pixl-cli - npm Package Compare versions

Comparing version 1.0.16 to 1.0.17

cli.js

@@ -237,2 +237,72 @@ // Tools for writing command-line apps in Node.
 	
+	autoFitTableRows: function(rows, args) {
+		// add ellipsis to rows as needed to fit entire table into horiz terminal width
+		var self = this;
+		var avail_width = (this.width() - (stringWidth(args.indent) * 2));
+		if (avail_width < 1) return;
+		
+		var max_col_widths = [];
+		rows.forEach( function(cols, idx) {
+			cols.forEach( function(col, idy) {
+				max_col_widths[idy] = Math.max( max_col_widths[idy] || 0, stringWidth(''+col) );
+			} );
+		} );
+		
+		var measureTableWidth = function() {
+			// measure table width with current settings and max_col_widths "virtually" applied
+			var widestCols = [];
+			rows.forEach( function(cols, idx) {
+				cols.forEach( function(col, idy) {
+					var sw = Math.min( stringWidth(''+col), max_col_widths[idy] );
+					widestCols[idy] = Math.max( widestCols[idy] || 0, sw + 2 );
+				} );
+			} );
+			
+			var numCols = widestCols.length;
+			var line = "┌";
+			widestCols.forEach( function(num, idx) {
+				line += self.repeat("─", num);
+				if (idx < numCols - 1) line += "┬";
+			} );
+			line += "┐";
+			
+			return line.length;
+		}; // measureTableWidth
+		
+		// now keep chopping down max_col_widths until we fit
+		while (measureTableWidth() > avail_width) {
+			// find largest max_col_widths and decrement it by 1
+			var longest_col_width = Math.max.apply( Math, max_col_widths );
+			if (longest_col_width < 2) return; // e-brake
+			
+			var longest_col_idx = max_col_widths.indexOf(longest_col_width);
+			if (longest_col_idx == -1) return; // sanity
+			
+			max_col_widths[longest_col_idx]--;
+		}
+		
+		// finally prune affected columns, trying to preserve ANSI color inside column value
+		rows.forEach( function(cols, idx) {
+			cols.forEach( function(col, idy) {
+				col = '' + col;
+				if (stringWidth(col) > max_col_widths[idy]) {
+					var suffix = '';
+					var prefix = '';
+					
+					while (col.match(/^(\u001b\[[^m]*?m)/)) {
+						prefix += RegExp.$1;
+						col = col.replace(/^(\u001b\[[^m]*?m)/, '');
+					}
+					
+					while (col.match(/(\u001b\[[^m]*?m)$/)) {
+						suffix = RegExp.$1 + suffix;
+						col = col.replace(/(\u001b\[[^m]*?m)$/, '');
+					}
+					
+					cols[idy] = prefix + col.substring(0, max_col_widths[idy] - 1) + '…' + suffix;
+				} // too wide
+			});
+		});
+	},
+	
 	table: function(rows, args) {
@@ -251,2 +321,4 @@ // render table of cols/rows with unicode borders
 		
+		if (args.autoFit) this.autoFitTableRows(rows, args);
+		
 		// calculate widest columns (+1spc of hpadding)
@@ -253,0 +325,0 @@ var widestCols = [];

package.json

 {
 	"name": "pixl-cli",
-	"version": "1.0.16",
+	"version": "1.0.17",
 	"description": "Tools for building command-line apps for Node.js.",
@@ -5,0 +5,0 @@ "author": "Joseph Huckaby <[e-mail]>",

README.md

@@ -427,2 +427,3 @@ <details><summary>Table of Contents</summary>
 | `indent` | Number of characters to indent the table by (defaults to `0`). |
+| `autoFit` | Automatically "fit" table into the available terminal width, if it is too wide.  This will add ellipsis to longer columns as required. |
 
@@ -437,3 +438,4 @@ Here is an example specifying all the possible options:
 		borderStyles: ["gray"],
-		indent: 0
+		indent: 0,
+		autoFit: true
 	}) + "\n" 
@@ -440,0 +442,0 @@ );

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Improved metrics

Total package byte prevSize

53258

increased by4.83%

Lines of code

592

increased by11.07%

Number of lines in readme file

698

increased by0.29%

No dependency changes