Language descriptors organization (#704)

* Move languageDescriptorMap

* Move text preprocessors

* Merge into language-descriptors.js

* Merge typescript

* Initialize inline

* Move types

* Update types

* Update eslint

* Update jsconfig reference

* Rename

5 files changed, 138 insertions, 119 deletions

diff --git a/ext/js/language/en/language-english.js b/ext/js/language/en/language-english.js
deleted file mode 100644
index 8268653f..00000000
--- a/ext/js/language/en/language-english.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2024  Yomitan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-import {capitalizeFirstLetter, decapitalize} from '../text-preprocessors.js';
-
-/** @type {import('language-english').EnglishLanguageDescriptor} */
-export const descriptor = {
-    name: 'English',
-    iso: 'en',
-    exampleText: 'read',
-    textPreprocessors: {
-        capitalizeFirstLetter,
-        decapitalize
-    }
-};
diff --git a/ext/js/language/ja/japanese-text-preprocessors.js b/ext/js/language/ja/japanese-text-preprocessors.js
new file mode 100644
index 00000000..ab4138c3
--- /dev/null
+++ b/ext/js/language/ja/japanese-text-preprocessors.js
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2024  Yomitan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {basicTextPreprocessorOptions} from '../text-preprocessors.js';
+import {convertAlphabeticToKana} from './japanese-wanakana.js';
+import {
+    collapseEmphaticSequences as collapseEmphaticSequencesFunction,
+    convertHalfWidthKanaToFullWidth,
+    convertHiraganaToKatakana as convertHiraganaToKatakanaFunction,
+    convertKatakanaToHiragana as convertKatakanaToHiraganaFunction,
+    convertNumericToFullWidth
+} from './japanese.js';
+
+/** @type {import('language').TextPreprocessor<boolean>} */
+export const convertHalfWidthCharacters = {
+    name: 'Convert half width characters to full width',
+    description: 'ﾖﾐﾁｬﾝ → ヨミチャン',
+    options: basicTextPreprocessorOptions,
+    /** @type {import('language').TextPreprocessorFunction<boolean>} */
+    process: (str, setting, sourceMap) => (setting ? convertHalfWidthKanaToFullWidth(str, sourceMap) : str)
+};
+
+/** @type {import('language').TextPreprocessor<boolean>} */
+export const convertNumericCharacters = {
+    name: 'Convert numeric characters to full width',
+    description: '1234 → １２３４',
+    options: basicTextPreprocessorOptions,
+    /** @type {import('language').TextPreprocessorFunction<boolean>} */
+    process: (str, setting) => (setting ? convertNumericToFullWidth(str) : str)
+};
+
+/** @type {import('language').TextPreprocessor<boolean>} */
+export const convertAlphabeticCharacters = {
+    name: 'Convert alphabetic characters to hiragana',
+    description: 'yomichan → よみちゃん',
+    options: basicTextPreprocessorOptions,
+    /** @type {import('language').TextPreprocessorFunction<boolean>} */
+    process: (str, setting, sourceMap) => (setting ? convertAlphabeticToKana(str, sourceMap) : str)
+};
+
+/** @type {import('language').TextPreprocessor<boolean>} */
+export const convertHiraganaToKatakana = {
+    name: 'Convert hiragana to katakana',
+    description: 'よみちゃん → ヨミチャン',
+    options: basicTextPreprocessorOptions,
+    /** @type {import('language').TextPreprocessorFunction<boolean>} */
+    process: (str, setting) => (setting ? convertHiraganaToKatakanaFunction(str) : str)
+};
+
+/** @type {import('language').TextPreprocessor<boolean>} */
+export const convertKatakanaToHiragana = {
+    name: 'Convert katakana to hiragana',
+    description: 'ヨミチャン → よみちゃん',
+    options: basicTextPreprocessorOptions,
+    /** @type {import('language').TextPreprocessorFunction<boolean>} */
+    process: (str, setting) => (setting ? convertKatakanaToHiraganaFunction(str) : str)
+};
+
+/** @type {import('language').TextPreprocessor<[collapseEmphatic: boolean, collapseEmphaticFull: boolean]>} */
+export const collapseEmphaticSequences = {
+    name: 'Collapse emphatic character sequences',
+    description: 'すっっごーーい → すっごーい / すごい',
+    options: [[false, false], [true, false], [true, true]],
+    /** @type {import('language').TextPreprocessorFunction<[collapseEmphatic: boolean, collapseEmphaticFull: boolean]>} */
+    process: (str, setting, sourceMap) => {
+        const [collapseEmphatic, collapseEmphaticFull] = setting;
+        if (collapseEmphatic) {
+            str = collapseEmphaticSequencesFunction(str, collapseEmphaticFull, sourceMap);
+        }
+        return str;
+    }
+};
diff --git a/ext/js/language/ja/language-japanese.js b/ext/js/language/ja/language-japanese.js
deleted file mode 100644
index ced34bcd..00000000
--- a/ext/js/language/ja/language-japanese.js
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2024  Yomitan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-import {basicTextPreprocessorOptions} from '../text-preprocessors.js';
-import {convertAlphabeticToKana} from './japanese-wanakana.js';
-import {collapseEmphaticSequences, convertHalfWidthKanaToFullWidth, convertHiraganaToKatakana, convertKatakanaToHiragana, convertNumericToFullWidth} from './japanese.js';
-
-/** @type {import('language-japanese').JapaneseLanguageDescriptor} */
-export const descriptor = {
-    name: 'Japanese',
-    iso: 'ja',
-    exampleText: '読め',
-    textPreprocessors: {
-        convertHalfWidthCharacters: {
-            name: 'Convert half width characters to full width',
-            description: 'ﾖﾐﾁｬﾝ → ヨミチャン',
-            options: basicTextPreprocessorOptions,
-            /** @type {import('language').TextPreprocessorFunction<boolean>} */
-            process: (str, setting, sourceMap) => (setting ? convertHalfWidthKanaToFullWidth(str, sourceMap) : str)
-        },
-        convertNumericCharacters: {
-            name: 'Convert numeric characters to full width',
-            description: '1234 → １２３４',
-            options: basicTextPreprocessorOptions,
-            /** @type {import('language').TextPreprocessorFunction<boolean>} */
-            process: (str, setting) => (setting ? convertNumericToFullWidth(str) : str)
-        },
-        convertAlphabeticCharacters: {
-            name: 'Convert alphabetic characters to hiragana',
-            description: 'yomichan → よみちゃん',
-            options: basicTextPreprocessorOptions,
-            /** @type {import('language').TextPreprocessorFunction<boolean>} */
-            process: (str, setting, sourceMap) => (setting ? convertAlphabeticToKana(str, sourceMap) : str)
-        },
-        convertHiraganaToKatakana: {
-            name: 'Convert hiragana to katakana',
-            description: 'よみちゃん → ヨミチャン',
-            options: basicTextPreprocessorOptions,
-            /** @type {import('language').TextPreprocessorFunction<boolean>} */
-            process: (str, setting) => (setting ? convertHiraganaToKatakana(str) : str)
-        },
-        convertKatakanaToHiragana: {
-            name: 'Convert katakana to hiragana',
-            description: 'ヨミチャン → よみちゃん',
-            options: basicTextPreprocessorOptions,
-            /** @type {import('language').TextPreprocessorFunction<boolean>} */
-            process: (str, setting) => (setting ? convertKatakanaToHiragana(str) : str)
-        },
-        collapseEmphaticSequences: {
-            name: 'Collapse emphatic character sequences',
-            description: 'すっっごーーい → すっごーい / すごい',
-            options: [[false, false], [true, false], [true, true]],
-            /** @type {import('language').TextPreprocessorFunction<[collapseEmphatic: boolean, collapseEmphaticFull: boolean]>} */
-            process: (str, setting, sourceMap) => {
-                const [collapseEmphatic, collapseEmphaticFull] = setting;
-                if (collapseEmphatic) {
-                    str = collapseEmphaticSequences(str, collapseEmphaticFull, sourceMap);
-                }
-                return str;
-            }
-        }
-    }
-};
diff --git a/ext/js/language/language-descriptors.js b/ext/js/language/language-descriptors.js
new file mode 100644
index 00000000..ee65a011
--- /dev/null
+++ b/ext/js/language/language-descriptors.js
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2024  Yomitan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {collapseEmphaticSequences, convertAlphabeticCharacters, convertHalfWidthCharacters, convertHiraganaToKatakana, convertKatakanaToHiragana, convertNumericCharacters} from './ja/japanese-text-preprocessors.js';
+import {capitalizeFirstLetter, decapitalize} from './text-preprocessors.js';
+
+/** @type {import('language-descriptors').LanguageDescriptorAny[]} */
+const languageDescriptors = [
+    {
+        iso: 'en',
+        name: 'English',
+        exampleText: 'read',
+        textPreprocessors: {
+            capitalizeFirstLetter,
+            decapitalize
+        }
+    },
+    {
+        iso: 'ja',
+        name: 'Japanese',
+        exampleText: '読め',
+        textPreprocessors: {
+            convertHalfWidthCharacters,
+            convertNumericCharacters,
+            convertAlphabeticCharacters,
+            convertHiraganaToKatakana,
+            convertKatakanaToHiragana,
+            collapseEmphaticSequences
+        }
+    }
+];
+
+/** @type {Map<string, import('language-descriptors').LanguageDescriptorAny>} */
+export const languageDescriptorMap = new Map();
+for (const languageDescriptor of languageDescriptors) {
+    languageDescriptorMap.set(languageDescriptor.iso, languageDescriptor);
+}
diff --git a/ext/js/language/languages.js b/ext/js/language/languages.js
index f51ca163..f964dfec 100755
--- a/ext/js/language/languages.js
+++ b/ext/js/language/languages.js
@@ -15,19 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import {descriptor as descriptorEnglish} from './en/language-english.js';
-import {descriptor as descriptorJapanese} from './ja/language-japanese.js';
-
-const languageDescriptors = [
-    descriptorEnglish,
-    descriptorJapanese
-];
-
-/** @type {Map<string, typeof languageDescriptors[0]>} */
-const languageDescriptorMap = new Map();
-for (const languageDescriptor of languageDescriptors) {
-    languageDescriptorMap.set(languageDescriptor.iso, languageDescriptor);
-}
+import {languageDescriptorMap} from './language-descriptors.js';
 
 /**
  * @returns {import('language').LanguageSummary[]}