Merge pull request #110 from reactjs/sync-b1691780

Sync with reactjs.org @ b169178

Author: taehwanno

content/community/conferences.md

@@ -17,7 +17,7 @@ April 24-26 in Helsinki, Finland
 
 [Website](https://react-finland.fi/) - [Twitter](https://twitter.com/ReactFinland)
 
-### ReactJS Girls Conference
+### ReactJS Girls Conference {#reactjs-girls-conference}
 May 3, 2019 in London, UK
 
 [Website](https://reactjsgirls.com/) - [Twitter](https://twitter.com/reactjsgirls)
@@ -47,12 +47,12 @@ June 21, 2019 Chicago, Illinois USA
 
 [Website](https://reactloop.com) - [Twitter](https://twitter.com/ReactLoop)
 
-### Chain React 2019
+### Chain React 2019 {#chain-react-2019}
 July 11-12, 2019. Portland, OR, USA.
 
 [Website](https://infinite.red/ChainReactConf)
 
-### React Rally 2019
+### React Rally 2019 {#react-rally-2019}
 August 22-23, 2019. Salt Lake City, USA.
 
 [Website](https://www.reactrally.com/) - [Twitter](https://twitter.com/ReactRally) - [Instagram](https://www.instagram.com/reactrally/)
@@ -72,6 +72,11 @@ September 13th, 2019. New York, USA
 
 [Website](https://reactnewyork.com/) - [Twitter](https://twitter.com/reactnewyork)
 
+### React Boston 2019 {#react-boston-2019}
+September 21-22, 2019 in Boston, Massachusetts USA
+
+[Website](https://www.reactboston.com/) - [Twitter](https://twitter.com/reactboston)
+
 ### React India 2019 {#react-india-2019}
 September 26-28, 2019 in Goa, India
 

content/docs/getting-started.md

@@ -99,7 +99,7 @@ React 문서는 Javascript 프로그래밍에 익숙한 사람을 대상으로 
 
 ### 고급 개념 {#advanced-concepts}
 
-[주요 개념](#main-concepts)에 익숙해지고 React를 더 많이 다루게 되면 보다 고급 주제에 관심을 가지게 될 것입니다. 이 섹션에서는 [context](/docs/context.html) 및 [refs](/docs/refs-and-dom.html)와 같이 강력하지만 일반적으로 사용되지는 않는 React 기능을 소개합니다.
+[주요 개념](/docs/hello-world.html)에 익숙해지고 React를 더 많이 다루게 되면 보다 고급 주제에 관심을 가지게 될 것입니다. 이 섹션에서는 [context](/docs/context.html) 및 [refs](/docs/refs-and-dom.html)와 같이 강력하지만 일반적으로 사용되지는 않는 React 기능을 소개합니다.
 
 ### API 참조 {#api-reference}
 

content/docs/hooks-faq.md

@@ -209,7 +209,7 @@ There are a few more heuristics, and they might change over time as we fine-tune
 
 * `componentDidCatch` and `getDerivedStateFromError`: There are no Hook equivalents for these methods yet, but they will be added soon.
 
-### How can I do data fetching with Hooks?
+### How can I do data fetching with Hooks? {#how-can-i-do-data-fetching-with-hooks}
 
 Here is a [small demo](https://codesandbox.io/s/jvvkoo8pq3) to get you started. To learn more, check out [this article](https://www.robinwieruch.de/react-hooks-fetch-data/) about data fetching with Hooks.
 
@@ -654,7 +654,7 @@ function ProductDetails({ fetchProduct })
 
 Note that in the above example we **need** to keep the function in the dependencies list. This ensures that a change in the `productId` prop of `ProductPage` automatically triggers a refetch in the `ProductDetails` component.
 
-### What can I do if my effect dependencies change too often?
+### What can I do if my effect dependencies change too often? {#what-can-i-do-if-my-effect-dependencies-change-too-often}
 
 Sometimes, your effect may be using reading state that changes too often. You might be tempted to omit that state from a list of dependencies, but that usually leads to bugs:
 

content/docs/hooks-state.md

@@ -8,7 +8,7 @@ prev: hooks-overview.html
 
 *Hook*은 React 16.8버전에 새로 추가되었습니다. Hook은 클래스 컴포넌트를 작성하지 않아도 state와 같은 특징들을 사용할 수 있습니다.
 
-[이전 페이지](/docs/hooks-intro.html)에서 아래의 예시를 통해 Hook을 소개했습니다.
+[Hook 소개](/docs/hooks-intro.html)에서 아래 예시를 통해 Hook과 친해졌습니다.
 
 ```js{4-5}
 import React, { useState } from 'react';

content/languages.yml

@@ -23,6 +23,10 @@
   translated_name: বাংলা
   code: bn
   status: 0
+- name: Catalan
+  translated_name: Català
+  code: ca
+  status: 0
 - name: German
   translated_name: Deutsch
   code: de
@@ -99,6 +103,10 @@
   translated_name: മലയാളം
   code: ml
   status: 0
+- name: Mongolian
+  translated_name: Монгол хэл
+  code: mn
+  status: 0
 - name: Nepali
   translated_name: नेपाली
   code: ne
@@ -110,7 +118,7 @@
 - name: Polish
   translated_name: Polski
   code: pl
-  status: 1
+  status: 2
 - name: Portuguese (Brazil)
   translated_name: Português do Brasil
   code: pt-br

gatsby-config.js

@@ -55,6 +55,7 @@ module.exports = {
               maxWidth: 840,
             },
           },
+          'gatsby-remark-external-links',
           'gatsby-remark-header-custom-ids',
           {
             resolve: 'gatsby-remark-code-repls',

package.json

@@ -32,6 +32,7 @@
     "gatsby-remark-code-repls": "^2.0.0",
     "gatsby-remark-copy-linked-files": "^2.0.0",
     "gatsby-remark-embed-snippet": "^3.0.0",
+    "gatsby-remark-external-links": "^0.0.4",
     "gatsby-remark-images": "^2.0.0",
     "gatsby-remark-prismjs": "^3.0.2",
     "gatsby-remark-responsive-iframe": "^2.0.0",

src/theme.js

@@ -285,15 +285,24 @@ const sharedStyles = {
     },
 
     '& h2': {
-      borderTop: `1px solid ${colors.divider}`,
-      marginTop: 44,
-      paddingTop: 40,
+      '::before': {
+        content: ' ',
+        display: 'block',
+        borderBottom: `1px solid ${colors.divider}`,
+        paddingTop: 44,
+        marginBottom: 40,
+      },
+
       lineHeight: 1.2,
 
       ':first-child': {
-        borderTop: 0,
-        marginTop: 0,
-        paddingTop: 0,
+        '::before': {
+          content: ' ',
+          display: 'block',
+          borderBottom: 0,
+          paddingTop: 40,
+          marginTop: -80,
+        },
       },
 
       [media.lessThan('large')]: {
@@ -310,7 +319,12 @@ const sharedStyles = {
     },
 
     '& h3': {
-      paddingTop: 45,
+      '::before': {
+        content: ' ',
+        display: 'block',
+        paddingTop: 90,
+        marginTop: -45,
+      },
 
       [media.lessThan('small')]: {
         overflowWrap: 'break-word',
@@ -324,14 +338,25 @@ const sharedStyles = {
     },
 
     '& h2 + h3, & h2 + h3:first-of-type': {
-      paddingTop: 30,
+      '::before': {
+        content: ' ',
+        display: 'block',
+        paddingTop: 60,
+        marginTop: -30,
+      },
     },
 
     '& h4': {
+      '::before': {
+        content: ' ',
+        display: 'block',
+        paddingTop: 100,
+        marginTop: -50,
+      },
+
       fontSize: 20,
       color: colors.subtle,
       lineHeight: 1.3,
-      marginTop: 50,
       fontWeight: 400,
     },
 
@@ -414,6 +439,15 @@ const sharedStyles = {
     '& .gatsby-highlight + blockquote': {
       marginTop: 40,
     },
+
+    '& .gatsby-highlight + h4': {
+      '::before': {
+        content: ' ',
+        display: 'block',
+        paddingTop: 85,
+        marginTop: -60,
+      },
+    },
   },
 };
 

yarn.lock

@@ -5844,6 +5844,15 @@ gatsby-remark-embed-snippet@^3.0.0:
     parse-numeric-range "^0.0.2"
     unist-util-map "^1.0.3"
 
+gatsby-remark-external-links@^0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/gatsby-remark-external-links/-/gatsby-remark-external-links-0.0.4.tgz#85b98c1e9dacfaa58085319648c904ff3cab42f0"
+  dependencies:
+    babel-runtime "^6.26.0"
+    is-relative-url "^2.0.0"
+    unist-util-find "^1.0.1"
+    unist-util-visit "^1.1.3"
+
 gatsby-remark-images@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/gatsby-remark-images/-/gatsby-remark-images-2.0.4.tgz#29894b85b4181527fa34514fb73218c8e7f89129"
@@ -8409,6 +8418,10 @@ lodash.isstring@^4.0.1:
   resolved "https://registry.yarnpkg.com/lodash.isstring/-/lodash.isstring-4.0.1.tgz#d527dfb5456eca7cc9bb95d5daeaf88ba54a5451"
   integrity sha1-1SfftUVuynzJu5XV2ur4i6VKVFE=
 
+lodash.iteratee@^4.5.0:
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/lodash.iteratee/-/lodash.iteratee-4.7.0.tgz#be4177db289a8ccc3c0990f1db26b5b22fc1554c"
+
 lodash.kebabcase@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lodash.kebabcase/-/lodash.kebabcase-4.1.1.tgz#8489b1cb0d29ff88195cceca448ff6d6cc295c36"
@@ -8527,6 +8540,10 @@ loglevel@^1.4.1:
   resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.1.tgz#e0fc95133b6ef276cdc8887cdaf24aa6f156f8fa"
   integrity sha1-4PyVEztu8nbNyIh82vJKpvFW+Po=
 
+longest-streak@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/longest-streak/-/longest-streak-1.0.0.tgz#d06597c4d4c31b52ccb1f5d8f8fe7148eafd6965"
+
 longest-streak@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/longest-streak/-/longest-streak-2.0.2.tgz#2421b6ba939a443bb9ffebf596585a50b4c38e2e"
@@ -8653,6 +8670,10 @@ markdown-escapes@^1.0.0:
   resolved "https://registry.yarnpkg.com/markdown-escapes/-/markdown-escapes-1.0.2.tgz#e639cbde7b99c841c0bacc8a07982873b46d2122"
   integrity sha512-lbRZ2mE3Q9RtLjxZBZ9+IMl68DKIXaVAhwvwn9pmjnPLS0h/6kyBMgNhqi1xFJ/2yv6cSyv0jbiZavZv93JkkA==
 
+markdown-table@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/markdown-table/-/markdown-table-0.4.0.tgz#890c2c1b3bfe83fb00e4129b8e4cfe645270f9d1"
+
 markdown-table@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/markdown-table/-/markdown-table-1.1.2.tgz#c78db948fa879903a41bce522e3b96f801c63786"
@@ -9589,7 +9610,7 @@ on-headers@~1.0.1:
   resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.1.tgz#928f5d0f470d49342651ea6794b0857c100693f7"
   integrity sha1-ko9dD0cNSTQmUepnlLCFfBAGk/c=
 
-once@^1.3.0, once@^1.3.1, once@^1.4.0:
+once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
@@ -11275,6 +11296,20 @@ remark-frontmatter@^1.2.0:
     fault "^1.0.1"
     xtend "^4.0.1"
 
+remark-parse@^1.1.0:
+  version "1.1.0"
+  resolved "http://registry.npmjs.org/remark-parse/-/remark-parse-1.1.0.tgz#c3ca10f9a8da04615c28f09aa4e304510526ec21"
+  dependencies:
+    collapse-white-space "^1.0.0"
+    extend "^3.0.0"
+    parse-entities "^1.0.2"
+    repeat-string "^1.5.4"
+    trim "0.0.1"
+    trim-trailing-lines "^1.0.0"
+    unherit "^1.0.4"
+    unist-util-remove-position "^1.0.0"
+    vfile-location "^2.0.0"
+
 remark-parse@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/remark-parse/-/remark-parse-5.0.0.tgz#4c077f9e499044d1d5c13f80d7a98cf7b9285d95"
@@ -11303,6 +11338,19 @@ remark-retext@^3.1.0:
   dependencies:
     mdast-util-to-nlcst "^3.2.0"
 
+remark-stringify@^1.1.0:
+  version "1.1.0"
+  resolved "http://registry.npmjs.org/remark-stringify/-/remark-stringify-1.1.0.tgz#a7105e25b9ee2bf9a49b75d2c423f11b06ae2092"
+  dependencies:
+    ccount "^1.0.0"
+    extend "^3.0.0"
+    longest-streak "^1.0.0"
+    markdown-table "^0.4.0"
+    parse-entities "^1.0.2"
+    repeat-string "^1.5.4"
+    stringify-entities "^1.0.1"
+    unherit "^1.0.4"
+
 remark-stringify@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/remark-stringify/-/remark-stringify-5.0.0.tgz#336d3a4d4a6a3390d933eeba62e8de4bd280afba"
@@ -11323,6 +11371,14 @@ remark-stringify@^5.0.0:
     unherit "^1.0.4"
     xtend "^4.0.1"
 
+remark@^5.0.1:
+  version "5.1.0"
+  resolved "http://registry.npmjs.org/remark/-/remark-5.1.0.tgz#cb463bd3dbcb4b99794935eee1cf71d7a8e3068c"
+  dependencies:
+    remark-parse "^1.1.0"
+    remark-stringify "^1.1.0"
+    unified "^4.1.1"
+
 remark@^9.0.0:
   version "9.0.0"
   resolved "https://registry.yarnpkg.com/remark/-/remark-9.0.0.tgz#c5cfa8ec535c73a67c4b0f12bfdbd3a67d8b2f60"
@@ -13173,6 +13229,17 @@ unicode-property-aliases-ecmascript@^1.0.4:
   resolved "https://registry.yarnpkg.com/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.0.4.tgz#5a533f31b4317ea76f17d807fa0d116546111dd0"
   integrity sha512-2WSLa6OdYd2ng8oqiGIWnJqyFArvhn+5vgx5GTxMbUYjCYKUcuKS62YLFF0R/BDGlB1yzXjQOLtPAfHsgirEpg==
 
+unified@^4.1.1:
+  version "4.2.1"
+  resolved "http://registry.npmjs.org/unified/-/unified-4.2.1.tgz#76ff43aa8da430f6e7e4a55c84ebac2ad2cfcd2e"
+  dependencies:
+    bail "^1.0.0"
+    extend "^3.0.0"
+    has "^1.0.1"
+    once "^1.3.3"
+    trough "^1.0.0"
+    vfile "^1.0.0"
+
 unified@^6.0.0, unified@^6.1.5, unified@^6.1.6:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/unified/-/unified-6.2.0.tgz#7fbd630f719126d67d40c644b7e3f617035f6dba"
@@ -13246,6 +13313,14 @@ unist-builder@^1.0.1:
   dependencies:
     object-assign "^4.1.0"
 
+unist-util-find@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/unist-util-find/-/unist-util-find-1.0.1.tgz#1062bbb6928c7a97c6adc89b53745d4c46c222a2"
+  dependencies:
+    lodash.iteratee "^4.5.0"
+    remark "^5.0.1"
+    unist-util-visit "^1.1.0"
+
 unist-util-generated@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/unist-util-generated/-/unist-util-generated-1.1.2.tgz#8b993f9239d8e560be6ee6e91c3f7b7208e5ce25"
@@ -13536,6 +13611,10 @@ vfile-message@^1.0.0:
   dependencies:
     unist-util-stringify-position "^1.1.1"
 
+vfile@^1.0.0:
+  version "1.4.0"
+  resolved "http://registry.npmjs.org/vfile/-/vfile-1.4.0.tgz#c0fd6fa484f8debdb771f68c31ed75d88da97fe7"
+
 vfile@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/vfile/-/vfile-2.3.0.tgz#e62d8e72b20e83c324bc6c67278ee272488bf84a"