feat: add route and menu support for legend title properties

lib/node_modules/@stdlib/plot/base/view/lib/browser/app/editor/config/legend.js

@@ -21,7 +21,7 @@
 // MODULES //
 
 var isArray = require( '@stdlib/assert/is-array' );
 var defaults = require( './../defaults.js' );
 var resolveValue = require( './resolve_value.js' );
 var resolveTextValue = require( './resolve_text_value.js' );
 var resolveSchemaValue = require( './resolve_schema_value.js' );
@@ -32,11 +32,26 @@
 var PROPS = [
 	'direction',
 	'orient',
+	'titleAlign',
+	'titleAnchor',
+	'titleBaseline',
+	'titleColor',
+	'titleFont',
+	'titleFontSize',
+	'titleFontStyle',
+	'titleFontWeight',
+	'titleLimit',
+	'titleLineHeight',
+	'titleOpacity',
+	'titleOrient',
+	'titlePadding',
 	'type'
 ];
 var ARRAY_PROPS = [];
 var SCHEMA_PROPS = [];
-var TEXT_PROPS = [];
+var TEXT_PROPS = [
+	'title'
+];
 
 
 // MAIN //

lib/node_modules/@stdlib/plot/base/view/lib/browser/app/editor/menus/legend.js

@@ -21,7 +21,8 @@
 // MODULES //
 
 var objectKeys = require( '@stdlib/utils/keys' );
+var format = require( '@stdlib/string/format' );
 var defaults = require( './../defaults.js' );
 
 
 // VARIABLES //
@@ -68,10 +69,49 @@
 			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
 		} else if ( k === 'orient' ) {
 			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
+		} else if ( k === 'title' ) {
+			controller = folder.add( conf, k );
+		} else if ( k === 'titleAlign' ) {
+			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
+		} else if ( k === 'titleAnchor' ) {
+			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
+		} else if ( k === 'titleBaseline' ) {
+			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
+		} else if ( k === 'titleColor' ) {
+			controller = folder.addColor( conf, k );
+		} else if ( k === 'titleFont' ) {
+			controller = folder.add( conf, k );
+		} else if ( k === 'titleFontSize' ) {
+			controller = folder.add( conf, k )
+				.min( d.min )
+				.step( d.step );
+			controller.name( format( '%s (%s)', k, d.units ) );
+		} else if ( k === 'titleFontStyle' ) {
+			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
+		} else if ( k === 'titleFontWeight' ) {
+			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
+		} else if ( k === 'titleLimit' ) {
+			controller = folder.add( conf, k )
+				.min( d.min )
+				.step( d.step );
+			controller.name( format( '%s (%s)', k, d.units ) );
+		} else if ( k === 'titleLineHeight' ) {
+			controller = folder.add( conf, k )
+				.min( d.min )
+				.step( d.step );
+		} else if ( k === 'titleOpacity' ) {
+			controller = folder.add( conf, k )
+				.min( d.min )
+				.max( d.max );
+		} else if ( k === 'titleOrient' ) {
+			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
+		} else if ( k === 'titlePadding' ) {
+			controller = folder.add( conf, k );
+			controller.name( format( '%s (%s)', k, d.units ) );
 		} else if ( k === 'type' ) {
 			controller = folder.add( conf, k, EMPTY_STRING.concat( d.values ) );
 		} else {
 			console.log( 'Unrecognized property in editor configuration. Key: %s.', k );
 			continue;
 		}
 		controllers[ k ] = controller;

lib/node_modules/@stdlib/plot/base/view/lib/browser/app/schema/transforms/legend.js

@@ -31,12 +31,26 @@ var signalName = require( './../../utils/signal_name.js' );
 
 var PROPS = [
 	'orient',
+	'title',
+	'titleAlign',
+	'titleAnchor',
+	'titleColor',
+	'titleFont',
+	'titleFontSize',
+	'titleFontStyle',
+	'titleFontWeight',
+	'titleLimit',
+	'titleLineHeight',
+	'titleOpacity',
+	'titleOrient',
+	'titlePadding',
 	'type'
 ];
 
 // Define a list of properties which need to be made explicitly "undefined" when set to falsy values:
 var SPECIAL_PROPS = [
-	'direction'
+	'direction',
+	'titleBaseline'
 ];
 var isSpecialProp = contains( SPECIAL_PROPS );
 

lib/node_modules/@stdlib/plot/base/view/lib/browser/routes/config/legends/title-align/index.js

@@ -0,0 +1,43 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var schema = require( './schema.json' );
+var handler = require( './main.js' );
+
+
+// MAIN //
+
+/**
+* Defines a route handler for receiving updating a plot configuration.
+*
+* @private
+* @returns {Object} route declaration
+*/
+function route() {
+	schema.handler = handler;
+	return schema;
+}
+
+
+// EXPORTS //
+
+module.exports = route;

lib/node_modules/@stdlib/plot/base/view/lib/browser/routes/config/legends/title-align/main.js

@@ -0,0 +1,58 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var middleware = require( './../../../../middleware_sequence.js' );
+var allowCredentials = require( './../../../../middleware/allow-credentials' );
+var tryAssign = require( './../../../../middleware/plot-try-assign' );
+var body = require( './../../../../middleware/body' );
+var ok = require( './../../../../middleware/ok' );
+var onError = require( './../../../../middleware/error' );
+var transform = require( './../../transforms.js' ).empty2undefined;
+
+
+// VARIABLES //
+
+var steps = [
+	allowCredentials,
+	body,
+	tryAssign( [ 'config', 'legends', ':legend' ], 'titleAlign', transform ),
+	ok
+];
+
+
+// MAIN //
+
+/**
+* Request handler for updating a plot configuration.
+*
+* @private
+* @name handler
+* @type {Function}
+* @param {Object} request - request object
+* @param {Object} response - response object
+*/
+var handler = middleware( steps, onError );
+
+
+// EXPORTS //
+
+module.exports = handler;

lib/node_modules/@stdlib/plot/base/view/lib/browser/routes/config/legends/title-align/schema.json

@@ -0,0 +1,40 @@
+{
+  "method": "POST",
+  "url": "/config/legends/:legend/titleAlign",
+  "schema": {
+    "response": {
+      "200": {
+        "type": "string"
+      },
+      "400": {
+        "type": "object",
+        "properties": {
+          "statusCode": {
+            "type": "integer"
+          },
+          "error": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        }
+      },
+      "413": {
+        "type": "object",
+        "properties": {
+          "statusCode": {
+            "type": "integer"
+          },
+          "error": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  },
+  "handler": null
+}

lib/node_modules/@stdlib/plot/base/view/lib/browser/routes/config/legends/title-anchor/index.js

@@ -0,0 +1,43 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var schema = require( './schema.json' );
+var handler = require( './main.js' );
+
+
+// MAIN //
+
+/**
+* Defines a route handler for receiving updating a plot configuration.
+*
+* @private
+* @returns {Object} route declaration
+*/
+function route() {
+	schema.handler = handler;
+	return schema;
+}
+
+
+// EXPORTS //
+
+module.exports = route;

lib/node_modules/@stdlib/plot/base/view/lib/browser/routes/config/legends/title-anchor/main.js

@@ -0,0 +1,58 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var middleware = require( './../../../../middleware_sequence.js' );
+var allowCredentials = require( './../../../../middleware/allow-credentials' );
+var tryAssign = require( './../../../../middleware/plot-try-assign' );
+var body = require( './../../../../middleware/body' );
+var ok = require( './../../../../middleware/ok' );
+var onError = require( './../../../../middleware/error' );
+var transform = require( './../../transforms.js' ).empty2undefined;
+
+
+// VARIABLES //
+
+var steps = [
+	allowCredentials,
+	body,
+	tryAssign( [ 'config', 'legends', ':legend' ], 'titleAnchor', transform ),
+	ok
+];
+
+
+// MAIN //
+
+/**
+* Request handler for updating a plot configuration.
+*
+* @private
+* @name handler
+* @type {Function}
+* @param {Object} request - request object
+* @param {Object} response - response object
+*/
+var handler = middleware( steps, onError );
+
+
+// EXPORTS //
+
+module.exports = handler;

lib/node_modules/@stdlib/plot/base/view/lib/browser/routes/config/legends/title-anchor/schema.json

@@ -0,0 +1,40 @@
+{
+  "method": "POST",
+  "url": "/config/legends/:legend/titleAnchor",
+  "schema": {
+    "response": {
+      "200": {
+        "type": "string"
+      },
+      "400": {
+        "type": "object",
+        "properties": {
+          "statusCode": {
+            "type": "integer"
+          },
+          "error": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        }
+      },
+      "413": {
+        "type": "object",
+        "properties": {
+          "statusCode": {
+            "type": "integer"
+          },
+          "error": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  },
+  "handler": null
+}