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repl: add auto‑completion for dynamic import calls
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| 'use strict'; | ||
|
|
||
| const common = require('../common'); | ||
| const ArrayStream = require('../common/arraystream'); | ||
| const fixtures = require('../common/fixtures'); | ||
| const assert = require('assert'); | ||
| const { builtinModules } = require('module'); | ||
| const publicModules = builtinModules.filter( | ||
| (lib) => !lib.startsWith('_') && !lib.includes('/'), | ||
| ); | ||
|
|
||
| if (!common.isMainThread) | ||
| common.skip('process.chdir is not available in Workers'); | ||
|
|
||
| // We have to change the directory to ../fixtures before requiring repl | ||
| // in order to make the tests for completion of node_modules work properly | ||
| // since repl modifies module.paths. | ||
| process.chdir(fixtures.fixturesDir); | ||
|
|
||
| const repl = require('repl'); | ||
|
|
||
| const putIn = new ArrayStream(); | ||
| const testMe = repl.start({ | ||
| prompt: '', | ||
| input: putIn, | ||
| output: process.stdout, | ||
| allowBlockingCompletions: true | ||
| }); | ||
|
|
||
| // Some errors are passed to the domain, but do not callback | ||
| testMe._domain.on('error', assert.ifError); | ||
|
|
||
| // Tab complete provides built in libs for import() | ||
| testMe.complete('import(\'', common.mustCall((error, data) => { | ||
| assert.strictEqual(error, null); | ||
| publicModules.forEach((lib) => { | ||
| assert( | ||
| data[0].includes(lib) && data[0].includes(`node:${lib}`), | ||
| `${lib} not found`, | ||
| ); | ||
| }); | ||
| const newModule = 'foobar'; | ||
| assert(!builtinModules.includes(newModule)); | ||
| repl.builtinModules.push(newModule); | ||
| testMe.complete('import(\'', common.mustCall((_, [modules]) => { | ||
| assert.strictEqual(data[0].length + 1, modules.length); | ||
| assert(modules.includes(newModule) && | ||
| !modules.includes(`node:${newModule}`)); | ||
| })); | ||
| })); | ||
|
|
||
| testMe.complete("import\t( 'n", common.mustCall((error, data) => { | ||
| assert.strictEqual(error, null); | ||
| assert.strictEqual(data.length, 2); | ||
| assert.strictEqual(data[1], 'n'); | ||
| const completions = data[0]; | ||
| // import(...) completions include `node:` URL modules: | ||
| publicModules.forEach((lib, index) => | ||
| assert.strictEqual(completions[index], `node:${lib}`)); | ||
| assert.strictEqual(completions[publicModules.length], ''); | ||
| // There is only one Node.js module that starts with n: | ||
| assert.strictEqual(completions[publicModules.length + 1], 'net'); | ||
| assert.strictEqual(completions[publicModules.length + 2], ''); | ||
| // It's possible to pick up non-core modules too | ||
| completions.slice(publicModules.length + 3).forEach((completion) => { | ||
| assert.match(completion, /^n/); | ||
| }); | ||
| })); | ||
|
|
||
| { | ||
| const expected = ['@nodejsscope', '@nodejsscope/']; | ||
| // Import calls should handle all types of quotation marks. | ||
| for (const quotationMark of ["'", '"', '`']) { | ||
| putIn.run(['.clear']); | ||
| testMe.complete('import(`@nodejs', common.mustCall((err, data) => { | ||
| assert.strictEqual(err, null); | ||
| assert.deepStrictEqual(data, [expected, '@nodejs']); | ||
| })); | ||
|
|
||
| putIn.run(['.clear']); | ||
| // Completions should not be greedy in case the quotation ends. | ||
| const input = `import(${quotationMark}@nodejsscope${quotationMark}`; | ||
| testMe.complete(input, common.mustCall((err, data) => { | ||
| assert.strictEqual(err, null); | ||
| assert.deepStrictEqual(data, [[], undefined]); | ||
| })); | ||
| } | ||
| } | ||
|
|
||
| { | ||
| putIn.run(['.clear']); | ||
| // Completions should find modules and handle whitespace after the opening | ||
| // bracket. | ||
| testMe.complete('import \t("no_ind', common.mustCall((err, data) => { | ||
| assert.strictEqual(err, null); | ||
| assert.deepStrictEqual(data, [['no_index', 'no_index/'], 'no_ind']); | ||
| })); | ||
| } | ||
|
|
||
| // Test tab completion for import() relative to the current directory | ||
| { | ||
| putIn.run(['.clear']); | ||
|
|
||
| const cwd = process.cwd(); | ||
| process.chdir(__dirname); | ||
|
|
||
| ['import(\'.', 'import(".'].forEach((input) => { | ||
| testMe.complete(input, common.mustCall((err, data) => { | ||
| assert.strictEqual(err, null); | ||
| assert.strictEqual(data.length, 2); | ||
| assert.strictEqual(data[1], '.'); | ||
| assert.strictEqual(data[0].length, 2); | ||
| assert.ok(data[0].includes('./')); | ||
| assert.ok(data[0].includes('../')); | ||
| })); | ||
| }); | ||
|
|
||
| ['import(\'..', 'import("..'].forEach((input) => { | ||
| testMe.complete(input, common.mustCall((err, data) => { | ||
| assert.strictEqual(err, null); | ||
| assert.deepStrictEqual(data, [['../'], '..']); | ||
| })); | ||
| }); | ||
|
|
||
| ['./', './test-'].forEach((path) => { | ||
| [`import('${path}`, `import("${path}`].forEach((input) => { | ||
| testMe.complete(input, common.mustCall((err, data) => { | ||
| assert.strictEqual(err, null); | ||
| assert.strictEqual(data.length, 2); | ||
| assert.strictEqual(data[1], path); | ||
| assert.ok(data[0].includes('./test-repl-tab-complete.js')); | ||
| })); | ||
| }); | ||
| }); | ||
|
|
||
| ['../parallel/', '../parallel/test-'].forEach((path) => { | ||
| [`import('${path}`, `import("${path}`].forEach((input) => { | ||
| testMe.complete(input, common.mustCall((err, data) => { | ||
| assert.strictEqual(err, null); | ||
| assert.strictEqual(data.length, 2); | ||
| assert.strictEqual(data[1], path); | ||
| assert.ok(data[0].includes('../parallel/test-repl-tab-complete.js')); | ||
| })); | ||
| }); | ||
| }); | ||
|
|
||
| { | ||
| const path = '../fixtures/repl-folder-extensions/f'; | ||
| testMe.complete(`import('${path}`, common.mustSucceed((data) => { | ||
| assert.strictEqual(data.length, 2); | ||
| assert.strictEqual(data[1], path); | ||
| assert.ok(data[0].includes( | ||
| '../fixtures/repl-folder-extensions/foo.js/')); | ||
| })); | ||
| } | ||
|
|
||
| process.chdir(cwd); | ||
| } |