 *
+	 * ```js
+	 * import evaluate from '@tannin/evaluate';
+	 *
+	 * // 3 + 4 * 5 / 6 ⇒ '3 4 5 * 6 / +'
+	 * const terms = [ '3', '4', '5', '*', '6', '/', '+' ];
+	 *
+	 * evaluate( terms, {} );
+	 * // ⇒ 6.333333333333334
+	 * ```
+	 *
+	 * @param {string[]} postfix   Postfix terms.
+	 * @param {Object}   variables Operand variables.
+	 *
+	 * @return {*} Result of evaluation.
+	 */
+	function evaluate( postfix, variables ) {
+		var stack = [],
+			i, j, args, getOperatorResult, term, value;
+
+		for ( i = 0; i < postfix.length; i++ ) {
+			term = postfix[ i ];
+
+			getOperatorResult = OPERATORS[ term ];
+			if ( getOperatorResult ) {
+				// Pop from stack by number of function arguments.
+				j = getOperatorResult.length;
+				args = Array( j );
+				while ( j-- ) {
+					args[ j ] = stack.pop();
+				}
+
+				try {
+					value = getOperatorResult.apply( null, args );
+				} catch ( earlyReturn ) {
+					return earlyReturn;
+				}
+			} else if ( variables.hasOwnProperty( term ) ) {
+				value = variables[ term ];
+			} else {
+				value = +term;
+			}
+
+			stack.push( value );
+		}
+
+		return stack[ 0 ];
+	}
+
+	return evaluate;
+
+}());

node_modules/@tannin/evaluate/dist/evaluate.min.js

@@ -0,0 +1 @@
+var evaluate=function(){"use strict";var a={"!":function(n){return!n},"*":function(n,r){return n*r},"/":function(n,r){return n/r},"%":function(n,r){return n%r},"+":function(n,r){return n+r},"-":function(n,r){return n-r},"<":function(n,r){return n<r},"<=":function(n,r){return n<=r},">":function(n,r){return r<n},">=":function(n,r){return r<=n},"==":function(n,r){return n===r},"!=":function(n,r){return n!==r},"&&":function(n,r){return n&&r},"||":function(n,r){return n||r},"?:":function(n,r,t){if(n)throw r;return t}};return function(n,r){var t,u,e,o,f,c,i=[];for(t=0;t<n.length;t++){if(f=n[t],o=a[f]){for(u=o.length,e=Array(u);u--;)e[u]=i.pop();try{c=o.apply(null,e)}catch(n){return n}}else c=r.hasOwnProperty(f)?r[f]:+f;i.push(c)}return i[0]}}();

node_modules/@tannin/evaluate/index.d.ts

@@ -0,0 +1,22 @@
+/**
+ * Given an array of postfix terms and operand variables, returns the result of
+ * the postfix evaluation.
+ *
+ * @example
+ *
+ * ```js
+ * import evaluate from '@tannin/evaluate';
+ *
+ * // 3 + 4 * 5 / 6 ⇒ '3 4 5 * 6 / +'
+ * const terms = [ '3', '4', '5', '*', '6', '/', '+' ];
+ *
+ * evaluate( terms, {} );
+ * // ⇒ 6.333333333333334
+ * ```
+ *
+ * @param {string[]} postfix   Postfix terms.
+ * @param {Object}   variables Operand variables.
+ *
+ * @return {*} Result of evaluation.
+ */
+export default function evaluate(postfix: string[], variables: any): any;

node_modules/@tannin/evaluate/index.js

@@ -0,0 +1,110 @@
+/**
+ * Operator callback functions.
+ *
+ * @type {Object}
+ */
+var OPERATORS = {
+	'!': function( a ) {
+		return ! a;
+	},
+	'*': function( a, b ) {
+		return a * b;
+	},
+	'/': function( a, b ) {
+		return a / b;
+	},
+	'%': function( a, b ) {
+		return a % b;
+	},
+	'+': function( a, b ) {
+		return a + b;
+	},
+	'-': function( a, b ) {
+		return a - b;
+	},
+	'<': function( a, b ) {
+		return a < b;
+	},
+	'<=': function( a, b ) {
+		return a <= b;
+	},
+	'>': function( a, b ) {
+		return a > b;
+	},
+	'>=': function( a, b ) {
+		return a >= b;
+	},
+	'==': function( a, b ) {
+		return a === b;
+	},
+	'!=': function( a, b ) {
+		return a !== b;
+	},
+	'&&': function( a, b ) {
+		return a && b;
+	},
+	'||': function( a, b ) {
+		return a || b;
+	},
+	'?:': function( a, b, c ) {
+		if ( a ) {
+			throw b;
+		}
+
+		return c;
+	},
+};
+
+/**
+ * Given an array of postfix terms and operand variables, returns the result of
+ * the postfix evaluation.
+ *
+ * @example
+ *
+ * ```js
+ * import evaluate from '@tannin/evaluate';
+ *
+ * // 3 + 4 * 5 / 6 ⇒ '3 4 5 * 6 / +'
+ * const terms = [ '3', '4', '5', '*', '6', '/', '+' ];
+ *
+ * evaluate( terms, {} );
+ * // ⇒ 6.333333333333334
+ * ```
+ *
+ * @param {string[]} postfix   Postfix terms.
+ * @param {Object}   variables Operand variables.
+ *
+ * @return {*} Result of evaluation.
+ */
+export default function evaluate( postfix, variables ) {
+	var stack = [],
+		i, j, args, getOperatorResult, term, value;
+
+	for ( i = 0; i < postfix.length; i++ ) {
+		term = postfix[ i ];
+
+		getOperatorResult = OPERATORS[ term ];
+		if ( getOperatorResult ) {
+			// Pop from stack by number of function arguments.
+			j = getOperatorResult.length;
+			args = Array( j );
+			while ( j-- ) {
+				args[ j ] = stack.pop();
+			}
+
+			try {
+				value = getOperatorResult.apply( null, args );
+			} catch ( earlyReturn ) {
+				return earlyReturn;
+			}
+		} else if ( variables.hasOwnProperty( term ) ) {
+			value = variables[ term ];
+		} else {
+			value = +term;
+		}
+
+		stack.push( value );
+	}
+
+	return stack[ 0 ];
+}

node_modules/@tannin/evaluate/package.json

@@ -0,0 +1,34 @@
+{
+  "name": "@tannin/evaluate",
+  "version": "1.2.0",
+  "description": "Evaluates the result of an expression given as postfix terms",
+  "main": "build/index.js",
+  "module": "index.js",
+  "types": "index.d.ts",
+  "keywords": [],
+  "author": {
+    "name": "Andrew Duthie",
+    "email": "andrew@andrewduthie.com",
+    "url": "https://andrewduthie.com"
+  },
+  "homepage": "https://github.com/aduth/tannin",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/aduth/tannin.git",
+    "directory": "packages/evaluate"
+  },
+  "bugs": {
+    "url": "https://github.com/aduth/tannin/issues"
+  },
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "build",
+    "dist"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "cd1c7447843df7751c4abd1b92aee03fe56bfba4"
+}