New CLI options, custom tags range and tests.

.babelrc

@@ -1,3 +1,4 @@
 {
-  "presets": ["es2015"]
+  "presets": ["es2015"],
+  "plugins": ["transform-object-rest-spread"]
 }

.eslintrc

@@ -35,6 +35,8 @@
     "indent": ["error", 2]
   },
   "env": {
+    "es6": true,
+    "jest": true,
     "node": true
   }
 }

.gitignore

@@ -1,3 +1,5 @@
 lib
 node_modules
 *.swp
+coverage
+.changelog

.npmignore

@@ -1 +1,2 @@
 src
+**/__mocks__/**

README.md

@@ -71,6 +71,28 @@ You'll need a GitHub API [personal access token](https://github.com/settings/tok
 - `repo`: Your "org/repo" on GitHub
 - `cacheDir` [optional]: A place to stash GitHub API responses to avoid throttling
 - `labels`: GitHub issue/PR labels mapped to changelog section headers
+- `ignoreCommitters` [optional]: list of commiters to ignore (exact or partial match). Useful for example to ignore commits from bot agents
+
+## CLI
+
+```bash
+$ lerna-changelog
+Usage: lerna-changelog [options]
+
+Options:
+  --tag-from  A git tag that determines the lower bound of the range of commits
+              (defaults to last available)                              [string]
+  --tag-to    A git tag that determines the upper bound of the range of commits
+                                                                        [string]
+  --version   Show version number                                      [boolean]
+  --help      Show help                                                [boolean]
+
+Examples:
+  lerna-changelog                           create a changelog for the changes
+                                            after the latest available tag
+  lerna-changelog --tag-from 0.1.0          create a changelog for the changes
+  --tag-to 0.3.0                            in all tags within the given range
+```
 
 [lerna-homepage]: https://lernajs.io
 [hzoo-profile]: https://github.com/hzoo

cli.js

@@ -1,13 +1,35 @@
 #!/usr/bin/env node
 
 var chalk = require("chalk");
-var lib = require(".");
+var Changelog = require(".").Changelog;
+var ConfigurationError = require(".").ConfigurationError;
 
-var Changelog = lib.Changelog;
-var ConfigurationError = lib.ConfigurationError;
+var argv = require("yargs")
+  .usage("Usage: lerna-changelog [options]")
+  .options({
+    "tag-from": {
+      type: "string",
+      desc: "A git tag that determines the lower bound of the range of commits (defaults to last available)"
+    },
+    "tag-to": {
+      type: "string",
+      desc: "A git tag that determines the upper bound of the range of commits"
+    }
+  })
+  .example(
+    "lerna-changelog",
+    "create a changelog for the changes after the latest available tag"
+  )
+  .example(
+    "lerna-changelog --tag-from 0.1.0 --tag-to 0.3.0",
+    "create a changelog for the changes in all tags within the given range"
+  )
+  .version()
+  .help()
+  .argv;
 
 try {
-  console.log((new Changelog()).createMarkdown());
+  console.log((new Changelog(argv)).createMarkdown());
 } catch (e) {
   if (e instanceof ConfigurationError) {
     console.log(chalk.red(e.message));

package.json

@@ -7,9 +7,10 @@
     "lerna-changelog": "cli.js"
   },
   "scripts": {
-    "build": "babel src -d lib",
+    "build": "npm run clean && babel src --out-dir lib --ignore src/__mocks__/GithubAPI.js,src/__mocks__/Changelog.js",
     "clean": "rimraf lib",
-    "test": "eslint index.js cli.js src/",
+    "lint": "eslint index.js cli.js src",
+    "test": "jest",
     "prepublish": "npm run build"
   },
   "repository": {
@@ -27,16 +28,22 @@
   },
   "homepage": "https://github.com/lerna/lerna-changelog#readme",
   "devDependencies": {
-    "babel-cli": "^6.9.0",
-    "babel-preset-es2015": "^6.9.0",
-    "eslint": "^2.10.2",
-    "rimraf": "^2.5.2"
+    "babel-cli": "^6.18.0",
+    "babel-eslint": "^7.1.1",
+    "babel-jest": "^18.0.0",
+    "babel-plugin-transform-object-rest-spread": "6.20.2",
+    "babel-preset-es2015": "^6.18.0",
+    "eslint": "^3.13.1",
+    "jest": "^18.1.0",
+    "lerna": "^2.0.0-beta.32",
+    "rimraf": "^2.5.4"
   },
   "peerDependencies": {
     "lerna": "^2.0.0-beta.8"
   },
   "dependencies": {
     "chalk": "^1.1.3",
-    "mkdirp": "^0.5.1"
+    "mkdirp": "^0.5.1",
+    "yargs": "^6.6.0"
   }
 }

src/ApiDataCache.js

@@ -4,30 +4,32 @@ import mkdirp from "mkdirp";
 import ConfigurationError from "./ConfigurationError";
 
 export default class ApiDataCache {
-  constructor(host, {rootPath, cacheDir}) {
+  constructor(host, { rootPath, cacheDir }) {
     this.host = host;
     const dir = this.dir = cacheDir && path.join(rootPath, cacheDir, host);
 
     if (dir) {
       try {
         mkdirp.sync(dir);
       } catch (e) {
-        throw new ConfigurationError(`Can't use cacheDir "${cacheDir}" (${e.message})`);
+        throw new ConfigurationError(
+          `Can't use cacheDir "${cacheDir}" (${e.message})`
+        );
       }
     }
   }
 
   get(type, key) {
-    if (!this.dir) return;
+    if (!this.dir)
+      return;
     try {
       return fs.readFileSync(this.fn(type, key), "utf-8");
-    } catch (e) {
-      // Pass.
-    }
+    } catch (e) {}
   }
 
   set(type, key, data) {
-    if (!this.dir) return;
+    if (!this.dir)
+      return;
     return fs.writeFileSync(this.fn(type, key), data);
   }