index.js
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'use strict';
var test = require('tape');
var keys = require('object-keys');
var semver = require('semver');
var isCore = require('../');
var data = require('../core.json');
var supportsNodePrefix = semver.satisfies(process.versions.node, '>= 16');
test('core modules', function (t) {
t.test('isCore()', function (st) {
st.ok(isCore('fs'));
st.ok(isCore('net'));
st.ok(isCore('http'));
st.ok(!isCore('seq'));
st.ok(!isCore('../'));
st.ok(!isCore('toString'));
st.end();
});
t.test('core list', function (st) {
var cores = keys(data);
st.plan(cores.length);
for (var i = 0; i < cores.length; ++i) {
var mod = cores[i];
var requireFunc = function () { require(mod); }; // eslint-disable-line no-loop-func
if (isCore(mod)) {
st.doesNotThrow(requireFunc, mod + ' supported; requiring does not throw');
} else {
st['throws'](requireFunc, mod + ' not supported; requiring throws');
}
}
st.end();
});
t.test('core via repl module', { skip: !data.repl }, function (st) {
var libs = require('repl')._builtinLibs; // eslint-disable-line no-underscore-dangle
if (!libs) {
st.skip('module.builtinModules does not exist');
} else {
for (var i = 0; i < libs.length; ++i) {
var mod = libs[i];
st.ok(data[mod], mod + ' is a core module');
st.doesNotThrow(
function () { require(mod); }, // eslint-disable-line no-loop-func
'requiring ' + mod + ' does not throw'
);
if (supportsNodePrefix) {
st.doesNotThrow(
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' does not throw'
);
} else {
st['throws'](
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' throws'
);
}
}
}
st.end();
});
t.test('core via builtinModules list', { skip: !data.module }, function (st) {
var libs = require('module').builtinModules;
if (!libs) {
st.skip('module.builtinModules does not exist');
} else {
var excludeList = [
'_debug_agent',
'v8/tools/tickprocessor-driver',
'v8/tools/SourceMap',
'v8/tools/tickprocessor',
'v8/tools/profile'
];
for (var i = 0; i < libs.length; ++i) {
var mod = libs[i];
if (excludeList.indexOf(mod) === -1) {
st.ok(data[mod], mod + ' is a core module');
st.doesNotThrow(
function () { require(mod); }, // eslint-disable-line no-loop-func
'requiring ' + mod + ' does not throw'
);
if (supportsNodePrefix) {
st.doesNotThrow(
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' does not throw'
);
} else {
st['throws'](
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' throws'
);
}
}
}
}
st.end();
});
t.end();
});