Add percent, v1.0.1

Author: doesdev

README.md

@@ -44,18 +44,21 @@ rollup.rollup({/*...*/}).then((bundle) => {
 // Results in ...
 /*
 -----------------------------
-Rollup file analysis
+Rollup File Analysis
+-----------------------------
+bundle size: 1.146 MB
 -----------------------------
 file: \node_modules\html5-history-api\history.js
 size: 38.502 KB
+percent: 3.36%
 dependents: 1
   - \app\modules\page.js
 -----------------------------
 file: \node_modules\pikaday\pikaday.js
 size: 34.683 KB
+percent: 3.03%
 dependents: 1
   - \app\helpers\transformer.js
------------------------------
 ...
 */
 ```

index-es6.js

@@ -13,7 +13,7 @@ const formatBytes = (bytes) => {
   if (bytes === 0) return '0 Byte'
   let k = 1000
   let dm = 3
-  let sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
+  let sizes = ['Bytes', 'KB', 'MB', 'GB']
   let i = Math.floor(Math.log(bytes) / Math.log(k))
   return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i]
 }
@@ -32,25 +32,33 @@ function formatted (bndl) { return analyze(bndl, true) }
 
 function analyze (bundle, format) {
   let deps = {}
+  let bundleSize = 0
   return new Promise((resolve, reject) => {
     let modules = bundle.modules.map((m, i) => {
       let id = m.id.replace(root, '')
+      let size = Buffer.byteLength(m.code, 'utf8') || 0
+      bundleSize += size
       m.dependencies.forEach((d) => {
         d = d.replace(root, '')
         deps[d] = deps[d] || []
         deps[d].push(id)
       })
-      return {id, size: Buffer.byteLength(m.code, 'utf8') || 0}
+      return {id, size}
     })
     modules.sort((a, b) => b.size - a.size)
     if (limit) modules = modules.slice(0, limit)
-    modules.forEach((m) => { m.dependents = deps[m.id] || [] })
+    modules.forEach((m) => {
+      m.dependents = deps[m.id] || []
+      m.percent = ((m.size / bundleSize) * 100).toFixed(2)
+    })
     if (!format) return resolve(modules)
-    let heading = `Rollup file analysis\n`
-    let formatted = `${borderX}${heading}${borderX}`
+    let heading = `Rollup File Analysis\n`
+    let displaySize = `${borderX}bundle size: ${formatBytes(bundleSize)}\n`
+    let formatted = `${borderX}${heading}${displaySize}${borderX}`
     modules.forEach((m) => {
       formatted += `file:${buf}${m.id}\n`
       formatted += `size:${buf}${formatBytes(m.size)}\n`
+      formatted += `percent:${buf}${m.percent}%\n`
       formatted += `dependents:${buf}${m.dependents.length}\n`
       m.dependents.forEach((d) => {
         formatted += `${tab}-${buf}${d.replace(root, '')}\n`

index.js

@@ -15,7 +15,7 @@ const formatBytes = (bytes) => {
   if (bytes === 0) return '0 Byte'
   let k = 1000;
   let dm = 3;
-  let sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+  let sizes = ['Bytes', 'KB', 'MB', 'GB'];
   let i = Math.floor(Math.log(bytes) / Math.log(k));
   return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i]
 };
@@ -31,25 +31,33 @@ function formatted (bndl) { return analyze(bndl, true) }
 
 function analyze (bundle, format) {
   let deps = {};
+  let bundleSize = 0;
   return new Promise((resolve, reject) => {
     let modules = bundle.modules.map((m, i) => {
       let id = m.id.replace(root, '');
+      let size = Buffer.byteLength(m.code, 'utf8') || 0;
+      bundleSize += size;
       m.dependencies.forEach((d) => {
         d = d.replace(root, '');
         deps[d] = deps[d] || [];
         deps[d].push(id);
       });
-      return {id, size: Buffer.byteLength(m.code, 'utf8') || 0}
+      return {id, size}
     });
     modules.sort((a, b) => b.size - a.size);
     if (limit) modules = modules.slice(0, limit);
-    modules.forEach((m) => { m.dependents = deps[m.id] || []; });
+    modules.forEach((m) => {
+      m.dependents = deps[m.id] || [];
+      m.percent = ((m.size / bundleSize) * 100).toFixed(2);
+    });
     if (!format) return resolve(modules)
-    let heading = `Rollup file analysis\n`;
-    let formatted = `${borderX}${heading}${borderX}`;
+    let heading = `Rollup File Analysis\n`;
+    let displaySize = `${borderX}bundle size: ${formatBytes(bundleSize)}\n`;
+    let formatted = `${borderX}${heading}${displaySize}${borderX}`;
     modules.forEach((m) => {
       formatted += `file:${buf}${m.id}\n`;
       formatted += `size:${buf}${formatBytes(m.size)}\n`;
+      formatted += `percent:${buf}${m.percent}%\n`;
       formatted += `dependents:${buf}${m.dependents.length}\n`;
       m.dependents.forEach((d) => {
         formatted += `${tab}-${buf}${d.replace(root, '')}\n`;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rollup-analyzer",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Analyze file sizes of rollup bundled imports",
   "main": "index.js",
   "jsnext:main": "index-es6.js",