diff --git a/core.json b/core.json new file mode 100644 index 0000000..b6695c8 --- /dev/null +++ b/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 +} diff --git a/index.js b/index.js index 0da34ea..f5a69cf 100644 --- a/index.js +++ b/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]); +}; diff --git a/package.json b/package.json index f6b9074..5044217 100644 --- a/package.json +++ b/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" + } }