left-pad - npm Package Compare versions

Comparing version 1.2.0 to 1.3.0

index.d.ts

		@@ -1,7 +0,9 @@
		// Type definitions for left-pad 1.1
		// Type definitions for left-pad 1.2.0
		// Project: https://github.com/stevemao/left-pad
		// Definitions by: Zlatko Andonovski <https://github.com/Goldsmith42>
		// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
		// Definitions by: Zlatko Andonovski, Andrew Yang, Chandler Fang and Zac Xu

		declare function leftPad(str: string\|number, len: number, ch?: string\|number): string;

		declare namespace leftPad { }

		export = leftPad;

package.json

README.md

		@@ -33,7 +33,5 @@ ## left-pad

		NOTE: Characters having code points outside of [BMP plan](https://en.wikipedia.org/wiki/Plane_(Unicode)#Basic_Multilingual_Plane) are considered a two distinct characters. See [#58](https://github.com/stevemao/left-pad/issues/58).

		[travis-image]: https://travis-ci.org/stevemao/left-pad.svg?branch=master
		[travis-url]: https://travis-ci.org/stevemao/left-pad

		## Typings

		Typings copied from [@types/left-pad](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/left-pad) for convenience.

test.js

		@@ -8,2 +8,3 @@ /* This program is free software. It comes without any warranty, to
		var test = require("tape");
		var fc = require("fast-check");

		@@ -54,1 +55,36 @@ test('edge cases', function (assert) {
		});

		var runProperty = function(assert, name, checkFn) {
		var prop = fc.property(fc.string(), fc.nat(1000), fc.char(), checkFn);
		var result = fc.check(prop);
		var message = '';
		if (result.failed) {
		message = 'Property "' + name + '" failed on counterexample ' + JSON.stringify(result.counterexample) + ' (seed: ' + result.seed + ')';
		}
		assert.strictEqual(message, '', name);
		};

		test('properties', function (assert) {
		assert.plan(4);
		runProperty(assert, 'starts by ch', function(str, len, ch) {
		var beg = leftPad(str, len, ch).substr(0, len -str.length);
		for (var idx = 0 ; idx != beg.length ; ++idx)
		if (beg[idx] !== ch)
		return false;
		return true;
		});
		runProperty(assert, 'ends by str', function(str, len, ch) {
		var out = leftPad(str, len, ch);
		for (var idx = 0 ; idx != str.length ; ++idx)
		if (str[str.length -idx -1] !== out[out.length -idx -1])
		return false;
		return true;
		});
		runProperty(assert, 'len char long if padded (unchanged otherwise)', function(str, len, ch) {
		var out = leftPad(str, len, ch);
		return str.length < len ? out.length === len : str === out;
		});
		runProperty(assert, 'no ch equivalent to space', function(str, len) {
		return leftPad(str, len) === leftPad(str, len, ' ');
		});
		});

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