diff options
Diffstat (limited to 'ext/js/script')
| -rw-r--r-- | ext/js/script/dynamic-loader-sentinel.js | 21 | ||||
| -rw-r--r-- | ext/js/script/dynamic-loader.js | 208 | 
2 files changed, 0 insertions, 229 deletions
diff --git a/ext/js/script/dynamic-loader-sentinel.js b/ext/js/script/dynamic-loader-sentinel.js deleted file mode 100644 index d77f3cb0..00000000 --- a/ext/js/script/dynamic-loader-sentinel.js +++ /dev/null @@ -1,21 +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'; - -yomitan.trigger('dynamicLoaderSentinel', /** @type {import('dynamic-loader').DynamicLoaderSentinelDetails} */ ({scriptUrl: import.meta.url})); 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 -    }; -})();  |