1 files changed, 0 insertions, 118 deletions
diff --git a/ext/js/dom/css-style-applier.js b/ext/js/dom/css-style-applier.js
deleted file mode 100644
index c617fead..00000000
--- a/ext/js/dom/css-style-applier.js
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (C) 2021  Yomichan 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/>.
- */
-
-/**
- * This class is used to apply CSS styles to elements using a consistent method
- * that is the same across different browsers.
- */
-class CssStyleApplier {
-    /**
-     * Creates a new instance of the class.
-     * @param styleDataUrl The local URL to the JSON file continaing the style rules.
-     *   The style rules should be of the format:
-     *   [
-     *     {
-     *       selectors: [(selector:string)...],
-     *       styles: [
-     *         [(property:string), (value:string)]...
-     *       ]
-     *     }...
-     *   ]
-     */
-    constructor(styleDataUrl) {
-        this._styleDataUrl = styleDataUrl;
-        this._styleData = [];
-        this._cachedRules = new Map();
-    }
-
-    /**
-     * Loads the data file for use.
-     */
-    async prepare() {
-        this._styleData = await this._fetchJsonAsset(this._styleDataUrl);
-    }
-
-    /**
-     * Applies CSS styles directly to the "style" attribute using the "class" attribute.
-     * This only works for elements with a single class.
-     * @param elements An iterable collection of HTMLElement objects.
-     */
-    applyClassStyles(elements) {
-        const elementStyles = [];
-        for (const element of elements) {
-            const {className} = element;
-            if (className.length === 0) { continue; }
-            let cssTextNew = '';
-            for (const {selectorText, styles} of this._getRulesForClass(className)) {
-                if (!element.matches(selectorText)) { continue; }
-                cssTextNew += this._getCssText(styles);
-            }
-            cssTextNew += element.style.cssText;
-            elementStyles.push({element, style: cssTextNew});
-        }
-        for (const {element, style} of elementStyles) {
-            element.removeAttribute('class');
-            if (style.length > 0) {
-                element.setAttribute('style', style);
-            } else {
-                element.removeAttribute('style');
-            }
-        }
-    }
-
-    // Private
-
-    async _fetchJsonAsset(url) {
-        const response = await fetch(url, {
-            method: 'GET',
-            mode: 'no-cors',
-            cache: 'default',
-            credentials: 'omit',
-            redirect: 'follow',
-            referrerPolicy: 'no-referrer'
-        });
-        if (!response.ok) {
-            throw new Error(`Failed to fetch ${url}: ${response.status}`);
-        }
-        return await response.json();
-    }
-
-    _getRulesForClass(className) {
-        let rules = this._cachedRules.get(className);
-        if (typeof rules !== 'undefined') { return rules; }
-
-        rules = [];
-        this._cachedRules.set(className, rules);
-
-        const classNamePattern = new RegExp(`.${className}(?![0-9a-zA-Z-])`, '');
-        for (const {selectors, styles} of this._styleData) {
-            const selectorText = selectors.join(',');
-            if (!classNamePattern.test(selectorText)) { continue; }
-            rules.push({selectorText, styles});
-        }
-
-        return rules;
-    }
-
-    _getCssText(styles) {
-        let cssText = '';
-        for (const [property, value] of styles) {
-            cssText += `${property}:${value};`;
-        }
-        return cssText;
-    }
-}