Update svg-sprite to v3.0.0-rc2 and drop Node.js < 18 support

Also, switch to 2-space indentation like upstream

Author: XhmikosR

.editorconfig

@@ -5,7 +5,7 @@ root = true
 [*]
 charset = utf-8
 end_of_line = lf
-indent_size = 4
+indent_size = 2
 indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true

.github/workflows/test.yml

@@ -24,7 +24,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        node: [12, 14, 16, 18, 20]
+        node: [18, 20]
         include:
           - os: macos-latest
             node: 18

.npmrc

@@ -9,89 +9,89 @@
 'use strict';
 
 module.exports = function(grunt) {
-    // Project configuration.
-    grunt.initConfig({
-        // Before generating any new files, remove any previously-created files.
-        clean: {
-            tests: ['tmp']
-        },
+  // Project configuration.
+  grunt.initConfig({
+    // Before generating any new files, remove any previously-created files.
+    clean: {
+      tests: ['tmp']
+    },
 
-        // Configuration to be run (and then tested).
-        svg_sprite: {
-            options: {
-                log: 'info'
+    // Configuration to be run (and then tested).
+    svg_sprite: {
+      options: {
+        log: 'info'
+      },
+      orthogonal: {
+        src: ['**/*.svg'],
+        dest: 'tmp',
+        expand: true,
+        cwd: 'test/fixtures',
+        options: {
+          mode: {
+            css: {
+              layout: 'vertical',
+              sprite: '../svg/vertical.svg',
+              render: {
+                css: true,
+                scss: true,
+                less: true,
+                styl: true
+              },
+              bust: false
             },
-            orthogonal: {
-                src: ['**/*.svg'],
-                dest: 'tmp',
-                expand: true,
-                cwd: 'test/fixtures',
-                options: {
-                    mode: {
-                        css: {
-                            layout: 'vertical',
-                            sprite: '../svg/vertical.svg',
-                            render: {
-                                css: true,
-                                scss: true,
-                                less: true,
-                                styl: true
-                            },
-                            bust: false
-                        },
-                        view: {
-                            layout: 'horizontal',
-                            sprite: '../svg/horizontal.svg',
-                            bust: false
-                        },
-                        defs: {
-                            sprite: '../svg/defs.svg'
-                        },
-                        symbol: {
-                            sprite: '../svg/symbol.svg'
-                        },
-                        stack: {
-                            sprite: '../svg/stack.svg'
-                        }
-                    }
-                }
+            view: {
+              layout: 'horizontal',
+              sprite: '../svg/horizontal.svg',
+              bust: false
             },
-            others: {
-                src: ['**/*.svg'],
-                dest: 'tmp',
-                expand: true,
-                cwd: 'test/fixtures',
-                options: {
-                    shape: {
-                        dest: 'intermediate'
-                    },
-                    mode: {
-                        css: {
-                            layout: 'diagonal',
-                            sprite: '../svg/diagonal.svg',
-                            bust: false
-                        },
-                        view: {
-                            layout: 'packed',
-                            sprite: '../svg/packed.svg',
-                            bust: false
-                        }
-                    }
-                }
+            defs: {
+              sprite: '../svg/defs.svg'
+            },
+            symbol: {
+              sprite: '../svg/symbol.svg'
+            },
+            stack: {
+              sprite: '../svg/stack.svg'
+            }
+          }
+        }
+      },
+      others: {
+        src: ['**/*.svg'],
+        dest: 'tmp',
+        expand: true,
+        cwd: 'test/fixtures',
+        options: {
+          shape: {
+            dest: 'intermediate'
+          },
+          mode: {
+            css: {
+              layout: 'diagonal',
+              sprite: '../svg/diagonal.svg',
+              bust: false
+            },
+            view: {
+              layout: 'packed',
+              sprite: '../svg/packed.svg',
+              bust: false
             }
+          }
         }
-    });
+      }
+    }
+  });
 
-    // Actually load this plugin's task(s).
-    grunt.loadTasks('tasks');
+  // Actually load this plugin's task(s).
+  grunt.loadTasks('tasks');
 
-    // These plugins provide necessary tasks.
-    grunt.loadNpmTasks('grunt-contrib-clean');
+  // These plugins provide necessary tasks.
+  grunt.loadNpmTasks('grunt-contrib-clean');
 
-    // Whenever the "test" task is run, first clean the "tmp" dir,
-    // then run this plugin's tasks.
-    grunt.registerTask('test', ['clean', 'svg_sprite']);
+  // Whenever the "test" task is run, first clean the "tmp" dir,
+  // then run this plugin's tasks.
+  grunt.registerTask('test', ['clean', 'svg_sprite']);
 
-    // By default, lint and run all tests.
-    grunt.registerTask('default', 'test');
+  // By default, lint and run all tests.
+  grunt.registerTask('default', 'test');
 };