mirror of https://github.com/nodejs/node.git
49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
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'use strict';
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const assert = require('assert');
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const fixtures = require('../common/fixtures');
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const tmpdir = require('../common/tmpdir');
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const fs = require('fs');
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const path = require('path');
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const common = require('../common');
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const { WASI } = require('wasi');
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function returnOnExitEnvToValue(env) {
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const envValue = env.RETURN_ON_EXIT;
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if (envValue === undefined) {
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return undefined;
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}
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return envValue === 'true';
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}
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common.expectWarning('ExperimentalWarning',
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'WASI is an experimental feature and might change at any time');
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tmpdir.refresh();
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const wasmDir = path.join(__dirname, '..', 'wasi', 'wasm');
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const wasiPreview1 = new WASI({
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version: 'preview1',
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args: ['foo', '-bar', '--baz=value'],
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env: process.env,
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preopens: {
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'/sandbox': fixtures.path('wasi'),
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'/tmp': tmpdir.path,
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},
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returnOnExit: returnOnExitEnvToValue(process.env),
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});
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// Validate the getImportObject helper
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assert.strictEqual(wasiPreview1.wasiImport,
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wasiPreview1.getImportObject().wasi_snapshot_preview1);
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const modulePathPreview1 = path.join(wasmDir, `${process.argv[2]}.wasm`);
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const bufferPreview1 = fs.readFileSync(modulePathPreview1);
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(async () => {
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const { instance: instancePreview1 } =
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await WebAssembly.instantiate(bufferPreview1,
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wasiPreview1.getImportObject());
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wasiPreview1.start(instancePreview1);
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})().then(common.mustCall());
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