51 lines
1.8 KiB
TypeScript
51 lines
1.8 KiB
TypeScript
/*
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This file is part of GNU Taler
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(C) 2021 Taler Systems S.A.
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GNU Taler is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* Imports.
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*/
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import path from "path";
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import fs from "fs";
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/**
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* Resolve an asset name into an absolute filename.
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*
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* The asset file should be placed in the "assets" directory
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* at the top level of the package (i.e. next to package.json).
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*/
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export function resolveAsset(name: string): string {
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const n = __filename;
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const d = __dirname;
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let assetPath: string;
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// Currently both asset paths are the same.
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// This might change if the file that contains "resolveAsset"
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// ever moves. Thus, we're keeping the case distinction.
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if (n.endsWith("assets.js")) {
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// We're not bundled. Path is relative to the current file.
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assetPath = path.resolve(path.join(d, "..", "assets", name));
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} else if (n.endsWith("taler-wallet-cli.js")) {
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// We're bundled. Currently, this path is the same
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// FIXME: Take into account some ASSETS environment variable?
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assetPath = path.resolve(path.join(d, "..", "assets", name));
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} else {
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throw Error("Can't resolve asset (unknown)");
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}
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if (!fs.existsSync(assetPath)) {
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throw Error(`Asset '${name} not found'`);
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}
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return assetPath;
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}
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