68 lines
1.7 KiB
JavaScript
68 lines
1.7 KiB
JavaScript
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'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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prepareMainThreadExecution
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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 { pathToFileURL } = require('url');
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const {
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Module: {
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_resolveFilename: resolveCJSModuleName,
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},
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wrapSafe,
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} = require('internal/modules/cjs/loader');
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// TODO(joyeecheung): not every one of these are necessary
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prepareMainThreadExecution(true);
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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 = resolveCJSModuleName(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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markBootstrapComplete();
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checkSyntax(source, filename);
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} else {
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markBootstrapComplete();
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readStdin((code) => {
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checkSyntax(code, '[stdin]');
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});
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}
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function checkSyntax(source, filename) {
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const { getOptionValue } = require('internal/options');
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let isModule = false;
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if (filename === '[stdin]' || filename === '[eval]') {
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isModule = getOptionValue('--input-type') === 'module';
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} else {
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const { defaultResolve } = require('internal/modules/esm/resolve');
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const { defaultGetFormat } = require('internal/modules/esm/get_format');
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const { url } = defaultResolve(pathToFileURL(filename).toString());
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const { format } = defaultGetFormat(url);
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isModule = format === 'module';
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}
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if (isModule) {
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const { ModuleWrap } = internalBinding('module_wrap');
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new ModuleWrap(filename, undefined, source, 0, 0);
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return;
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}
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wrapSafe(filename, source);
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}
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