Open external links in a new Tab (reactjs#1380)

Add this functionality with gatsby-remark-external-links plugin

Author: dantehemerson

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",

yarn.lock

@@ -5499,6 +5499,15 @@ 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"
@@ -7889,6 +7898,10 @@ 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"
@@ -7984,6 +7997,10 @@ 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"
@@ -8105,6 +8122,10 @@ 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"
@@ -8967,7 +8988,7 @@ 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=
@@ -10588,6 +10609,20 @@ [email protected]:
     babel-runtime "^6.23.0"
     fbjs "^0.8.14"
 
+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"
@@ -10616,6 +10651,19 @@ 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"
@@ -10636,6 +10684,14 @@ 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"
@@ -12328,6 +12384,17 @@ 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:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/unified/-/unified-6.2.0.tgz#7fbd630f719126d67d40c644b7e3f617035f6dba"
@@ -12396,6 +12463,14 @@ 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"
@@ -12686,6 +12761,10 @@ 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"