2 files changed, 45 insertions, 9 deletions

diff --git a/src/data/language.js b/src/data/language.js
index 3fc14da7..6f774f27 100644
--- a/src/data/language.js
+++ b/src/data/language.js
@@ -7,15 +7,11 @@ import chokidar from 'chokidar';
 import he from 'he'; // It stands for "HTML Entities", apparently. Cursed.
 import yaml from 'js-yaml';
 
-import T from '#things';
+import {externalLinkSpec} from '#external-links';
 import {colors, logWarn} from '#cli';
-
-import {
-  annotateError,
-  annotateErrorWithFile,
-  showAggregate,
-  withAggregate,
-} from '#sugar';
+import {annotateError, annotateErrorWithFile, showAggregate, withAggregate}
+  from '#sugar';
+import T from '#things';
 
 const {Language} = T;
 
@@ -114,6 +110,8 @@ export function initializeLanguageObject() {
   language.escapeHTML = string =>
     he.encode(string, {useNamedReferences: true});
 
+  language.externalLinkSpec = externalLinkSpec;
+
   return language;
 }
 
diff --git a/src/data/things/language.js b/src/data/things/language.js
index 646eb6d1..70481299 100644
--- a/src/data/things/language.js
+++ b/src/data/things/language.js
@@ -1,5 +1,13 @@
-import {Tag} from '#html';
 import {isLanguageCode} from '#validators';
+import {Tag} from '#html';
+
+import {
+  getExternalLinkStringOfStyleFromDescriptors,
+  getExternalLinkStringsFromDescriptors,
+  isExternalLinkContext,
+  isExternalLinkSpec,
+  isExternalLinkStyle,
+} from '#external-links';
 
 import {
   externalFunction,
@@ -72,6 +80,13 @@ export class Language extends Thing {
       update: {validate: (t) => typeof t === 'object'},
     },
 
+    // List of descriptors for providing to external link utilities when using
+    // language.formatExternalLink - refer to util/external-links.js for info.
+    externalLinkSpec: {
+      flags: {update: true, expose: true},
+      update: {validate: isExternalLinkSpec},
+    },
+
     // Update only
 
     escapeHTML: externalFunction(),
@@ -299,6 +314,29 @@ export class Language extends Thing {
       : duration;
   }
 
+  formatExternalLink(url, {
+    style = 'normal',
+    context = 'generic',
+  } = {}) {
+    if (!this.externalLinkSpec) {
+      throw new TypeError(`externalLinkSpec unavailable`);
+    }
+
+    isExternalLinkContext(context);
+
+    if (style === 'all') {
+      return getExternalLinkStringsFromDescriptors(url, this.externalLinkSpec, {
+        language: this,
+        context,
+      });
+    }
+
+    return getExternalLinkStringOfStyleFromDescriptors(url, style, this.externalLinkSpec, {
+      language: this,
+      context,
+    });
+  }
+
   formatIndex(value) {
     this.assertIntlAvailable('intl_pluralOrdinal');
     return this.formatString('count.index.' + this.intl_pluralOrdinal.select(value), {index: value});