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09a5f0252e
Since this is only necessary when user code execution is expected. PR-URL: https://github.com/nodejs/node/pull/25825 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
'use strict';
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// If user passed `-c` or `--check` arguments to Node, check its syntax
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// instead of actually running the file.
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const {
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initializeDeprecations,
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initializeClusterIPC,
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initializePolicy,
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initializeESMLoader,
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loadPreloadModules
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} = require('internal/bootstrap/pre_execution');
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const {
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readStdin
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} = require('internal/process/execution');
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const CJSModule = require('internal/modules/cjs/loader');
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const vm = require('vm');
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const {
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stripShebang, stripBOM
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} = require('internal/modules/cjs/helpers');
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// TODO(joyeecheung): not every one of these are necessary
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initializeDeprecations();
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initializeClusterIPC();
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initializePolicy();
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initializeESMLoader();
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loadPreloadModules();
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markBootstrapComplete();
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if (process.argv[1] && process.argv[1] !== '-') {
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// Expand process.argv[1] into a full path.
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const path = require('path');
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process.argv[1] = path.resolve(process.argv[1]);
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// Read the source.
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const filename = CJSModule._resolveFilename(process.argv[1]);
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const fs = require('fs');
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const source = fs.readFileSync(filename, 'utf-8');
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checkScriptSyntax(source, filename);
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} else {
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readStdin((code) => {
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checkScriptSyntax(code, '[stdin]');
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});
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}
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function checkScriptSyntax(source, filename) {
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// Remove Shebang.
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source = stripShebang(source);
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// Remove BOM.
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source = stripBOM(source);
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// Wrap it.
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source = CJSModule.wrap(source);
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// Compile the script, this will throw if it fails.
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new vm.Script(source, { displayErrors: true, filename });
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}
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