Feat: Import TypeScript typings

- Import typings from DefinitelyTyped into repo.
- Update typings header to cite contributors from history and git blame.
- Update package.json to add typings field.

lib/handlebars.d.ts

@@ -0,0 +1,356 @@
+/* These definitions were imported from https://github.com/DefinitelyTyped/DefinitelyTyped
+ * and includes previous contributions from the DefinitelyTyped community by:
+ *   - Albert Willemsen <https://github.com/AlbertWillemsen-Centric>
+ *   - Boris Yankov <https://github.com/borisyankov>
+ *   - Jessica Franco <https://github.com/Kovensky>
+ *   - Masahiro Wakame <https://github.com/vvakame>
+ *   - Raanan Weber <https://github.com/RaananW>
+ *   - Sergei Dorogin <https://github.com/evil-shrike>
+ *   - webbiesdk <https://github.com/webbiesdk>
+ * For full history prior to their migration to handlebars.js, please see:
+ * https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/handlebars
+ */
+
+declare namespace Handlebars {
+  export interface TemplateDelegate<T = any> {
+      (context: T, options?: RuntimeOptions): string;
+  }
+
+  export type Template<T = any> = TemplateDelegate<T>|string;
+
+  export interface RuntimeOptions {
+      partial?: boolean;
+      depths?: any[];
+      helpers?: { [name: string]: Function };
+      partials?: { [name: string]: HandlebarsTemplateDelegate };
+      decorators?: { [name: string]: Function };
+      data?: any;
+      blockParams?: any[];
+  }
+
+  export interface HelperOptions {
+      fn: TemplateDelegate;
+      inverse: TemplateDelegate;
+      hash: any;
+      data?: any;
+  }
+
+  export interface HelperDelegate {
+      (context?: any, arg1?: any, arg2?: any, arg3?: any, arg4?: any, arg5?: any, options?: HelperOptions): any;
+  }
+  export interface HelperDeclareSpec {
+      [key: string]: HelperDelegate;
+  }
+
+  export interface ParseOptions {
+      srcName?: string,
+      ignoreStandalone?: boolean
+  }
+
+  export function registerHelper(name: string, fn: HelperDelegate): void;
+  export function registerHelper(name: HelperDeclareSpec): void;
+  export function unregisterHelper(name: string): void;
+
+  export function registerPartial(name: string, fn: Template): void;
+  export function registerPartial(spec: { [name: string]: HandlebarsTemplateDelegate }): void;
+  export function unregisterPartial(name: string): void;
+
+  // TODO: replace Function with actual signature
+  export function registerDecorator(name: string, fn: Function): void;
+  export function unregisterDecorator(name: string): void;
+
+  export function K(): void;
+  export function createFrame(object: any): any;
+  export function blockParams(obj: any[], ids: any[]): any[];
+  export function Exception(message: string): void;
+  export function log(level: number, obj: any): void;
+  export function parse(input: string, options?: ParseOptions): hbs.AST.Program;
+  export function compile<T = any>(input: any, options?: CompileOptions): HandlebarsTemplateDelegate<T>;
+  export function precompile(input: any, options?: PrecompileOptions): TemplateSpecification;
+  export function template<T = any>(precompilation: TemplateSpecification): HandlebarsTemplateDelegate<T>;
+
+  export function create(): typeof Handlebars;
+
+  export const escapeExpression: typeof Utils.escapeExpression;
+  //export const Utils: typeof hbs.Utils;
+  export const logger: Logger;
+  export const templates: HandlebarsTemplates;
+  export const helpers: { [name: string]: HelperDelegate };
+  export const partials: { [name: string]: any };
+  // TODO: replace Function with actual signature
+  export const decorators: { [name: string]: Function };
+
+  export function noConflict(): typeof Handlebars;
+
+  export class SafeString {
+      constructor(str: string);
+      toString(): string;
+      toHTML(): string;
+  }
+
+  export namespace Utils {
+      export function escapeExpression(str: string): string;
+      export function createFrame(object: any): any;
+      export function blockParams(obj: any[], ids: any[]): any[];
+      export function isEmpty(obj: any) : boolean;
+      export function extend(obj: any, ...source: any[]): any;
+      export function toString(obj: any): string;
+      export function isArray(obj: any): boolean;
+      export function isFunction(obj: any): boolean;
+  }
+
+  export namespace AST {
+      export const helpers: hbs.AST.helpers;
+  }
+
+  interface ICompiler {
+      accept(node: hbs.AST.Node): void;
+      Program(program: hbs.AST.Program): void;
+      BlockStatement(block: hbs.AST.BlockStatement): void;
+      PartialStatement(partial: hbs.AST.PartialStatement): void;
+      PartialBlockStatement(partial: hbs.AST.PartialBlockStatement): void;
+      DecoratorBlock(decorator: hbs.AST.DecoratorBlock): void;
+      Decorator(decorator: hbs.AST.Decorator): void;
+      MustacheStatement(mustache: hbs.AST.MustacheStatement): void;
+      ContentStatement(content: hbs.AST.ContentStatement): void;
+      CommentStatement(comment?: hbs.AST.CommentStatement): void;
+      SubExpression(sexpr: hbs.AST.SubExpression): void;
+      PathExpression(path: hbs.AST.PathExpression): void;
+      StringLiteral(str: hbs.AST.StringLiteral): void;
+      NumberLiteral(num: hbs.AST.NumberLiteral): void;
+      BooleanLiteral(bool: hbs.AST.BooleanLiteral): void;
+      UndefinedLiteral(): void;
+      NullLiteral(): void;
+      Hash(hash: hbs.AST.Hash): void;
+  }
+
+  export class Visitor implements ICompiler {
+      accept(node: hbs.AST.Node): void;
+      acceptKey(node: hbs.AST.Node, name: string): void;
+      acceptArray(arr: hbs.AST.Expression[]): void;
+      Program(program: hbs.AST.Program): void;
+      BlockStatement(block: hbs.AST.BlockStatement): void;
+      PartialStatement(partial: hbs.AST.PartialStatement): void;
+      PartialBlockStatement(partial: hbs.AST.PartialBlockStatement): void;
+      DecoratorBlock(decorator: hbs.AST.DecoratorBlock): void;
+      Decorator(decorator: hbs.AST.Decorator): void;
+      MustacheStatement(mustache: hbs.AST.MustacheStatement): void;
+      ContentStatement(content: hbs.AST.ContentStatement): void;
+      CommentStatement(comment?: hbs.AST.CommentStatement): void;
+      SubExpression(sexpr: hbs.AST.SubExpression): void;
+      PathExpression(path: hbs.AST.PathExpression): void;
+      StringLiteral(str: hbs.AST.StringLiteral): void;
+      NumberLiteral(num: hbs.AST.NumberLiteral): void;
+      BooleanLiteral(bool: hbs.AST.BooleanLiteral): void;
+      UndefinedLiteral(): void;
+      NullLiteral(): void;
+      Hash(hash: hbs.AST.Hash): void;
+  }
+}
+
+/**
+* Implement this interface on your MVW/MVVM/MVC views such as Backbone.View
+**/
+interface HandlebarsTemplatable {
+  template: HandlebarsTemplateDelegate;
+}
+
+// NOTE: for backward compatibility of this typing
+type HandlebarsTemplateDelegate<T = any> = Handlebars.TemplateDelegate<T>;
+
+interface HandlebarsTemplates {
+  [index: string]: HandlebarsTemplateDelegate;
+}
+
+interface TemplateSpecification {
+
+}
+
+// for backward compatibility of this typing
+type RuntimeOptions = Handlebars.RuntimeOptions;
+
+interface CompileOptions {
+  data?: boolean;
+  compat?: boolean;
+  knownHelpers?: {
+      helperMissing?: boolean;
+      blockHelperMissing?: boolean;
+      each?: boolean;
+      if?: boolean;
+      unless?: boolean;
+      with?: boolean;
+      log?: boolean;
+      lookup?: boolean;
+  };
+  knownHelpersOnly?: boolean;
+  noEscape?: boolean;
+  strict?: boolean;
+  assumeObjects?: boolean;
+  preventIndent?: boolean;
+  ignoreStandalone?: boolean;
+  explicitPartialContext?: boolean;
+}
+
+interface PrecompileOptions extends CompileOptions {
+  srcName?: string;
+  destName?: string;
+}
+
+declare namespace hbs {
+  // for backward compatibility of this typing
+  type SafeString = Handlebars.SafeString;
+
+  type Utils = typeof Handlebars.Utils;
+}
+
+interface Logger {
+  DEBUG: number;
+  INFO: number;
+  WARN: number;
+  ERROR: number;
+  level: number;
+
+  methodMap: { [level: number]: string };
+
+  log(level: number, obj: string): void;
+}
+
+declare namespace hbs {
+  namespace AST {
+      interface Node {
+          type: string;
+          loc: SourceLocation;
+      }
+
+      interface SourceLocation {
+          source: string;
+          start: Position;
+          end: Position;
+      }
+
+      interface Position {
+          line: number;
+          column: number;
+      }
+
+      interface Program extends Node {
+          body: Statement[];
+          blockParams: string[];
+      }
+
+      interface Statement extends Node {}
+
+      interface MustacheStatement extends Statement {
+          path: PathExpression | Literal;
+          params: Expression[];
+          hash: Hash;
+          escaped: boolean;
+          strip: StripFlags;
+      }
+
+      interface Decorator extends MustacheStatement { }
+
+      interface BlockStatement extends Statement {
+          path: PathExpression;
+          params: Expression[];
+          hash: Hash;
+          program: Program;
+          inverse: Program;
+          openStrip: StripFlags;
+          inverseStrip: StripFlags;
+          closeStrip: StripFlags;
+      }
+
+      interface DecoratorBlock extends BlockStatement { }
+
+      interface PartialStatement extends Statement {
+          name: PathExpression | SubExpression;
+          params: Expression[];
+          hash: Hash;
+          indent: string;
+          strip: StripFlags;
+      }
+
+      interface PartialBlockStatement extends Statement {
+          name: PathExpression | SubExpression;
+          params: Expression[];
+          hash: Hash;
+          program: Program;
+          openStrip: StripFlags;
+          closeStrip: StripFlags;
+      }
+
+      interface ContentStatement extends Statement {
+          value: string;
+          original: StripFlags;
+      }
+
+      interface CommentStatement extends Statement {
+          value: string;
+          strip: StripFlags;
+      }
+
+      interface Expression extends Node {}
+
+      interface SubExpression extends Expression {
+          path: PathExpression;
+          params: Expression[];
+          hash: Hash;
+      }
+
+      interface PathExpression extends Expression {
+          data: boolean;
+          depth: number;
+          parts: string[];
+          original: string;
+      }
+
+      interface Literal extends Expression {}
+      interface StringLiteral extends Literal {
+          value: string;
+          original: string;
+      }
+
+      interface BooleanLiteral extends Literal {
+          value: boolean;
+          original: boolean;
+      }
+
+      interface NumberLiteral extends Literal {
+          value: number;
+          original: number;
+      }
+
+      interface UndefinedLiteral extends Literal {}
+
+      interface NullLiteral extends Literal {}
+
+      interface Hash extends Node {
+          pairs: HashPair[];
+      }
+
+      interface HashPair extends Node {
+          key: string;
+          value: Expression;
+      }
+
+      interface StripFlags {
+          open: boolean;
+          close: boolean;
+      }
+
+      interface helpers {
+          helperExpression(node: Node): boolean;
+          scopeId(path: PathExpression): boolean;
+          simpleId(path: PathExpression): boolean;
+      }
+  }
+}
+
+declare module "handlebars" {
+  export = Handlebars;
+}
+
+declare module "handlebars/runtime" {
+  export = Handlebars;
+}

package.json

@@ -59,6 +59,7 @@
     "webpack-dev-server": "^1.12.1"
   },
   "main": "lib/index.js",
+  "types": "lib/handlebars.d.ts",
   "bin": {
     "handlebars": "bin/handlebars"
   },