- [#1391](https://github.com/wycats/handlebars.js/issues/1391) - `uglify-js` is unconditionally imported, but only listed as optional dependency ([@Turbo87](https://github.com/Turbo87))
- [#1233](https://github.com/wycats/handlebars.js/issues/1233) - Unable to build under windows - error at test:bin task ([@blikblum](https://github.com/blikblum))
- Update (C) year in the LICENSE file - 21386b6
Compatibility notes:
- This is a bugfix release. There are no breaking change and no new features.
- [#1341](https://github.com/wycats/handlebars.js/issues/1341) [#1342](https://github.com/wycats/handlebars.js/issues/1342) Allow partial-blocks to be executed without "options" ([@nknapp](https://github.com/nknapp)) - a00c598
- [#1319](https://github.com/wycats/handlebars.js/issues/1319): Fix context-stack when calling block-helpers on null values ([@nknapp](https://github.com/nknapp)) - c8f4b57
- [#1315](https://github.com/wycats/handlebars.js/pull/1315) Parser: Change suffix to use ES6 default module export ([@Turbo87](https://github.com/Turbo87))- b617375
- [#1290](https://github.com/wycats/handlebars.js/pull/1290) [#1252](https://github.com/wycats/handlebars.js/issue/1290) Add more tests for partial-blocks and inline partials ([@nknapp](https://github.com/nknapp)) - 63a8e0c
- [#1252](https://github.com/wycats/handlebars.js/issue/1290) Using @partial-block twice in a template not possible ([@nknapp](https://github.com/nknapp)) - 5a164d0
- [#1275](https://github.com/wycats/handlebars.js/pull/1275) require('sys') is deprecated, using 'util' instead ([@travnels](https://github.com/travnels)) - 406f2ee
- [#1285](https://github.com/wycats/handlebars.js/pull/1285) [#1284](https://github.com/wycats/handlebars.js/issues/1284) Make "column"-property of Errors enumerable ([@nknapp](https://github.com/nknapp)) - a023cb4
- [#1285](https://github.com/wycats/handlebars.js/pull/1285) Testcase to verify that compile-errors have a column-property ([@nknapp](https://github.com/nknapp)) - c7dc353
- [#1243](https://github.com/wycats/handlebars.js/pull/1243) - Walk up data frames for nested @partial-block ([@lawnsea](https://github.com/lawnsea))
- [#1210](https://github.com/wycats/handlebars.js/pull/1210) - Add a new lightweight package based on handlebars in the README ([@kabirbaidhya](https://github.com/kabirbaidhya))
- [#1187](https://github.com/wycats/handlebars.js/pull/1187) - Ensure that existing blockParams and depths are respected on dupe programs ([@charleso](https://github.com/charleso))
- [#1177](https://github.com/wycats/handlebars.js/pull/1177) - Preserve License info in Closure Compiler ([@gennadiylitvinyuk](https://github.com/gennadiylitvinyuk))
- [#1121](https://github.com/wycats/handlebars.js/pull/1121) - Include partial name in 'undefined partial' exception message ([@shinypb](https://github.com/shinypb))
- [#1125](https://github.com/wycats/handlebars.js/pull/1125) - Add promised-handlebars to "in-the-wild"-list ([@nknapp](https://github.com/nknapp))
-`each` iteration with `undefined` values has been restored to the 3.0 behaviors. Helper calls with undefined context values will now execute against an arbitrary empty object to avoid executing against global object in non-strict mode.
-`]` can now be included in `[]` wrapped identifiers by escaping with `\`. Any `[]` identifiers that include `\` will now have to properly escape these values.
- [#1089](https://github.com/wycats/handlebars.js/issues/1089) - "Failover content" not working in multiple levels of inline partials ([@michaellopez](https://github.com/michaellopez))
- [#1087](https://github.com/wycats/handlebars.js/pull/1087) - Fix #each when last object entry has empty key ([@denniskuczynski](https://github.com/denniskuczynski))
- [#1084](https://github.com/wycats/handlebars.js/pull/1084) - Bump uglify version to fix vulnerability ([@John-Steidley](https://github.com/John-Steidley))
- [#1060](https://github.com/wycats/handlebars.js/pull/1060) - #1056 Fixed grammar for nested raw blocks ([@ericbn](https://github.com/ericbn))
- [#1052](https://github.com/wycats/handlebars.js/pull/1052) - Updated year in License ([@maqnouch](https://github.com/maqnouch))
- [#1037](https://github.com/wycats/handlebars.js/pull/1037) - Fix minor typos in README ([@tomxtobin](https://github.com/tomxtobin))
- [#1032](https://github.com/wycats/handlebars.js/issues/1032) - Is it possible to render a partial without the parent scope? ([@aputinski](https://github.com/aputinski))
- [#1019](https://github.com/wycats/handlebars.js/pull/1019) - Fixes typo in tests ([@aymerick](https://github.com/aymerick))
- [#1016](https://github.com/wycats/handlebars.js/issues/1016) - Version mis-match ([@mayankdedhia](https://github.com/mayankdedhia))
- Pass undefined fields to helpers in strict mode - [5d4b8da](https://github.com/wycats/handlebars.js/commit/5d4b8da)
- Avoid depth creation when context remains the same - [279e038](https://github.com/wycats/handlebars.js/commit/279e038)
- Improve logging API - [9a49d35](https://github.com/wycats/handlebars.js/commit/9a49d35)
- Fix with operator in no @data mode - [231a8d7](https://github.com/wycats/handlebars.js/commit/231a8d7)
- Allow empty key name in each iteration - [1bb640b](https://github.com/wycats/handlebars.js/commit/1bb640b)
- Add with block parameter support - [2a85106](https://github.com/wycats/handlebars.js/commit/2a85106)
- Fix escaping of non-javascript identifiers - [410141c](https://github.com/wycats/handlebars.js/commit/410141c)
- Fix location information for programs - [93faffa](https://github.com/wycats/handlebars.js/commit/93faffa)
Compatibility notes:
- Depthed paths are now conditionally pushed on to the stack. If the helper uses the same context, then a new stack is not created. This leads to behavior that better matches expectations for helpers like `if` that do not seem to alter the context. Any instances of `../` in templates will need to be checked for the correct behavior under 4.0.0. In general templates will either reduce the number of `../` instances or leave them as is. See [#1028](https://github.com/wycats/handlebars.js/issues/1028).
- The `=` character is now HTML escaped. This closes a potential exploit case when using unquoted attributes, i.e. `<div foo={{bar}}>`. In general it's recommended that attributes always be quoted when their values are generated from a mustache to avoid any potential exploit surfaces.
- AST constructors have been dropped in favor of plain old javascript objects
- The runtime version has been increased. Precompiled templates will need to use runtime of at least 4.0.0.
- [#1004](https://github.com/wycats/handlebars.js/issues/1004) - Latest version breaks with RequireJS (global is undefined) ([@boskee](https://github.com/boskee))
- [#984](https://github.com/wycats/handlebars.js/pull/984) - Adding documentation for passing arguments into partials ([@johneke](https://github.com/johneke))
- [#973](https://github.com/wycats/handlebars.js/issues/973) - version 3 is slower than version 2 ([@elover](https://github.com/elover))
- [#966](https://github.com/wycats/handlebars.js/issues/966) - "handlebars --version" does not work with v3.0.0 ([@abloomston](https://github.com/abloomston))
- [#964](https://github.com/wycats/handlebars.js/pull/964) - default is a reserved word ([@grassick](https://github.com/grassick))
- [#962](https://github.com/wycats/handlebars.js/pull/962) - Add dashbars' link on README. ([@pismute](https://github.com/pismute))
- [#941](https://github.com/wycats/handlebars.js/pull/941) - Add support for dynamic partial names ([@kpdecker](https://github.com/kpdecker))
- [#940](https://github.com/wycats/handlebars.js/pull/940) - Add missing reserved words so compiler knows to use array syntax: ([@mattflaschen](https://github.com/mattflaschen))
- [#938](https://github.com/wycats/handlebars.js/pull/938) - Fix example using #with helper ([@diwo](https://github.com/diwo))
- [#930](https://github.com/wycats/handlebars.js/pull/930) - Add parent tracking and mutation to AST visitors ([@kpdecker](https://github.com/kpdecker))
- [#926](https://github.com/wycats/handlebars.js/issues/926) - Depthed lookups fail when program duplicator runs ([@kpdecker](https://github.com/kpdecker))
- [#918](https://github.com/wycats/handlebars.js/pull/918) - Add instructions for 'spec/mustache' to CONTRIBUTING.md, fix a few typos ([@oneeman](https://github.com/oneeman))
- [#910](https://github.com/wycats/handlebars.js/issues/910) - Different behavior of {{@last}} when {{#each}} in {{#each}} ([@zordius](https://github.com/zordius))
- [#907](https://github.com/wycats/handlebars.js/issues/907) - Implement named helper variable references ([@kpdecker](https://github.com/kpdecker))
- [#906](https://github.com/wycats/handlebars.js/pull/906) - Add parser support for block params ([@mmun](https://github.com/mmun))
- [#903](https://github.com/wycats/handlebars.js/issues/903) - Only provide aliases for multiple use calls ([@kpdecker](https://github.com/kpdecker))
- [#901](https://github.com/wycats/handlebars.js/issues/901) - Still escapes with noEscape enabled on isolated Handlebars environment ([@zedknight](https://github.com/zedknight))
- [#896](https://github.com/wycats/handlebars.js/pull/896) - Simplify BlockNode by removing intermediate MustacheNode ([@mmun](https://github.com/mmun))
- [#892](https://github.com/wycats/handlebars.js/pull/892) - Implement parser for else chaining of helpers ([@kpdecker](https://github.com/kpdecker))
- [#889](https://github.com/wycats/handlebars.js/issues/889) - Consider extensible parser API ([@kpdecker](https://github.com/kpdecker))
- [#866](https://github.com/wycats/handlebars.js/issues/866) - comments don't respect whitespace control ([@75lb](https://github.com/75lb))
- [#863](https://github.com/wycats/handlebars.js/pull/863) - + jsDelivr CDN info ([@tomByrer](https://github.com/tomByrer))
- [#858](https://github.com/wycats/handlebars.js/issues/858) - Disable new default auto-indent at included partials ([@majodev](https://github.com/majodev))
- Export the default object for handlebars/runtime - 5594416
- Lookup partials when undefined - 617dd57
Compatibility notes:
- Runtime breaking changes. Must match 3.x runtime and precompiler.
- The AST has been upgraded to a public API.
- There are a number of changes to this, but the format is now documented in docs/compiler-api.md
- The Visitor API has been expanded to support mutation and provide a base implementation
- The `JavaScriptCompiler` APIs have been formalized and documented. As part of the sourcemap handling these should be updated to return arrays for concatenation.
-`JavaScriptCompiler.namespace` has been removed as it was unused.
-`SafeString` is now duck typed on `toHTML`
New Features:
- noConflict
- Source Maps
- Block Params
- Strict Mode
-@last and other each changes
- Chained else blocks
-@data methods can now have helper parameters passed to them
- [#731](https://github.com/wycats/handlebars.js/pull/731) - Strange behavior for {{#foo}} {{bar}} {{/foo}} when foo is 0 ([@kpdecker](https://github.com/kpdecker))
- [#820](https://github.com/wycats/handlebars.js/issues/820) - strange behavior for {{foo.bar}} when foo is 0 or null or false ([@zordius](https://github.com/zordius))
- [#837](https://github.com/wycats/handlebars.js/issues/837) - Strange input for custom helper ( foo.bar == false when foo is undefined ) ([@zordius](https://github.com/zordius))
- [#819](https://github.com/wycats/handlebars.js/pull/819) - Implement recursive field lookup ([@kpdecker](https://github.com/kpdecker))
- [#764](https://github.com/wycats/handlebars.js/issues/764) - This reference not working for helpers ([@kpdecker](https://github.com/kpdecker))
- [#773](https://github.com/wycats/handlebars.js/issues/773) - Implicit parameters in {{#each}} introduces a peculiarity in helpers calling convention ([@Bertrand](https://github.com/Bertrand))
- [#783](https://github.com/wycats/handlebars.js/issues/783) - helperMissing and consistency for different expression types ([@ErisDS](https://github.com/ErisDS))
- [#795](https://github.com/wycats/handlebars.js/pull/795) - Turn the precompile script into a wrapper around a module. ([@jwietelmann](https://github.com/jwietelmann))
- [#823](https://github.com/wycats/handlebars.js/pull/823) - Support inverse sections on the with helper ([@dan-manges](https://github.com/dan-manges))
- [#834](https://github.com/wycats/handlebars.js/pull/834) - Refactor blocks, programs and inverses ([@mmun](https://github.com/mmun))
- [#852](https://github.com/wycats/handlebars.js/issues/852) - {{foo~}} space control behavior is different from older version ([@zordius](https://github.com/zordius))
- [#835](https://github.com/wycats/handlebars.js/issues/835) - Templates overwritten if file is loaded twice
- Expose escapeExpression on the root object - 980c38c
- Remove nested function eval in blockHelperMissing - 6f22ec1
- Fix compiler program de-duping - 9e3f824
Compatibility notes:
- The default build now outputs a generic UMD wrapper. This should be transparent change but may cause issues in some environments.
- Runtime compatibility breaks in both directions. Ensure that both compiler and client are upgraded to 2.0.0-beta.1 or higher at the same time.
-`programWithDepth` has been removed an instead an array of context values is passed to fields needing depth lookups.
-`false` values are now printed to output rather than silently dropped
- Lines containing only block statements and whitespace are now removed. This matches the Mustache spec but may cause issues with code that expects whitespace to exist but would not otherwise.
- Partials that are standalone will now indent their rendered content
-`AST.ProgramNode`'s signature has changed.
- Numerious methods/features removed from psuedo-API classes
-`JavaScriptCompiler.register`
-`JavaScriptCompiler.replaceStack` no longer supports non-inline replace
-`Compiler.disassemble`
-`DECLARE` opcode
-`strip` opcode
-`lookup` opcode
- Content nodes may have their `string` values mutated over time. `original` field provides the unmodified value.
- [#797](https://github.com/wycats/handlebars.js/pull/797) - Pass full helper ID to helperMissing when options are provided ([@tomdale](https://github.com/tomdale))
- [#793](https://github.com/wycats/handlebars.js/pull/793) - Ensure isHelper is coerced to a boolean ([@mmun](https://github.com/mmun))
- [#756](https://github.com/wycats/handlebars.js/pull/756) - fix bug in IE<=8 (no Array::map), closes #751 ([@jenseng](https://github.com/jenseng))
- [#749](https://github.com/wycats/handlebars.js/pull/749) - properly handle multiple subexpressions in the same hash, fixes #748 ([@jenseng](https://github.com/jenseng))
- Make JSON a requirement for the compiler. - 058c0fb
- Temporarily kill the AWS publish CI step - 8347ee2
Compatibility notes:
- A JSON polyfill is required to run the compiler under IE8 and below. It's recommended that the precompiler be used in lieu of running the compiler on these legacy environments.
- [#182](https://github.com/wycats/handlebars.js/pull/182) - Allow passing hash parameters to partials ([@kpdecker](https://github.com/kpdecker))
- [#392](https://github.com/wycats/handlebars.js/pull/392) - Access to root context in partials and helpers ([@kpdecker](https://github.com/kpdecker))
- [#472](https://github.com/wycats/handlebars.js/issues/472) - Helpers cannot have decimal parameters ([@kayleg](https://github.com/kayleg))
- [#569](https://github.com/wycats/handlebars.js/pull/569) - Unable to lookup array values using @index ([@kpdecker](https://github.com/kpdecker))
- [#491](https://github.com/wycats/handlebars.js/pull/491) - For nested helpers: get the @ variables of the outer helper from the inner one ([@kpdecker](https://github.com/kpdecker))
- [#669](https://github.com/wycats/handlebars.js/issues/669) - Ability to unregister a helper ([@dbachrach](https://github.com/dbachrach))
- [#730](https://github.com/wycats/handlebars.js/pull/730) - Raw block helpers ([@kpdecker](https://github.com/kpdecker))
- [#634](https://github.com/wycats/handlebars.js/pull/634) - It would be great to have the helper name passed to `blockHelperMissing` ([@kpdecker](https://github.com/kpdecker))
- [#729](https://github.com/wycats/handlebars.js/pull/729) - Convert template spec to object literal ([@kpdecker](https://github.com/kpdecker))
- [#658](https://github.com/wycats/handlebars.js/issues/658) - Depthed helpers do not work after an upgrade from 1.0.0 ([@xibxor](https://github.com/xibxor))
- [#671](https://github.com/wycats/handlebars.js/issues/671) - Crashes on no-parameter {{#each}} ([@stepancheg](https://github.com/stepancheg))
- [#698](https://github.com/wycats/handlebars.js/pull/698) - Fix parser generation under windows ([@osiris43](https://github.com/osiris43))
- [#699](https://github.com/wycats/handlebars.js/issues/699) - @DATA not compiles to invalid JS in stringParams mode ([@kpdecker](https://github.com/kpdecker))
- [#705](https://github.com/wycats/handlebars.js/issues/705) - 1.3.0 can not be wrapped in an IIFE ([@craigteegarden](https://github.com/craigteegarden))
- [#706](https://github.com/wycats/handlebars.js/pull/706) - README: Use with helper instead of relying on blockHelperMissing ([@scottgonzalez](https://github.com/scottgonzalez))
- [#690](https://github.com/wycats/handlebars.js/pull/690) - Added support for subexpressions ([@machty](https://github.com/machty))
- [#696](https://github.com/wycats/handlebars.js/pull/696) - Fix for reserved keyword "default" ([@nateirwin](https://github.com/nateirwin))
- [#692](https://github.com/wycats/handlebars.js/pull/692) - add line numbers to nodes when parsing ([@fivetanley](https://github.com/fivetanley))
- [#695](https://github.com/wycats/handlebars.js/pull/695) - Pull options out from param setup to allow easier extension ([@blakeembrey](https://github.com/blakeembrey))
- [#694](https://github.com/wycats/handlebars.js/pull/694) - Make the environment reusable ([@blakeembrey](https://github.com/blakeembrey))
- [#636](https://github.com/wycats/handlebars.js/issues/636) - Print line and column of errors ([@sgronblo](https://github.com/sgronblo))
- [#684](https://github.com/wycats/handlebars.js/pull/684) - Allow any number of trailing characters for valid JavaScript variable ([@blakeembrey](https://github.com/blakeembrey))
- [#686](https://github.com/wycats/handlebars.js/pull/686) - Falsy AMD module names in version 1.2.0 ([@kpdecker](https://github.com/kpdecker))
- [#656](https://github.com/wycats/handlebars.js/issues/656) - Expose COMPILER_REVISION checks as a hook ([@machty](https://github.com/machty))
- [#668](https://github.com/wycats/handlebars.js/issues/668) - Consider publishing handlebars-runtime as a separate module on npm ([@dlmanning](https://github.com/dlmanning))
- [#679](https://github.com/wycats/handlebars.js/issues/679) - Unable to override invokePartial ([@mattbrailsford](https://github.com/mattbrailsford))
- [#646](https://github.com/wycats/handlebars.js/pull/646) - Fix "\\{{" immediately following "\{{" ([@dmarcotte](https://github.com/dmarcotte))
- [#628](https://github.com/wycats/handlebars.js/pull/628) - Convert code to ES6 modules ([@kpdecker](https://github.com/kpdecker))
- [#336](https://github.com/wycats/handlebars.js/pull/336) - Add whitespace control syntax ([@kpdecker](https://github.com/kpdecker))
- [#535](https://github.com/wycats/handlebars.js/pull/535) - Fix for probable JIT error under Safari ([@sorentwo](https://github.com/sorentwo))
- [#483](https://github.com/wycats/handlebars.js/issues/483) - Add first and last @ vars to each helper ([@denniskuczynski](https://github.com/denniskuczynski))
- [#557](https://github.com/wycats/handlebars.js/pull/557) - `\\{{foo}}` escaping only works in some situations ([@dmarcotte](https://github.com/dmarcotte))
- The project now includes separate artifacts for AMD, CommonJS, and global objects.
- AMD: Users may load the bundled `handlebars.amd.js` or `handlebars.runtime.amd.js` files or load individual modules directly. AMD users should also note that the handlebars object is exposed via the `default` field on the imported object. This [gist](https://gist.github.com/wycats/7417be0dc361a69d5916) provides some discussion of possible compatibility shims.
- CommonJS/Node: Node loading occurs as normal via `require`
- Globals: The `handlebars.js` and `handlebars.runtime.js` files should behave in the same manner as the v1.0.12 / 1.0.0 release.
- Build artifacts have been removed from the repository. [npm][npm], [components/handlebars.js][components], [cdnjs][cdnjs], or the [builds page][builds-page] should now be used as the source of built artifacts.
- Context-stored helpers are now always passed the `options` hash. Previously no-argument helpers did not have this argument.
- [#515](https://github.com/wycats/handlebars.js/issues/515) - Add node require extensions support ([@jjclark1982](https://github.com/jjclark1982))
- [#517](https://github.com/wycats/handlebars.js/issues/517) - Fix amd precompiler output with directories ([@blessenm](https://github.com/blessenm))
- [#433](https://github.com/wycats/handlebars.js/issues/433) - Add support for unicode ids
- [#469](https://github.com/wycats/handlebars.js/issues/469) - Add support for `?` in ids
- [#534](https://github.com/wycats/handlebars.js/issues/534) - Protect from object prototype modifications
- [#519](https://github.com/wycats/handlebars.js/issues/519) - Fix partials with . name ([@jamesgorrie](https://github.com/jamesgorrie))
- [#519](https://github.com/wycats/handlebars.js/issues/519) - Allow ID or strings in partial names
- [#437](https://github.com/wycats/handlebars.js/issues/437) - Require matching brace counts in escaped expressions
- Merge passed partials and helpers with global namespace values
- Add support for complex ids in @data references
- Docs updates
Compatibility notes:
- The parser is now stricter on `{{{`, requiring that the end token be `}}}`. Templates that do not
follow this convention should add the additional brace value.
- Code that relies on global the namespace being muted when custom helpers or partials are passed will need to explicitly pass an `undefined` value for any helpers that should not be available.
- The compiler version has changed. Precompiled templates with 1.0.12 or higher must use the 1.0.0 or higher runtime.
