Progress

package.json

@@ -4,7 +4,8 @@
   "description": "Generates editor/terminal themes using a set of colors",
   "main": "dist/index.js",
   "scripts": {
-    "build": "typings install && tsc"
+    "build": "typings install && tsc",
+    "start": "node dist/index.js"
   },
   "author": "Tyriar",
   "license": "MIT",

src/index.ts

@@ -2,77 +2,26 @@
 
 import * as fs from 'fs';
 import * as path from 'path';
-
-console.log('test');
-
-interface IColorSet {
-    ansiGroups?: {
-        ansiNormal?: IAnsiColorSet;
-        ansiBright?: IAnsiColorSet;
-    }
-    syntaxGroups?: {
-        constant?: string;
-        identifier?: string;
-        statement?: string;
-        type?: string;
-        global?: string;
-        emphasis?: string;
-        special?: string;
-        trivial?: string;
-    }
-    uiGroups?: {
-        userActionNeeded?: string;
-        userCurrentState?: string;
-        backgroundState?: string;
-        background?: string;
-        foreground?: string;
-    }
-}
-
-interface IAnsiColorSet {
-    black?: string;
-    red?: string;
-    green?: string;
-    yellow?: string;
-    blue?: string;
-    magenta?: string;
-    cyan?: string;
-    white?: string;
-}
-
-interface IThemeGenerator {
-    generateTheme(colorSet: IColorSet): string;
-}
-
-interface IVscodeJsonTheme {
-    name?: string;
-    include?: string;
-    settings?: any[];
-}
-
-class VscodeThemeGenerator implements IThemeGenerator {
-    public generateTheme(colorSet: IColorSet): string {
-        let theme: IVscodeJsonTheme = {};
-        theme.name = 'Generated theme';
-        theme.settings = [];
-        if (colorSet.syntaxGroups.identifier) {
-            theme.settings.push({
-                'name': 'Function declarations',
-                'scope': 'entity.name.function',
-                'settings': {
-                    'foreground': colorSet.syntaxGroups.identifier
-                }
-            });
-        }
-        return JSON.stringify(theme);
-    }
-}
+import { IColorSet } from './themeGenerator'
+import { VscodeThemeGenerator } from './vscodeThemeGenerator'
 
 const colorSet: IColorSet = {
-    syntaxGroups: {
-        identifier: '#F00'
-    }
-}; 
-const themeJson = new VscodeThemeGenerator().generateTheme(colorSet);
-const outputFile = path.join(__dirname, '..', 'out', 'theme.json') 
-fs.writeFileSync(outputFile, themeJson);
+  syntax: {
+    identifier: '#ffffff',
+    string: '#87d75f',
+    number: '#ffcc66',
+    keyword: '#ff8f7e',
+    functionCall: '#cae682',
+    storage: '#88b8f6',
+    comment: '#989898',
+    class: '#cae682',
+    type: '#88b8f6'
+  },
+  ui: {
+    background: '#151515'
+  }
+};
+const themeJson = new VscodeThemeGenerator().generateTheme('Generated theme 2', colorSet);
+const outputFile = path.join(__dirname, '..', 'out', 'theme.json')
+
+fs.writeFileSync(outputFile, themeJson);

src/themeGenerator.ts

@@ -0,0 +1,43 @@
+export interface IThemeGenerator {
+  generateTheme(name: string, colorSet: IColorSet): string;
+}
+
+export interface IColorSet {
+  ansi?: {
+    normal?: IAnsiColorSet;
+    bright?: IAnsiColorSet;
+  }
+  syntax?: {
+    functionCall?: string;
+    identifier?: string;
+    keyword?: string;
+    number?: string;
+    storage?: string;
+    string?: string;
+    comment?: string;
+    class?: string;
+    type?: string;
+  }
+  ui?: {
+    background?: string;
+    foreground?: string;
+  }
+  /*uiGroups?: {
+    userActionNeeded?: string;
+    userCurrentState?: string;
+    backgroundState?: string;
+    background?: string;
+    foreground?: string;
+  }*/
+}
+
+export interface IAnsiColorSet {
+  black?: string;
+  red?: string;
+  green?: string;
+  yellow?: string;
+  blue?: string;
+  magenta?: string;
+  cyan?: string;
+  white?: string;
+}

src/vscodeThemeGenerator.ts

@@ -0,0 +1,111 @@
+import { IColorSet, IThemeGenerator } from './themeGenerator'
+
+export interface IVscodeJsonTheme {
+  name?: string;
+  include?: string;
+  globalSettings?: {
+    background?: string;
+    foreground?: string;
+  };
+  settings?: any[];
+}
+
+type SourceFetcher = (colorSet: IColorSet) => string;
+type ColorGenerator = (color: string) => any;
+
+interface IRuleGenerator {
+  source: SourceFetcher;
+  generate: ColorGenerator;
+}
+
+enum FontStyle {
+  NONE = 0,
+  ITALIC = 1 << 0,
+  BOLD = 1 << 1,
+  UNDERLINE = 1 << 2
+}
+
+function getSimpleColorGenerator(name: string, scope: string, fontStyle: number = FontStyle.NONE): (color: string) => any {
+  return (color: string) => {
+    let colorRule: any = {
+      'name': name,
+      'scope': scope,
+      'settings': {
+        'foreground': color
+      }
+    };
+    let fontStyleValue = '';
+    if (fontStyle & FontStyle.ITALIC) {
+      fontStyleValue += ' italic';
+    }
+    if (fontStyle & FontStyle.BOLD) {
+      fontStyleValue += ' bold';
+    }
+    if (fontStyle & FontStyle.UNDERLINE) {
+      fontStyleValue += ' underline';
+    }
+    if (fontStyleValue.length > 0) {
+      colorRule.settings.fontStyle = fontStyleValue.trim();
+    }
+    return colorRule;
+  }
+}
+
+// An ordered list of rules to be applied if the source conditions are met
+const vscodeJsonThemeRules: IRuleGenerator[] = [
+  { source: set => set.syntax.identifier,
+    generate: getSimpleColorGenerator('Identifier', 'variable') },
+  { source: set => set.syntax.string,
+    generate: getSimpleColorGenerator('String', 'string') },
+  { source: set => set.syntax.number,
+    generate: getSimpleColorGenerator('Number', 'constant.numeric') },
+  { source: set => set.syntax.keyword,
+    generate: getSimpleColorGenerator('Keyword', 'keyword, modifier, language.this') },
+  // support/module function calls (eg. join in path.join) are colored as function calls
+  { source: set => set.syntax.functionCall,
+    generate: getSimpleColorGenerator('Function call', 'entity.name.function, support.function') },
+  { source: set => set.syntax.storage,
+    generate: getSimpleColorGenerator('Storage', 'storage.type') },
+  // TypeScript modules are colored as variables
+  { source: set => set.syntax.identifier,
+    generate: getSimpleColorGenerator('Modules', 'module.support', FontStyle.ITALIC) },
+  { source: set => set.syntax.type,
+    generate: getSimpleColorGenerator('Type', 'type') },
+  { source: set => set.syntax.comment,
+    generate: getSimpleColorGenerator('Comment', 'comment', FontStyle.ITALIC) },
+  { source: set => set.syntax.class,
+    generate: getSimpleColorGenerator('Class', 'entity.name.class', FontStyle.UNDERLINE) }
+];
+
+export class VscodeThemeGenerator implements IThemeGenerator {
+  public generateTheme(name: string, colorSet: IColorSet): string {
+    let theme: IVscodeJsonTheme = {};
+    theme.name = name;
+    theme.settings = [];
+    if (colorSet.ui.background) {
+      theme.settings.push({
+        'name': 'background',
+        'settings': {
+          'background': colorSet.ui.background
+        }
+      });
+    }
+    if (colorSet.ui.foreground) {
+      theme.settings.push({
+        'name': 'foreground',
+        'settings': {
+          'foreground': colorSet.ui.foreground
+        }
+      });
+    }
+    vscodeJsonThemeRules.forEach(ruleGenerator => {
+      try {
+        let color = ruleGenerator.source(colorSet);
+        theme.settings.push(ruleGenerator.generate(<string>color));
+      } catch (ex) {
+        // Ignore when source color does not exist
+      }
+    });
+    return JSON.stringify(theme);
+  }
+}