From a018a79f60c3f3f8bbd1e72f9599ceef5d5100c0 Mon Sep 17 00:00:00 2001 From: Dmitry Gutov Date: Mon, 2 Feb 2015 04:35:34 +0200 Subject: [PATCH] Highlight JS snippets --- NEWS.md | 132 +++++++++++++++++++++++++++++++++----------------------- 1 file changed, 78 insertions(+), 54 deletions(-) diff --git a/NEWS.md b/NEWS.md index fd3d5fe1d..a1a9006f4 100644 --- a/NEWS.md +++ b/NEWS.md @@ -36,8 +36,10 @@ The options `js2-indent-on-enter-key` and `js2-enter-indents-newline` were also To bring back the previous behavior, put this in your init file: - (eval-after-load 'js2-mode - '(define-key js2-mode-map (kbd "RET") 'js2-line-break)) +```js +(eval-after-load 'js2-mode + '(define-key js2-mode-map (kbd "RET") 'js2-line-break)) +``` ## 20120617 @@ -51,75 +53,91 @@ To bring back the previous behavior, put this in your init file: ### Popular indentation style - [foo, bar, baz].forEach(function (v) { - if (validate(v)) - process(v); - }); +```js +[foo, bar, baz].forEach(function (v) { + if (validate(v)) + process(v); +}); - [a, b, c].some(function (v) { - return validate(v); - }); +[a, b, c].some(function (v) { + return validate(v); +}); +``` ### Pretty multiline variable declaration In the original mode, - var foo = 10, - bar = 20, - baz = 30; +```js +var foo = 10, +bar = 20, +baz = 30; +``` In this mode when the value of `js2-pretty-multiline-declarations` is non-nil, - var foo = 10, - bar = 20, - baz = 30; +```js +var foo = 10, + bar = 20, + baz = 30; +``` ### Abbreviated destructuring assignments - let {a, b} = {a: 10, b: 20}; // Abbreviated (Not supported in the original mode) - let {a: a, b: b} = {a: 10, b: 20}; // Same as above (Supported in the original mode) +```js +let {a, b} = {a: 10, b: 20}; // Abbreviated (Not supported in the original mode) +let {a: a, b: b} = {a: 10, b: 20}; // Same as above (Supported in the original mode) - (function ({responseText}) { /* */ })(xhr); // As the argument of function +(function ({responseText}) { /* */ })(xhr); // As the argument of function - for (let [k, { name, age }] in Iterator(obj)) // nested - print(k, name, age); +for (let [k, { name, age }] in Iterator(obj)) // nested + print(k, name, age); +``` ### Expression closure in property value - let worker = { - get age() 20, - get sex() "male", - fire: function () _fire() - }; +```js +let worker = { + get age() 20, + get sex() "male", + fire: function () _fire() +}; +``` ### Fix for odd indentation of "else if" with no braces In the original mode, - if (foo) - return foo; - else if (bar) - return bar; // here +```js +if (foo) + return foo; +else if (bar) +return bar; // here +``` In this mode, - if (foo) - return foo; - else if (bar) - return bar; // fixed +```js +if (foo) + return foo; +else if (bar) + return bar; // fixed +``` ### Imenu support for function nesting Supports function nesting and anonymous wrappers: - (function() { - var foo = function() { - function bar() { // shown as foo.bar. - function baz() {} // foo.bar.baz - var qux = function() {}; // foo.bar.quux - } - }; - }); +```js +(function() { + var foo = function() { + function bar() { // shown as foo.bar. + function baz() {} // foo.bar.baz + var qux = function() {}; // foo.bar.quux + } + }; +}); +``` Examples of output: @@ -133,24 +151,30 @@ For library-specific extension methods like `$.extend` and `dojo.declare`, see [ Original mode highlights them only on the left side of assignments: - var house; - hose = new House(); // highlights "hose" +```js +var house; +hose = new House(); // highlights "hose" +``` Here they are highlighted in all expressions: - function feed(fishes, food) { - for each (var fish in fshes) { // highlights "fshes" - food.feed(fsh); // highlights "fsh" - } - hood.discard(); // highlights "hood" +```js +function feed(fishes, food) { + for each (var fish in fshes) { // highlights "fshes" + food.feed(fsh); // highlights "fsh" } + hood.discard(); // highlights "hood" +} +``` Destructuring assignments and array comprehensions (JS 1.7) are supported: - let three, [one, two] = [1, 2]; - thee = one + two; // highlights "thee" +```js +let three, [one, two] = [1, 2]; +thee = one + two; // highlights "thee" - function revenue(goods) { - // highlights "coast" - return [price - coast for each ({price, cost} in goods)].reduce(add); - } +function revenue(goods) { + // highlights "coast" + return [price - coast for each ({price, cost} in goods)].reduce(add); +} +``` -- 2.39.2