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repl: check for NODE_REPL_EXTERNAL_MODULE · nodejs/node@7fc6984 · GitHub

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Commit 7fc6984

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devsnek
authored and
BethGriggs
committed
repl: check for NODE_REPL_EXTERNAL_MODULE
PR-URL: #29778 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
1 parent d6e69fb commit 7fc6984

5 files changed

Lines changed: 62 additions & 30 deletions

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‎doc/api/cli.md‎

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@@ -1178,6 +1178,14 @@ Path to the file used to store the persistent REPL history. The default path is
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`~/.node_repl_history`, which is overridden by this variable. Setting the value
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to an empty string (`''` or `' '`) disables persistent REPL history.
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### `NODE_REPL_EXTERNAL_MODULE=file`
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<!-- YAML
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added: REPLACEME
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-->
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Path to a Node.js module which will be loaded in place of the built-in REPL.
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Overriding this value to an empty string (`''`) will use the built-in REPL.
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### `NODE_TLS_REJECT_UNAUTHORIZED=value`
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If `value` equals `'0'`, certificate validation is disabled for TLS connections.

‎lib/internal/main/repl.js‎

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@@ -19,38 +19,44 @@ prepareMainThreadExecution();
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markBootstrapComplete();
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// --input-type flag not supported in REPL
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if (getOptionValue('--input-type')) {
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// If we can't write to stderr, we'd like to make this a noop,
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// so use console.error.
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console.error('Cannot specify --input-type for REPL');
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process.exit(1);
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}
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if (process.env.NODE_REPL_EXTERNAL_MODULE) {
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require('internal/modules/cjs/loader')
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.Module
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._load(process.env.NODE_REPL_EXTERNAL_MODULE, undefined, true);
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} else {
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// --input-type flag not supported in REPL
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if (getOptionValue('--input-type')) {
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// If we can't write to stderr, we'd like to make this a noop,
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// so use console.error.
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console.error('Cannot specify --input-type for REPL');
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process.exit(1);
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}
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console.log(`Welcome to Node.js ${process.version}.\n` +
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'Type ".help" for more information.');
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console.log(`Welcome to Node.js ${process.version}.\n` +
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'Type ".help" for more information.');
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const cliRepl = require('internal/repl');
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cliRepl.createInternalRepl(process.env, (err, repl) => {
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if (err) {
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throw err;
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}
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repl.on('exit', () => {
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if (repl._flushing) {
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repl.pause();
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return repl.once('flushHistory', () => {
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process.exit();
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});
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const cliRepl = require('internal/repl');
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cliRepl.createInternalRepl(process.env, (err, repl) => {
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if (err) {
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throw err;
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}
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process.exit();
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repl.on('exit', () => {
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if (repl._flushing) {
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repl.pause();
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return repl.once('flushHistory', () => {
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process.exit();
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});
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}
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process.exit();
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});
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});
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});
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// If user passed '-e' or '--eval' along with `-i` or `--interactive`,
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// evaluate the code in the current context.
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if (getOptionValue('[has_eval_string]')) {
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evalScript('[eval]',
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getOptionValue('--eval'),
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getOptionValue('--inspect-brk'),
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getOptionValue('--print'));
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// If user passed '-e' or '--eval' along with `-i` or `--interactive`,
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// evaluate the code in the current context.
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if (getOptionValue('[has_eval_string]')) {
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evalScript('[eval]',
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getOptionValue('--eval'),
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getOptionValue('--inspect-brk'),
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getOptionValue('--print'));
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}
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}

‎test/fixtures/external-repl-module.js‎

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'use strict';
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console.log('42');

‎test/pseudo-tty/test-repl-external-module.js‎

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'use strict';
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require('../common');
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const fixtures = require('../common/fixtures');
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const { execSync } = require('child_process');
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execSync(process.execPath, {
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encoding: 'utf8',
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stdio: 'inherit',
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env: {
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...process.env,
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NODE_REPL_EXTERNAL_MODULE: fixtures.path('external-repl-module.js'),
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},
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});

‎test/pseudo-tty/test-repl-external-module.out‎

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42

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