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diff --git a/node_modules/babylon/CHANGELOG.md b/node_modules/babylon/CHANGELOG.md new file mode 100644 index 000000000..a14186d21 --- /dev/null +++ b/node_modules/babylon/CHANGELOG.md @@ -0,0 +1,401 @@ +# Changelog + +> **Tags:** +> - [Breaking Change] +> - [Spec Compliancy] +> - [New Feature] +> - [Bug Fix] +> - [Documentation] +> - [Internal] +> - [Polish] + +> Semver Policy: https://github.com/babel/babylon#semver + +_Note: Gaps between patch versions are faulty, broken or test releases._ + +See the [Babel Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md) for the pre-6.8.0 version Changelog. + +## v6.11.3 (2016-10-01) + +### :eyeglasses: Spec Compliancy + +Add static errors for object rest (#149) ([@danez](https://github.com/danez)) + +> https://github.com/sebmarkbage/ecmascript-rest-spread + +Object rest copies the *rest* of properties from the right hand side `obj` starting from the left to right. + +```js +let { x, y, ...z } = { x: 1, y: 2, z: 3 }; +// x = 1 +// y = 2 +// z = { z: 3 } +``` + +#### New Syntax Errors: + +**SyntaxError**: The rest element has to be the last element when destructuring (1:10) +```bash +> 1 | let { ...x, y, z } = { x: 1, y: 2, z: 3}; + | ^ +# Previous behavior: +# x = { x: 1, y: 2, z: 3 } +# y = 2 +# z = 3 +``` + +Before, this was just a more verbose way of shallow copying `obj` since it doesn't actually do what you think. + +**SyntaxError**: Cannot have multiple rest elements when destructuring (1:13) + +```bash +> 1 | let { x, ...y, ...z } = { x: 1, y: 2, z: 3}; + | ^ +# Previous behavior: +# x = 1 +# y = { y: 2, z: 3 } +# z = { y: 2, z: 3 } +``` + +Before y and z would just be the same value anyway so there is no reason to need to have both. + +**SyntaxError**: A trailing comma is not permitted after the rest element (1:16) + +```js +let { x, y, ...z, } = obj; +``` + +The rationale for this is that the use case for trailing comma is that you can add something at the end without affecting the line above. Since a RestProperty always has to be the last property it doesn't make sense. + +--- + +get / set are valid property names in default assignment (#142) ([@jezell](https://github.com/jezell)) + +```js +// valid +function something({ set = null, get = null }) {} +``` + +## v6.11.2 (2016-09-23) + +### Bug Fix + +- [#139](https://github.com/babel/babylon/issues/139) Don't do the duplicate check if not an identifier (#140) @hzoo + +```js +// regression with duplicate export check +SyntaxError: ./typography.js: `undefined` has already been exported. Exported identifiers must be unique. (22:13) + 20 | + 21 | export const { rhythm } = typography; +> 22 | export const { TypographyStyle } = typography +``` + +Bail out for now, and make a change to account for destructuring in the next release. + +## 6.11.1 (2016-09-22) + +### Bug Fix +- [#137](https://github.com/babel/babylon/pull/137) - Fix a regression with duplicate exports - it was erroring on all keys in `Object.prototype`. @danez + +```javascript +export toString from './toString'; +``` + +```bash +`toString` has already been exported. Exported identifiers must be unique. (1:7) +> 1 | export toString from './toString'; + | ^ + 2 | +``` + +## 6.11.0 (2016-09-22) + +### Spec Compliancy (will break CI) + +- Disallow duplicate named exports ([#107](https://github.com/babel/babylon/pull/107)) @kaicataldo + +```js +// Only one default export allowed per module. (2:9) +export default function() {}; +export { foo as default }; + +// Only one default export allowed per module. (2:0) +export default {}; +export default function() {}; + +// `Foo` has already been exported. Exported identifiers must be unique. (2:0) +export { Foo }; +export class Foo {}; +``` + +### New Feature (Syntax) + +- Add support for computed class property names ([#121](https://github.com/babel/babylon/pull/121)) @motiz88 + +```js +// AST +interface ClassProperty <: Node { + type: "ClassProperty"; + key: Identifier; + value: Expression; + computed: boolean; // added +} +``` + +```js +// with "plugins": ["classProperties"] +class Foo { + [x] + ['y'] +} + +class Bar { + [p] + [m] () {} +} + ``` + +### Bug Fix + +- Fix `static` property falling through in the declare class Flow AST ([#135](https://github.com/babel/babylon/pull/135)) @danharper + +```js +declare class X { + a: number; + static b: number; // static + c: number; // this was being marked as static in the AST as well +} +``` + +### Polish + +- Rephrase "assigning/binding to rvalue" errors to include context ([#119](https://github.com/babel/babylon/pull/119)) @motiz88 + +```js +// Used to error with: +// SyntaxError: Assigning to rvalue (1:0) + +// Now: +// Invalid left-hand side in assignment expression (1:0) +3 = 4 + +// Invalid left-hand side in for-in statement (1:5) +for (+i in {}); +``` + +### Internal + +- Fix call to `this.parseMaybeAssign` with correct arguments ([#133](https://github.com/babel/babylon/pull/133)) @danez +- Add semver note to changelog ([#131](https://github.com/babel/babylon/pull/131)) @hzoo + +## 6.10.0 (2016-09-19) + +> We plan to include some spec compliancy bugs in patch versions. An example was the multiple default exports issue. + +### Spec Compliancy + +* Implement ES2016 check for simple parameter list in strict mode ([#106](https://github.com/babel/babylon/pull/106)) (Timothy Gu) + +> It is a Syntax Error if ContainsUseStrict of FunctionBody is true and IsSimpleParameterList of FormalParameters is false. https://tc39.github.io/ecma262/2016/#sec-function-definitions-static-semantics-early-errors + +More Context: [tc39-notes](https://github.com/rwaldron/tc39-notes/blob/master/es7/2015-07/july-29.md#611-the-scope-of-use-strict-with-respect-to-destructuring-in-parameter-lists) + +For example: + +```js +// this errors because it uses destructuring and default parameters +// in a function with a "use strict" directive +function a([ option1, option2 ] = []) { + "use strict"; +} + ``` + +The solution would be to use a top level "use strict" or to remove the destructuring or default parameters when using a function + "use strict" or to. + +### New Feature + +* Exact object type annotations for Flow plugin ([#104](https://github.com/babel/babylon/pull/104)) (Basil Hosmer) + +Added to flow in https://github.com/facebook/flow/commit/c710c40aa2a115435098d6c0dfeaadb023cd39b8 + +Looks like: + +```js +var a : {| x: number, y: string |} = { x: 0, y: 'foo' }; +``` + +### Bug Fixes + +* Include `typeParameter` location in `ArrowFunctionExpression` ([#126](https://github.com/babel/babylon/pull/126)) (Daniel Tschinder) +* Error on invalid flow type annotation with default assignment ([#122](https://github.com/babel/babylon/pull/122)) (Dan Harper) +* Fix Flow return types on arrow functions ([#124](https://github.com/babel/babylon/pull/124)) (Dan Harper) + +### Misc + +* Add tests for export extensions ([#127](https://github.com/babel/babylon/pull/127)) (Daniel Tschinder) +* Fix Contributing guidelines [skip ci] (Daniel Tschinder) + +## 6.9.2 (2016-09-09) + +The only change is to remove the `babel-runtime` dependency by compiling with Babel's ES2015 loose mode. So using babylon standalone should be smaller. + +## 6.9.1 (2016-08-23) + +This release contains mainly small bugfixes but also updates babylons default mode to es2017. The features for `exponentiationOperator`, `asyncFunctions` and `trailingFunctionCommas` which previously needed to be activated via plugin are now enabled by default and the plugins are now no-ops. + +### Bug Fixes + +- Fix issues with default object params in async functions ([#96](https://github.com/babel/babylon/pull/96)) @danez +- Fix issues with flow-types and async function ([#95](https://github.com/babel/babylon/pull/95)) @danez +- Fix arrow functions with destructuring, types & default value ([#94](https://github.com/babel/babylon/pull/94)) @danharper +- Fix declare class with qualified type identifier ([#97](https://github.com/babel/babylon/pull/97)) @danez +- Remove exponentiationOperator, asyncFunctions, trailingFunctionCommas plugins and enable them by default ([#98](https://github.com/babel/babylon/pull/98)) @danez + +## 6.9.0 (2016-08-16) + +### New syntax support + +- Add JSX spread children ([#42](https://github.com/babel/babylon/pull/42)) @calebmer + +(Be aware that React is not going to support this syntax) + +```js +<div> + {...todos.map(todo => <Todo key={todo.id} todo={todo}/>)} +</div> +``` + +- Add support for declare module.exports ([#72](https://github.com/babel/babylon/pull/72)) @danez + +```js +declare module "foo" { + declare module.exports: {} +} +``` + +### New Features + +- If supplied, attach filename property to comment node loc. ([#80](https://github.com/babel/babylon/pull/80)) @divmain +- Add identifier name to node loc field ([#90](https://github.com/babel/babylon/pull/90)) @kittens + +### Bug Fixes + +- Fix exponential operator to behave according to spec ([#75](https://github.com/babel/babylon/pull/75)) @danez +- Fix lookahead to not add comments to arrays which are not cloned ([#76](https://github.com/babel/babylon/pull/76)) @danez +- Fix accidental fall-through in Flow type parsing. ([#82](https://github.com/babel/babylon/pull/82)) @xiemaisi +- Only allow declares inside declare module ([#73](https://github.com/babel/babylon/pull/73)) @danez +- Small fix for parsing type parameter declarations ([#83](https://github.com/babel/babylon/pull/83)) @gabelevi +- Fix arrow param locations with flow types ([#57](https://github.com/babel/babylon/pull/57)) @danez +- Fixes SyntaxError position with flow optional type ([#65](https://github.com/babel/babylon/pull/65)) @danez + +### Internal + +- Add codecoverage to tests @danez +- Fix tests to not save expected output if we expect the test to fail @danez +- Make a shallow clone of babel for testing @danez +- chore(package): update cross-env to version 2.0.0 ([#77](https://github.com/babel/babylon/pull/77)) @greenkeeperio-bot +- chore(package): update ava to version 0.16.0 ([#86](https://github.com/babel/babylon/pull/86)) @greenkeeperio-bot +- chore(package): update babel-plugin-istanbul to version 2.0.0 ([#89](https://github.com/babel/babylon/pull/89)) @greenkeeperio-bot +- chore(package): update nyc to version 8.0.0 ([#88](https://github.com/babel/babylon/pull/88)) @greenkeeperio-bot + +## 6.8.4 (2016-07-06) + +### Bug Fixes + +- Fix the location of params, when flow and default value used ([#68](https://github.com/babel/babylon/pull/68)) @danez + +## 6.8.3 (2016-07-02) + +### Bug Fixes + +- Fix performance regression introduced in 6.8.2 with conditionals ([#63](https://github.com/babel/babylon/pull/63)) @danez + +## 6.8.2 (2016-06-24) + +### Bug Fixes + +- Fix parse error with yielding jsx elements in generators `function* it() { yield <a></a>; }` ([#31](https://github.com/babel/babylon/pull/31)) @eldereal +- When cloning nodes do not clone its comments ([#24](https://github.com/babel/babylon/pull/24)) @danez +- Fix parse errors when using arrow functions with an spread element and return type `(...props): void => {}` ([#10](https://github.com/babel/babylon/pull/10)) @danez +- Fix leading comments added from previous node ([#23](https://github.com/babel/babylon/pull/23)) @danez +- Fix parse errors with flow's optional arguments `(arg?) => {}` ([#19](https://github.com/babel/babylon/pull/19)) @danez +- Support negative numeric type literals @kittens +- Remove line terminator restriction after await keyword @kittens +- Remove grouped type arrow restriction as it seems flow no longer has it @kittens +- Fix parse error with generic methods that have the name `get` or `set` `class foo { get() {} }` ([#55](https://github.com/babel/babylon/pull/55)) @vkurchatkin +- Fix parse error with arrow functions that have flow type parameter declarations `<T>(x: T): T => x;` ([#54](https://github.com/babel/babylon/pull/54)) @gabelevi + +### Documentation + +- Document AST differences from ESTree ([#41](https://github.com/babel/babylon/pull/41)) @nene +- Move ast spec from babel/babel ([#46](https://github.com/babel/babylon/pull/46)) @hzoo + +### Internal + +- Enable skipped tests ([#16](https://github.com/babel/babylon/pull/16)) @danez +- Add script to test latest version of babylon with babel ([#21](https://github.com/babel/babylon/pull/21)) @danez +- Upgrade test runner ava @kittens +- Add missing generate-identifier-regex script @kittens +- Rename parser context types @kittens +- Add node v6 to travis testing @hzoo +- Update to Unicode v9 ([#45](https://github.com/babel/babylon/pull/45)) @mathiasbynens + +## 6.8.1 (2016-06-06) + +### New Feature + +- Parse type parameter declarations with defaults like `type Foo<T = string> = T` + +### Bug Fixes +- Type parameter declarations need 1 or more type parameters. +- The existential type `*` is not a valid type parameter. +- The existential type `*` is a primary type + +### Spec Compliancy +- The param list for type parameter declarations now consists of `TypeParameter` nodes +- New `TypeParameter` AST Node (replaces using the `Identifier` node before) + +``` +interface TypeParameter <: Node { + bound: TypeAnnotation; + default: TypeAnnotation; + name: string; + variance: "plus" | "minus"; +} +``` + +## 6.8.0 (2016-05-02) + +#### New Feature + +##### Parse Method Parameter Decorators ([#12](https://github.com/babel/babylon/pull/12)) + +> [Method Parameter Decorators](https://goo.gl/8MmCMG) is now a TC39 [stage 0 proposal](https://github.com/tc39/ecma262/blob/master/stage0.md). + +Examples: + +```js +class Foo { + constructor(@foo() x, @bar({ a: 123 }) @baz() y) {} +} + +export default function func(@foo() x, @bar({ a: 123 }) @baz() y) {} + +var obj = { + method(@foo() x, @bar({ a: 123 }) @baz() y) {} +}; +``` + +##### Parse for-await statements (w/ `asyncGenerators` plugin) ([#17](https://github.com/babel/babylon/pull/17)) + +There is also a new node type, `ForAwaitStatement`. + +> [Async generators and for-await](https://github.com/tc39/proposal-async-iteration) are now a [stage 2 proposal](https://github.com/tc39/ecma262#current-proposals). + +Example: + +```js +async function f() { + for await (let x of y); +} +``` |