Add logUtils.table and logUtils.header

packages/utils/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "version": "4.3.0",
+        "changes": [
+            {
+                "note": "Add `logUtils.table` and `logUtils.header`",
+                "pr": "TODO"
+            }
+        ]
+    },
     {
         "version": "4.2.0",
         "changes": [
@@ -477,4 +486,4 @@
         ],
         "timestamp": 1516114800
     }
-]
+]

packages/utils/src/log_utils.ts

@@ -1,12 +1,29 @@
 import chalk from 'chalk';
+import * as _ from 'lodash';
+
+const DEFAULT_TERMINAL_WIDTH = 80;
+const TERMINAL_WIDTH = process.stdout.columns || DEFAULT_TERMINAL_WIDTH;
 
 export const logUtils = {
     log(...args: any[]): void {
         console.log(...args); // tslint:disable-line:no-console
     },
+    header(text: string, padStr: string = '='): void {
+        const padLength = TERMINAL_WIDTH - text.length;
+        const padLengthEnd = (padLength + 1) / 2;
+        const leftPadded = text.padStart(TERMINAL_WIDTH - padLengthEnd, padStr);
+        const padded = leftPadded.padEnd(TERMINAL_WIDTH, padStr);
+        console.log(padded); // tslint:disable-line:no-console
+    },
     warn(...args: any[]): void {
         console.warn(...args); // tslint:disable-line:no-console
     },
+    table(columnarData: { [rowName: string]: any }): void {
+        const formattedColumnarData = _.mapValues(columnarData, (columnOrColumns: any, _rowName: string) =>
+            _.isNumber(columnOrColumns) ? columnOrColumns.toLocaleString() : columnOrColumns,
+        );
+        console.table(formattedColumnarData); // tslint:disable-line:no-console
+    },
     logWithTime(arg: string): void {
         logUtils.log(`[${chalk.gray(new Date().toLocaleTimeString())}] ${arg}`);
     },