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-rw-r--r--ext/js/script/dynamic-loader.js208
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
- };
-})();