82 lines
2.5 KiB
TypeScript
82 lines
2.5 KiB
TypeScript
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/* eslint-disable header/header */
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/*!
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* BetterDiscord addon meta parser
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* Copyright 2023 BetterDiscord contributors
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* Copyright 2023 Vendicated and Vencord contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const splitRegex = /[^\S\r\n]*?\r?(?:\r\n|\n)[^\S\r\n]*?\*[^\S\r\n]?/;
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const escapedAtRegex = /^\\@/;
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export interface UserThemeHeader {
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fileName: string;
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name: string;
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author: string;
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description: string;
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version?: string;
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license?: string;
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source?: string;
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website?: string;
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invite?: string;
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}
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function makeHeader(fileName: string, opts: Partial<UserThemeHeader> = {}): UserThemeHeader {
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return {
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fileName,
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name: opts.name ?? fileName.replace(/\.css$/i, ""),
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author: opts.author ?? "Unknown Author",
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description: opts.description ?? "A Discord Theme.",
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version: opts.version,
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license: opts.license,
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source: opts.source,
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website: opts.website,
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invite: opts.invite
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};
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}
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export function stripBOM(fileContent: string) {
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if (fileContent.charCodeAt(0) === 0xFEFF) {
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fileContent = fileContent.slice(1);
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}
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return fileContent;
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}
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export function getThemeInfo(css: string, fileName: string): UserThemeHeader {
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if (!css) return makeHeader(fileName);
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const block = css.split("/**", 2)?.[1]?.split("*/", 1)?.[0];
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if (!block) return makeHeader(fileName);
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const header: Partial<UserThemeHeader> = {};
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let field = "";
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let accum = "";
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for (const line of block.split(splitRegex)) {
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if (line.length === 0) continue;
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if (line.charAt(0) === "@" && line.charAt(1) !== " ") {
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header[field] = accum.trim();
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const l = line.indexOf(" ");
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field = line.substring(1, l);
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accum = line.substring(l + 1);
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}
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else {
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accum += " " + line.replace("\\n", "\n").replace(escapedAtRegex, "@");
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}
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}
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header[field] = accum.trim();
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delete header[""];
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return makeHeader(fileName, header);
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}
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