v2 implementation

core.json

@@ -0,0 +1,79 @@
+{
+    "assert": true,
+    "assert/strict": ">= 15",
+    "async_hooks": ">= 8",
+    "buffer_ieee754": "< 0.9.7",
+    "buffer": true,
+    "child_process": true,
+    "cluster": true,
+    "console": true,
+    "constants": true,
+    "crypto": true,
+    "_debug_agent": ">= 1 && < 8",
+    "_debugger": "< 8",
+    "dgram": true,
+    "dns": true,
+    "dns/promises": ">= 15",
+    "domain": true,
+    "events": true,
+    "freelist": "< 6",
+    "fs": true,
+    "fs/promises": [">= 10 && < 10.1", ">= 14"],
+    "_http_agent": ">= 0.11.1",
+    "_http_client": ">= 0.11.1",
+    "_http_common": ">= 0.11.1",
+    "_http_incoming": ">= 0.11.1",
+    "_http_outgoing": ">= 0.11.1",
+    "_http_server": ">= 0.11.1",
+    "http": true,
+    "http2": ">= 8.8",
+    "https": true,
+    "inspector": ">= 8.0.0",
+    "_linklist": "< 8",
+    "module": true,
+    "net": true,
+    "node-inspect/lib/_inspect": ">= 7.6.0 && < 12",
+    "node-inspect/lib/internal/inspect_client": ">= 7.6.0 && < 12",
+    "node-inspect/lib/internal/inspect_repl": ">= 7.6.0 && < 12",
+    "os": true,
+    "path": true,
+    "perf_hooks": ">= 8.5",
+    "process": ">= 1",
+    "punycode": true,
+    "querystring": true,
+    "readline": true,
+    "repl": true,
+    "smalloc": ">= 0.11.5 && < 3",
+    "_stream_duplex": ">= 0.9.4",
+    "_stream_transform": ">= 0.9.4",
+    "_stream_wrap": ">= 1.4.1",
+    "_stream_passthrough": ">= 0.9.4",
+    "_stream_readable": ">= 0.9.4",
+    "_stream_writable": ">= 0.9.4",
+    "stream": true,
+    "stream/promises": ">= 15",
+    "string_decoder": true,
+    "sys": true,
+    "timers": true,
+    "timers/promises": ">= 15",
+    "_tls_common": ">= 0.11.13",
+    "_tls_legacy": ">= 0.11.3 && < 10",
+    "_tls_wrap": ">= 0.11.3",
+    "tls": true,
+    "trace_events": ">= 10",
+    "tty": true,
+    "url": true,
+    "util": true,
+    "v8/tools/arguments": ">= 10 && < 12",
+    "v8/tools/codemap": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
+    "v8/tools/consarray": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
+    "v8/tools/csvparser": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
+    "v8/tools/logreader": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
+    "v8/tools/profile_view": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
+    "v8/tools/splaytree": [">= 4.4.0 && < 5", ">= 5.2.0 && < 12"],
+    "v8": ">= 1",
+    "vm": true,
+    "wasi": ">= 13.4 && < 13.5",
+    "worker_threads": ">= 11.7",
+    "zlib": true
+}

index.js

@@ -1,3 +1,69 @@
-module.exports = function(packageName) {
-  return !!~Object.keys(process.binding('natives')).indexOf(packageName);
+'use strict';
+
+var has = require('has');
+
+function specifierIncluded(current, specifier) {
+	var nodeParts = current.split('.');
+	var parts = specifier.split(' ');
+	var op = parts.length > 1 ? parts[0] : '=';
+	var versionParts = (parts.length > 1 ? parts[1] : parts[0]).split('.');
+
+	for (var i = 0; i < 3; ++i) {
+		var cur = parseInt(nodeParts[i] || 0, 10);
+		var ver = parseInt(versionParts[i] || 0, 10);
+		if (cur === ver) {
+			continue; // eslint-disable-line no-restricted-syntax, no-continue
+		}
+		if (op === '<') {
+			return cur < ver;
+		}
+		if (op === '>=') {
+			return cur >= ver;
+		}
+		return false;
+	}
+	return op === '>=';
 }
+
+function matchesRange(current, range) {
+	var specifiers = range.split(/ ?&& ?/);
+	if (specifiers.length === 0) {
+		return false;
+	}
+	for (var i = 0; i < specifiers.length; ++i) {
+		if (!specifierIncluded(current, specifiers[i])) {
+			return false;
+		}
+	}
+	return true;
+}
+
+function versionIncluded(nodeVersion, specifierValue) {
+	if (typeof specifierValue === 'boolean') {
+		return specifierValue;
+	}
+
+	var current = typeof nodeVersion === 'undefined'
+		? process.versions && process.versions.node && process.versions.node
+		: nodeVersion;
+
+	if (typeof current !== 'string') {
+		throw new TypeError(typeof nodeVersion === 'undefined' ? 'Unable to determine current node version' : 'If provided, a valid node version is required');
+	}
+
+	if (specifierValue && typeof specifierValue === 'object') {
+		for (var i = 0; i < specifierValue.length; ++i) {
+			if (matchesRange(current, specifierValue[i])) {
+				return true;
+			}
+		}
+		return false;
+	}
+	return matchesRange(current, specifierValue);
+}
+
+var data = require('./core.json');
+
+module.exports = function isCore(x, nodeVersion) {
+	return has(data, x) && versionIncluded(nodeVersion, data[x]);
+};

package.json

@@ -35,5 +35,8 @@
 	"bugs": {
 		"url": "https://github.com/inspect-js/is-core-module/issues"
 	},
-	"homepage": "https://github.com/inspect-js/is-core-module"
+	"homepage": "https://github.com/inspect-js/is-core-module",
+	"dependencies": {
+		"has": "^1.0.3"
+	}
 }