87 lines
2.3 KiB
TypeScript
87 lines
2.3 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import * as fs from 'node:fs';
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import * as path from 'node:path';
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async function fileExists(filePath: string): Promise<boolean> {
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try {
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await fs.promises.access(filePath);
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return true;
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} catch {
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return false;
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}
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}
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async function traverseDir(dir: string, callback: (filePath: string) => Promise<void>): Promise<void> {
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const entries = await fs.promises.readdir(dir, {withFileTypes: true});
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await Promise.all(
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entries.map(async (entry) => {
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const entryPath = path.join(dir, entry.name);
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if (entry.isDirectory()) {
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await traverseDir(entryPath, callback);
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return;
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}
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await callback(entryPath);
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}),
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);
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}
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export async function cleanEmptySourceMaps(dir: string): Promise<void> {
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if (!(await fileExists(dir))) {
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return;
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}
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await traverseDir(dir, async (filePath) => {
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if (!filePath.endsWith('.js.map')) {
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return;
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}
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let parsed: unknown;
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try {
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const raw = await fs.promises.readFile(filePath, 'utf-8');
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parsed = JSON.parse(raw);
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} catch {
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return;
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}
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if (typeof parsed !== 'object' || parsed === null) {
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return;
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}
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const sources = (parsed as {sources?: Array<unknown>}).sources ?? [];
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if (Array.isArray(sources) && sources.length > 0) {
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return;
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}
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await fs.promises.rm(filePath, {force: true});
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const jsPath = filePath.slice(0, -4);
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if (!(await fileExists(jsPath))) {
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return;
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}
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const jsContent = await fs.promises.readFile(jsPath, 'utf-8');
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const cleaned = jsContent.replace(/(?:\r?\n)?\/\/# sourceMappingURL=.*$/, '');
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if (cleaned !== jsContent) {
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await fs.promises.writeFile(jsPath, cleaned);
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}
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});
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}
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