Remove dynamic-loader scripts, simplify script loading (#383)

1 files changed, 0 insertions, 208 deletions

diff --git a/ext/js/script/dynamic-loader.js b/ext/js/script/dynamic-loader.js
deleted file mode 100644
index 8fdb77e9..00000000
--- a/ext/js/script/dynamic-loader.js
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Copyright (C) 2023  Yomitan Authors
- * Copyright (C) 2020-2022  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/>.
- */
-
-import {yomitan} from '../yomitan.js';
-
-export const dynamicLoader = (() => {
-    /** @type {Map<string, ?HTMLStyleElement|HTMLLinkElement>} */
-    const injectedStylesheets = new Map();
-    /** @type {WeakMap<Node, Map<string, ?HTMLStyleElement|HTMLLinkElement>>} */
-    const injectedStylesheetsWithParent = new WeakMap();
-
-    /**
-     * @param {string} id
-     * @param {?Node} parentNode
-     * @returns {?HTMLStyleElement|HTMLLinkElement|undefined}
-     */
-    function getInjectedStylesheet(id, parentNode) {
-        if (parentNode === null) {
-            return injectedStylesheets.get(id);
-        }
-        const map = injectedStylesheetsWithParent.get(parentNode);
-        return typeof map !== 'undefined' ? map.get(id) : void 0;
-    }
-
-    /**
-     * @param {string} id
-     * @param {?Node} parentNode
-     * @param {?HTMLStyleElement|HTMLLinkElement} value
-     */
-    function setInjectedStylesheet(id, parentNode, value) {
-        if (parentNode === null) {
-            injectedStylesheets.set(id, value);
-            return;
-        }
-        let map = injectedStylesheetsWithParent.get(parentNode);
-        if (typeof map === 'undefined') {
-            map = new Map();
-            injectedStylesheetsWithParent.set(parentNode, map);
-        }
-        map.set(id, value);
-    }
-
-    /**
-     * @param {string} id
-     * @param {'code'|'file'|'file-content'} type
-     * @param {string} value
-     * @param {boolean} [useWebExtensionApi]
-     * @param {?Node} [parentNode]
-     * @returns {Promise<?HTMLStyleElement|HTMLLinkElement>}
-     * @throws {Error}
-     */
-    async function loadStyle(id, type, value, useWebExtensionApi = false, parentNode = null) {
-        if (useWebExtensionApi && yomitan.isExtensionUrl(window.location.href)) {
-            // Permissions error will occur if trying to use the WebExtension API to inject into an extension page
-            useWebExtensionApi = false;
-        }
-
-        let styleNode = getInjectedStylesheet(id, parentNode);
-        if (typeof styleNode !== 'undefined') {
-            if (styleNode === null) {
-                // Previously injected via WebExtension API
-                throw new Error(`Stylesheet with id ${id} has already been injected using the WebExtension API`);
-            }
-        } else {
-            styleNode = null;
-        }
-
-        if (type === 'file-content') {
-            value = await yomitan.api.getStylesheetContent(value);
-            type = 'code';
-            useWebExtensionApi = false;
-        }
-
-        if (useWebExtensionApi) {
-            // Inject via WebExtension API
-            if (styleNode !== null && styleNode.parentNode !== null) {
-                styleNode.parentNode.removeChild(styleNode);
-            }
-
-            setInjectedStylesheet(id, parentNode, null);
-            await yomitan.api.injectStylesheet(type, value);
-            return null;
-        }
-
-        // Create node in document
-        let parentNode2 = parentNode;
-        if (parentNode2 === null) {
-            parentNode2 = document.head;
-            if (parentNode2 === null) {
-                throw new Error('No parent node');
-            }
-        }
-
-        // Create or reuse node
-        const isFile = (type === 'file');
-        const tagName = isFile ? 'link' : 'style';
-        if (styleNode === null || styleNode.nodeName.toLowerCase() !== tagName) {
-            if (styleNode !== null && styleNode.parentNode !== null) {
-                styleNode.parentNode.removeChild(styleNode);
-            }
-            styleNode = document.createElement(tagName);
-        }
-
-        // Update node style
-        if (isFile) {
-            /** @type {HTMLLinkElement} */ (styleNode).rel = 'stylesheet';
-            /** @type {HTMLLinkElement} */ (styleNode).href = value;
-        } else {
-            styleNode.textContent = value;
-        }
-
-        // Update parent
-        if (styleNode.parentNode !== parentNode2) {
-            parentNode2.appendChild(styleNode);
-        }
-
-        // Add to map
-        setInjectedStylesheet(id, parentNode, styleNode);
-        return styleNode;
-    }
-
-    /**
-     * @param {string[]} urls
-     * @returns {Promise<void>}
-     */
-    function loadScripts(urls) {
-        return new Promise((resolve, reject) => {
-            const parent = document.body;
-            if (parent === null) {
-                reject(new Error('Missing body'));
-                return;
-            }
-
-            for (const url of urls) {
-                const node = parent.querySelector(`script[src='${escapeCSSAttribute(url)}']`);
-                if (node !== null) { continue; }
-
-                const script = document.createElement('script');
-                script.type = 'module';
-                script.async = false;
-                script.src = url;
-                parent.appendChild(script);
-            }
-
-            loadScriptSentinel(parent, resolve, reject);
-        });
-    }
-
-    /**
-     * @param {HTMLElement} parent
-     * @param {() => void} resolve
-     * @param {(reason?: unknown) => void} reject
-     */
-    function loadScriptSentinel(parent, resolve, reject) {
-        const script = document.createElement('script');
-
-        const sentinelEventName = 'dynamicLoaderSentinel';
-        /**
-         * @param {import('dynamic-loader').DynamicLoaderSentinelDetails} e
-         */
-        const sentinelEventCallback = (e) => {
-            if (e.scriptUrl !== script.src) { return; }
-            yomitan.off(sentinelEventName, sentinelEventCallback);
-            parent.removeChild(script);
-            resolve();
-        };
-        yomitan.on(sentinelEventName, sentinelEventCallback);
-
-        try {
-            script.type = 'module';
-            script.async = false;
-            script.src = '/js/script/dynamic-loader-sentinel.js';
-            parent.appendChild(script);
-        } catch (e) {
-            yomitan.off(sentinelEventName, sentinelEventCallback);
-            reject(e);
-        }
-    }
-
-    /**
-     * @param {string} value
-     * @returns {string}
-     */
-    function escapeCSSAttribute(value) {
-        return value.replace(/['\\]/g, (character) => `\\${character}`);
-    }
-
-
-    return {
-        loadStyle,
-        loadScripts
-    };
-})();