Change public API from gzip to compressed

To be in line with the new `compressedSize*` options.

Supports `gzip` as a synonym for backwards compatibility.
Internal naming is also still `gzip*`.

README.md

@@ -61,7 +61,7 @@ new BundleAnalyzerPlugin(options?: object)
 |**`analyzerPort`**|`{Number}` or `auto`|Default: `8888`. Port that will be used in `server` mode to start HTTP server.|
 |**`reportFilename`**|`{String}`|Default: `report.html`. Path to bundle report file that will be generated in `static` mode. It can be either an absolute path or a path relative to a bundle output directory (which is output.path in webpack config).|
 |**`reportTitle`**|`{String\|function}`|Default: function that returns pretty printed current date and time. Content of the HTML `title` element; or a function of the form `() => string` that provides the content.|
-|**`defaultSizes`**|One of: `stat`, `parsed`, `gzip`|Default: `parsed`. Module sizes to show in report by default. [Size definitions](#size-definitions) section describes what these values mean.|
+|**`defaultSizes`**|One of: `stat`, `parsed`, `compressed`|Default: `parsed`. Module sizes to show in report by default. [Size definitions](#size-definitions) section describes what these values mean.|
 |**`openAnalyzer`**|`{Boolean}`|Default: `true`. Automatically open report in default browser.|
 |**`generateStatsFile`**|`{Boolean}`|Default: `false`. If `true`, webpack stats JSON file will be generated in bundle output directory|
 |**`statsFilename`**|`{String}`|Default: `stats.json`. Name of webpack stats JSON file that will be generated if `generateStatsFile` is `true`. It can be either an absolute path or a path relative to a bundle output directory (which is output.path in webpack config).|
@@ -121,7 +121,7 @@ Directory containing all generated bundles.
   -r, --report <file>         Path to bundle report file that will be generated in `static` mode. (default: report.html)
   -t, --title <title>         String to use in title element of html report. (default: pretty printed current date)
   -s, --default-sizes <type>  Module sizes to show in treemap by default.
-                              Possible values: stat, parsed, gzip (default: parsed)
+                              Possible values: stat, parsed, compressed (default: parsed)
   -O, --no-open               Don't open report in default browser automatically.
   -e, --exclude <regexp>      Assets that should be excluded from the report.
                               Can be specified multiple times.
@@ -147,9 +147,9 @@ It is called "stat size" because it's obtained from Webpack's
 This is the "output" size of your files. If you're using a Webpack plugin such
 as Uglify, then this value will reflect the minified size of your code.
 
-### `gzip`
+### `compressed`
 
-This is the size of running the parsed bundles/modules through gzip compression.
+This is the size of running the parsed bundles/modules through compression.
 
 <h2 align="center">Selecting Which Chunks to Display</h2>
 
@@ -169,7 +169,7 @@ The Chunk Context Menu can be opened by right-clicking or `Ctrl`-clicking on a s
 
 <h2 align="center">Troubleshooting</h2>
 
-### I don't see `gzip` or `parsed` sizes, it only shows `stat` size
+### I don't see `compressed` or `parsed` sizes, it only shows `stat` size
 
 It happens when `webpack-bundle-analyzer` analyzes files that don't actually exist in your file system, for example when you work with `webpack-dev-server` that keeps all the files in RAM. If you use `webpack-bundle-analyzer` as a plugin you won't get any errors, however if you run it via CLI you get the error message in terminal:
 ```

src/bin/analyzer.js

@@ -10,7 +10,8 @@ const viewer = require('../viewer');
 const Logger = require('../Logger');
 const utils = require('../utils');
 
-const SIZES = new Set(['stat', 'parsed', 'gzip']);
+const SIZES = new Set(['stat', 'parsed', 'compressed']);
+const ACCEPTED_SIZES = new Set([...SIZES, 'gzip']);
 
 const program = commander
   .version(require('../../package.json').version)
@@ -104,7 +105,9 @@ if (mode === 'server') {
   port = port === 'auto' ? 0 : Number(port);
   if (isNaN(port)) showHelp('Invalid port. Should be a number or `auto`');
 }
-if (!SIZES.has(defaultSizes)) showHelp(`Invalid default sizes option. Possible values are: ${[...SIZES].join(', ')}`);
+if (!ACCEPTED_SIZES.has(defaultSizes)) {
+  showHelp(`Invalid default sizes option. Possible values are: ${[...SIZES].join(', ')}`);
+}
 
 bundleStatsFile = resolve(bundleStatsFile);
 

src/viewer.js

@@ -22,6 +22,10 @@ function resolveTitle(reportTitle) {
   }
 }
 
+function resolveDefaultSizes(defaultSizes) {
+  return defaultSizes === 'compressed' ? 'gzip' : defaultSizes;
+}
+
 module.exports = {
   startServer,
   generateReport,
@@ -59,7 +63,7 @@ async function startServer(bundleStats, opts) {
         mode: 'server',
         title: resolveTitle(reportTitle),
         chartData,
-        defaultSizes,
+        defaultSizes: resolveDefaultSizes(defaultSizes),
         enableWebSocket: true
       });
       res.writeHead(200, {'Content-Type': 'text/html'});
@@ -140,7 +144,7 @@ async function generateReport(bundleStats, opts) {
     mode: 'static',
     title: resolveTitle(reportTitle),
     chartData,
-    defaultSizes,
+    defaultSizes: resolveDefaultSizes(defaultSizes),
     enableWebSocket: false
   });
   const reportFilepath = path.resolve(bundleDir || process.cwd(), reportFilename);