search resolution option (#436)

* add search resolution setting

* move finding next substring to method

* use regex literal

* fix comments

* fix comments

* add options update function

* update test

2 files changed, 8 insertions, 0 deletions

diff --git a/types/ext/settings.d.ts b/types/ext/settings.d.ts
index 8ce82b28..25ea46d9 100644
--- a/types/ext/settings.d.ts
+++ b/types/ext/settings.d.ts
@@ -234,8 +234,11 @@ export type TranslationOptions = {
     convertKatakanaToHiragana: TranslationConvertType;
     collapseEmphaticSequences: TranslationCollapseEmphaticSequences;
     textReplacements: TranslationTextReplacementOptions;
+    searchResolution: SearchResolution;
 };
 
+export type SearchResolution = 'letter' | 'word';
+
 export type TranslationTextReplacementOptions = {
     searchOriginal: boolean;
     groups: TranslationTextReplacementGroup[][];
diff --git a/types/ext/translation.d.ts b/types/ext/translation.d.ts
index 595a5a35..c8938e00 100644
--- a/types/ext/translation.d.ts
+++ b/types/ext/translation.d.ts
@@ -17,6 +17,7 @@
  */
 
 import type * as Dictionary from './dictionary';
+import type {SearchResolution} from 'settings';
 
 // Kanji
 
@@ -116,6 +117,10 @@ export type FindTermsOptions = {
      * A set of dictionary names which should have definitions removed.
      */
     excludeDictionaryDefinitions: Set<string> | null;
+    /**
+     * Whether every substring should be searched for, or only whole words.
+     */
+    searchResolution: SearchResolution;
 };
 
 /**