c9562ddb82Adds the node:vfs builtin module with VirtualFileSystem and provider classes. No integration with fs, modules, or SEA. Assisted-by: Claude-Opus4.7 Signed-off-by: Matteo Collina <hello@matteocollina.com> PR-URL: https://github.com/nodejs/node/pull/63115 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Paolo Insogna <paolo@cowtech.it> Reviewed-By: Robert Nagy <ronagy@icloud.com> Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
29 lines
735 B
JavaScript
29 lines
735 B
JavaScript
// Flags: --experimental-vfs
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'use strict';
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// VFS stream constructors must validate start/end synchronously.
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require('../common');
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const assert = require('assert');
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const vfs = require('node:vfs');
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const myVfs = vfs.create();
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myVfs.writeFileSync('/file.txt', 'abc');
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// ReadStream: start > end must throw ERR_OUT_OF_RANGE synchronously
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assert.throws(
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() => myVfs.createReadStream('/file.txt', { start: 2, end: 1 }),
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{ code: 'ERR_OUT_OF_RANGE' },
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);
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// ReadStream: negative start
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assert.throws(
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() => myVfs.createReadStream('/file.txt', { start: -1 }),
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{ code: 'ERR_OUT_OF_RANGE' },
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);
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// ReadStream: negative end
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assert.throws(
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() => myVfs.createReadStream('/file.txt', { end: -1 }),
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{ code: 'ERR_OUT_OF_RANGE' },
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);
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