Drop bootstrap3-based themes.

.eslintrc.jsdoc.js

@@ -49,7 +49,6 @@ module.exports = {
     "themes/bootstrap5/js/config.js",
     "themes/bootstrap5/js/channels.js",
     "themes/bootstrap5/js/truncate.js",
-    "themes/bootstrap3/**"
   ],
   extends: [],
   env: {

Gruntfile.js

@@ -17,7 +17,7 @@ module.exports = function(grunt) {
     var parts = file.split('/');
     parts.pop(); // eliminate filename
 
-    // initialize search path with directory containing the LESS or SCSS file
+    // initialize search path with directory containing the SCSS file
     var retVal = [];
     retVal.push(parts.join('/'));
     retVal.push(parts.join('/') + '/vendor/');
@@ -55,36 +55,8 @@ module.exports = function(grunt) {
     return retVal;
   }
 
-  var fontAwesomePath = '"../../bootstrap3/css/fonts"';
-  var lessFileSettings = [{
-    expand: true,
-    src: "themes/*/less/compiled.less",
-    rename: function (dest, src) {
-      return src.replace('/less/', '/css/').replace('.less', '.css');
-    }
-  }];
-
   const gruntConfig = {
-    // LESS compilation
-    less: {
-      compile: {
-        files: lessFileSettings,
-        options: {
-          paths: getLoadPaths,
-          compress: true,
-          modifyVars: {
-            'fa-font-path': fontAwesomePath
-          }
-        }
-      }
-    },
-    // Less with maps
-    lessdev: {
-      less: {
-      }
-    },
     // SASS compilation
-    // 'scss' is also mapped to 'scssonly' below
     'scss': {
       'dart-sass': {
         options: {
@@ -101,145 +73,23 @@ module.exports = function(grunt) {
       }
     },
 
-    // Convert LESS to SASS, mostly for development team use
-    lessToSass: {
-      convert: {
-        files: [
-          {
-            expand: true,
-            cwd: 'themes/bootstrap3/less',
-            src: ['*.less', 'components/**/*.less', 'mixins/**/*.less'],
-            ext: '.scss',
-            dest: 'themes/bootstrap3/scss'
-          },
-          {
-            expand: true,
-            cwd: 'themes/bootprint3/less',
-            src: ['*.less'],
-            ext: '.scss',
-            dest: 'themes/bootprint3/scss'
-          },
-          {
-            expand: true,
-            cwd: 'themes/sandal/less',
-            src: ['*.less'],
-            ext: '.scss',
-            dest: 'themes/sandal/scss'
-          }
-        ],
-        options: {
-          replacements: [
-            // Activate SCSS
-            {
-              pattern: /\/\* #SCSS>/gi,
-              replacement: "/* #SCSS> */",
-              order: -1 // Do before anything else
-            },
-            {
-              pattern: /<#SCSS \*\//gi,
-              replacement: "/* <#SCSS */",
-              order: -1
-            },
-            // Deactivate LESS
-            {
-              pattern: /\/\* #LESS> \*\//gi,
-              replacement: "/* #LESS>",
-              order: -1
-            },
-            {
-              pattern: /\/\* <#LESS \*\//gi,
-              replacement: "<#LESS */",
-              order: -1
-            },
-            { // Change separator in @include statements
-              pattern: /@include ([^\(]+)\(([^\)]+)\);/gi,
-              replacement: function mixinCommas(match, $1, $2) {
-                return '@include ' + $1 + '(' + $2.replace(/;/g, ',') + ');';
-              },
-              order: 4 // after defaults included in less-to-sass
-            },
-            { // Remove unquote
-              pattern: /unquote\("([^"]+)"\)/gi,
-              replacement: function ununquote(match, $1) {
-                return $1;
-              },
-              order: 4
-            },
-            { // Inline &:extends converted
-              pattern: /&:extend\(([^\)]+?)( all)?\)/gi,
-              replacement: '@extend $1',
-              order: 4
-            },
-            { // Wrap variables in calcs with #{}
-              pattern: /calc\([^;]+/gi,
-              replacement: function calcVariables(match) {
-                return match.replace(/(\$[\w\-]+)/gi, '#{$1}');
-              },
-              order: 4
-            },
-            { // Wrap variables set to css variables with #{}
-              pattern: /(--[\w-:]+:\s*)((\$|darken\(|lighten\()[^;]+)/gi,
-              replacement: '$1#{$2}',
-              order: 5
-            },
-            { // Remove !default from extends (icons.scss)
-              pattern: /@extend ([^;}]+) !default;/gi,
-              replacement: '@extend $1;',
-              order: 6
-            }
-          ]
-        }
-      }
-    },
-
     watch: {
       options: {
         atBegin: true
       },
-      less: {
-        files: 'themes/*/less/**/*.less',
-        tasks: ['less']
-      },
-      lessdev: {
-        files: 'themes/*/less/**/*.less',
-        tasks: ['lessdev']
-      },
       scss: {
         files: 'themes/*/scss/**/*.scss',
         tasks: ['scss']
       }
     }
   };
-  // scssonly compiles scss files for themes that don't use less
-  gruntConfig.scssonly = gruntConfig.scss;
 
   grunt.initConfig(gruntConfig);
 
-  grunt.registerMultiTask('lessdev', function lessWithMaps() {
-    grunt.config.set('less', {
-      dev: {
-        files: lessFileSettings,
-        options: {
-          paths: getLoadPaths,
-          sourceMap: true,
-          sourceMapFileInline: true,
-          modifyVars: {
-            'fa-font-path': fontAwesomePath
-          }
-        }
-      }
-    });
-    grunt.task.run('less');
-  });
-
   grunt.registerMultiTask('scss', function sassScan() {
     grunt.config.set('dart-sass', getSassConfig(this.data.options, false));
     grunt.task.run('dart-sass');
   });
-  grunt.registerMultiTask('scssonly', function sassScan() {
-    grunt.config.set('dart-sass', getSassConfig(this.data.options, false, false));
-    grunt.task.run('dart-sass');
-  });
 
   grunt.registerMultiTask('check:scss', function sassCheck() {
     grunt.config.set('dart-sass', getSassConfig(this.data.options, true, true));
@@ -249,23 +99,17 @@ module.exports = function(grunt) {
   grunt.registerTask('default', function help() {
     grunt.log.writeln(`\nHello! Here are your grunt command options:
 
-    - grunt less        = compile and compress all themes' LESS files to css.
     - grunt scss        = compile and map all themes' SASS files to css.
-    - grunt lessdev     = compile and map all themes' LESS files to css.
     - grunt check:scss  = check all themes' SASS files.
     - grunt watch:[cmd] = continuous monitor source files and run command when changes are detected.
-    - grunt watch:less
-    - grunt watch:scss
-    - grunt watch:lessdev
-    - grunt lessToSass  = transpile all LESS files to SASS.`);
+    - grunt watch:scss`);
   });
 
-  function getSassConfig(additionalOptions, checkOnly, themesWithLess = null) {
+  function getSassConfig(additionalOptions, checkOnly) {
     var sassConfig = {},
       path = require('path'),
       themeList = fs.readdirSync(path.resolve('themes')).filter(function (theme) {
-        return fs.existsSync(path.resolve('themes/' + theme + '/scss/compiled.scss'))
-          && (null === themesWithLess || themesWithLess === fs.existsSync(path.resolve('themes/' + theme + '/less/compiled.less')));
+        return fs.existsSync(path.resolve('themes/' + theme + '/scss/compiled.scss'));
       });
 
     for (var i in themeList) {