frontend-search: add duckduckgo as an option for fallback search (#7973)

ohmyzsh · Jul 31, 2019 · 6d2221e · 6d2221e
1 parent 59c1ec8
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diff --git a/plugins/frontend-search/README.md b/plugins/frontend-search/README.md
@@ -62,6 +62,10 @@ Available search contexts are:
 
 If you want to have another context, open an Issue and tell us!
 
+## Fallback search behaviour
+
+The plugin will use Google as a fallback if the docs site for a search context does not have a search function. You can set the fallback search engine to DuckDuckGo by setting  `FRONTEND_SEARCH_FALLBACK='duckduckgo'` in your `~/.zshrc` file before Oh My Zsh is sourced.
+
 ## Author
 
 **Wilson Mendes (willmendesneto)**

diff --git a/plugins/frontend-search/frontend-search.plugin.zsh b/plugins/frontend-search/frontend-search.plugin.zsh
@@ -27,40 +27,51 @@ alias typescript='frontend typescript'
 alias unheap='frontend unheap'
 alias vuejs='frontend vuejs'
 
+function _frontend_fallback() {
+  local url
+  if [[ "$FRONTEND_SEARCH_FALLBACK" == duckduckgo ]]; then
+    url="https://duckduckgo.com/?sites=$1&q="
+  else
+    url="https://google.com/search?as_sitesearch=$1&as_q="
+  fi
+
+  echo "$url"
+}
+
 function frontend() {
   emulate -L zsh
 
   # define search context URLS
   typeset -A urls
   urls=(
     angular        'https://angular.io/?search='
-    angularjs      'https://google.com/search?as_sitesearch=angularjs.org&as_q='
-    bem            'https://google.com/search?as_sitesearch=bem.info&as_q='
+    angularjs      $(_frontend_fallback 'angularjs.org')
+    bem            $(_frontend_fallback 'bem.info')
     bootsnipp      'https://bootsnipp.com/search?q='
     bundlephobia   'https://bundlephobia.com/result?p='
     caniuse        'https://caniuse.com/#search='
     codepen        'https://codepen.io/search?q='
     compassdoc     'http://compass-style.org/search?q='
     cssflow        'http://www.cssflow.com/search?q='
     dartlang       'https://api.dartlang.org/apidocs/channels/stable/dartdoc-viewer/dart:'
-    emberjs        'https://www.google.com/search?as_sitesearch=emberjs.com/&as_q='
-    flowtype       'https://google.com/search?as_sitesearch=flow.org/en/docs/&as_q='
+    emberjs        $(_frontend_fallback 'emberjs.com/')
+    flowtype       $(_frontend_fallback 'flow.org/en/docs/')
     fontello       'http://fontello.com/#search='
     github         'https://github.com/search?q='
     html5please    'https://html5please.com/#'
-    jestjs         'https://www.google.com/search?as_sitesearch=jestjs.io&as_q='
+    jestjs         $(_frontend_fallback 'jestjs.io')
     jquery         'https://api.jquery.com/?s='
     lodash         'https://devdocs.io/lodash/index#'
     mdn            'https://developer.mozilla.org/search?q='
-    nodejs         'https://www.google.com/search?as_sitesearch=nodejs.org/en/docs/&as_q='
+    nodejs         $(_frontend_fallback 'nodejs.org/en/docs/')
     npmjs          'https://www.npmjs.com/search?q='
     qunit          'https://api.qunitjs.com/?s='
-    reactjs        'https://google.com/search?as_sitesearch=facebook.github.io/react&as_q='
-    smacss         'https://google.com/search?as_sitesearch=smacss.com&as_q='
+    reactjs        $(_frontend_fallback 'reactjs.org/')
+    smacss         $(_frontend_fallback 'smacss.com')
     stackoverflow  'https://stackoverflow.com/search?q='
-    typescript     'https://google.com/search?as_sitesearch=www.typescriptlang.org/docs&as_q='
+    typescript     $(_frontend_fallback 'www.typescriptlang.org/docs')
     unheap         'http://www.unheap.com/?s='
-    vuejs          'https://www.google.com/search?as_sitesearch=vuejs.org&as_q='
+    vuejs          $(_frontend_fallback 'vuejs.org')
   )
 
   # show help for command list