Revert "process: add version constants and compare"

This reverts commit 91e0f8d.

PR-URL: #20062
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

Author: rvagg

doc/api/process.md

@@ -1482,9 +1482,6 @@ changes:
   - version: v4.2.0
     pr-url: https://github.com/nodejs/node/pull/3212
     description: The `lts` property is now supported.
-  - version: REPLACEME
-    pr-url: https://github.com/nodejs/node/pull/19587
-    description: Add SemVer properties.
 -->
 
 * {Object}
@@ -1513,10 +1510,6 @@ tarball.
   - `'Argon'` for the 4.x LTS line beginning with 4.2.0.
   - `'Boron'` for the 6.x LTS line beginning with 6.9.0.
   - `'Carbon'` for the 8.x LTS line beginning with 8.9.1.
-* `majorVersion` {number} The major version of this release.
-* `minorVersion` {number} The minor version of this release.
-* `patchVersion` {number} The patch version of this release.
-* `prereleaseTag` {string} The SemVer pre-release tag for Node.js.
 
 <!-- eslint-skip -->
 ```js
@@ -1525,34 +1518,13 @@ tarball.
   lts: 'Argon',
   sourceUrl: 'https://nodejs.org/download/release/v4.4.5/node-v4.4.5.tar.gz',
   headersUrl: 'https://nodejs.org/download/release/v4.4.5/node-v4.4.5-headers.tar.gz',
-  libUrl: 'https://nodejs.org/download/release/v4.4.5/win-x64/node.lib',
-  majorVersion: 4,
-  minorVersion: 4,
-  patchVersion: 5,
-  prereleaseTag: '',
-  compareVersion: [Function: compareVersion]
+  libUrl: 'https://nodejs.org/download/release/v4.4.5/win-x64/node.lib'
 }
 ```
 
-
 In custom builds from non-release versions of the source tree, only the
-`name` property and SemVer properties may be present. The additional properties
-should not be relied upon to exist.
-
-## process.release.compareVersion(major, minor, patch[, tag])
-<!-- YAML
-added: REPLACEME
--->
-
-Perform a SemVer comparison to the release version.
-
-* `major` {number} The major version to compare.
-* `minor` {number} The minor version to compare.
-* `patch` {number} The patch version to compare.
-* `tag` {string} The pre-release tag to compare.
-* Returns: {number} `1` if the given version is lower than the current release
-  version, `0` if the given version matches the process version, and `-1`
-  if the given version is greater than the release version.
+`name` property may be present. The additional properties should not be
+relied upon to exist.
 
 ## process.send(message[, sendHandle[, options]][, callback])
 <!-- YAML

lib/internal/bootstrap/node.js

@@ -35,7 +35,6 @@
     setupGlobalVariables();
 
     const _process = NativeModule.require('internal/process');
-    _process.setupCompareVersion();
     _process.setupConfig(NativeModule._source);
     _process.setupSignalHandlers();
     _process.setupUncaughtExceptionCapture(exceptionHandlerState);

lib/internal/process.js

@@ -283,47 +283,6 @@ function setupUncaughtExceptionCapture(exceptionHandlerState) {
   };
 }
 
-function setupCompareVersion() {
-  const {
-    majorVersion,
-    minorVersion,
-    patchVersion,
-    prereleaseTag,
-  } = process.release;
-
-  process.release.compareVersion = (major, minor, patch, tag) => {
-    if (typeof major !== 'number')
-      throw new ERR_INVALID_ARG_TYPE('major', 'number', major);
-    if (typeof minor !== 'number')
-      throw new ERR_INVALID_ARG_TYPE('minor', 'number', minor);
-    if (typeof patch !== 'number')
-      throw new ERR_INVALID_ARG_TYPE('patch', 'number', patch);
-    if (tag !== undefined && typeof tag !== 'string')
-      throw new ERR_INVALID_ARG_TYPE('tag', 'string', tag);
-
-    if (major > majorVersion)
-      return -1;
-    if (major < majorVersion)
-      return 1;
-
-    if (minor > minorVersion)
-      return -1;
-    if (minor < minorVersion)
-      return 1;
-
-    if (patch > patchVersion)
-      return -1;
-    if (patch < patchVersion)
-      return 1;
-    if (prereleaseTag)
-      return prereleaseTag === tag ? 0 : 1;
-    if (tag)
-      return -1;
-
-    return 0;
-  };
-}
-
 module.exports = {
   setup_performance,
   setup_cpuUsage,
@@ -334,6 +293,5 @@ module.exports = {
   setupSignalHandlers,
   setupChannel,
   setupRawDebug,
-  setupUncaughtExceptionCapture,
-  setupCompareVersion,
+  setupUncaughtExceptionCapture
 };

src/node.cc

@@ -3017,17 +3017,6 @@ void SetupProcessObject(Environment* env,
   READONLY_PROPERTY(release, "name",
                     OneByteString(env->isolate(), NODE_RELEASE));
 
-  READONLY_PROPERTY(release, "majorVersion",
-      Integer::New(env->isolate(), NODE_MAJOR_VERSION));
-  READONLY_PROPERTY(release, "minorVersion",
-      Integer::New(env->isolate(), NODE_MINOR_VERSION));
-  READONLY_PROPERTY(release, "patchVersion",
-      Integer::New(env->isolate(), NODE_PATCH_VERSION));
-  std::string node_tag(NODE_TAG);
-  READONLY_PROPERTY(release, "prereleaseTag",
-      OneByteString(env->isolate(), node_tag.size() > 0 ?
-          node_tag.substr(1).c_str() : ""));
-
 #if NODE_VERSION_IS_LTS
   READONLY_PROPERTY(release, "lts",
                     OneByteString(env->isolate(), NODE_VERSION_LTS_CODENAME));

test/parallel/test-process-release.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const common = require('../common');
+require('../common');
 
 const assert = require('assert');
 const versionParts = process.versions.node.split('.');
@@ -18,40 +18,3 @@ if (versionParts[0] === '4' && versionParts[1] >= 2) {
 } else {
   assert.strictEqual(process.release.lts, undefined);
 }
-
-const {
-  majorVersion: major,
-  minorVersion: minor,
-  patchVersion: patch,
-  prereleaseTag: tag,
-  compareVersion,
-} = process.release;
-
-assert.strictEqual(compareVersion(major, minor, patch, tag), 0);
-
-assert.strictEqual(compareVersion(major + 1, minor, patch, tag), -1);
-assert.strictEqual(compareVersion(major - 1, minor, patch, tag), 1);
-
-assert.strictEqual(compareVersion(major, minor + 1, patch, tag), -1);
-assert.strictEqual(compareVersion(major, minor - 1, patch, tag), 1);
-
-assert.strictEqual(compareVersion(major, minor, patch + 1, tag), -1);
-assert.strictEqual(compareVersion(major, minor, patch - 1, tag), 1);
-
-if (tag)
-  assert.strictEqual(compareVersion(major, minor, patch), 1);
-else
-  assert.strictEqual(compareVersion(major, minor, patch, 'notrealtag'), -1);
-
-for (const args of [
-  ['', 0, 0, ''],
-  [0, '', 0, ''],
-  [0, 0, '', ''],
-  [0, 0, 0, 0],
-]) {
-  common.expectsError(() => {
-    compareVersion(...args);
-  }, {
-    code: 'ERR_INVALID_ARG_TYPE',
-  });
-}