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left_pad

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String left pad

github.com/cloned2k16/_padLeft

cloned2k16/_padLeft

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var leftPad = require("./") , test = require("tape") ; test('_padLeft' , function (assert) { assert.plan(32); assert.strictEqual(leftPad('foo' , 5) , ' foo' ); assert.strictEqual(leftPad('foobar' , 6) , 'foobar' ); // zero assert.strictEqual(leftPad('foobar' , 4) , 'foobar' ); // negative assert.strictEqual(leftPad(1 , 8, 0) , '00000001' ); // 8 digits assert.strictEqual(leftPad(123 , 4, '\t') , '123' ); // tab assert.strictEqual(leftPad('foo' , -1) , 'foo' ); // negative with no padding assert.strictEqual(leftPad('foo' , 6, 6) , '666foo' ); // // 7 assert.strictEqual(leftPad('far' , 18) , ' far' ); assert.strictEqual(leftPad('far' , 19) , ' far' ); assert.strictEqual(leftPad('far' , 20) , ' far' ); assert.strictEqual(leftPad('far' , 21) , ' far' ); // 4 assert.strictEqual(leftPad('warning' , 111, '' ), 'warning' ); // empty padding str // 1 // this is now a feature ... assert.strictEqual(leftPad('feature' , 7, 'bug or ' ), 'feature' ); // padding string assert.strictEqual(leftPad('feature' , 8, 'bug or ' ), 'bfeature' ); // padding string assert.strictEqual(leftPad('feature' , 9, 'bug or ' ), 'bufeature' ); // padding string assert.strictEqual(leftPad('feature' , 10, 'bug or ' ), 'bugfeature' ); // padding string assert.strictEqual(leftPad('feature' , 11, 'bug or ' ), 'bug feature' ); // padding string assert.strictEqual(leftPad('feature' , 12, 'bug or ' ), 'bug ofeature' ); // padding string assert.strictEqual(leftPad('feature' , 13, 'bug or ' ), 'bug orfeature' ); // padding string assert.strictEqual(leftPad('feature' , 14, 'bug or ' ), 'bug or feature' ); // padding string assert.strictEqual(leftPad('feature' , 15, 'bug or ' ), 'bug or bfeature' ); // padding string assert.strictEqual(leftPad('feature' , 16, 'bug or ' ), 'bug or bufeature' ); // padding string assert.strictEqual(leftPad('feature' , 17, 'bug or ' ), 'bug or bugfeature' ); // padding string //11 assert.strictEqual(leftPad('feature' , 21, 'new ' ), 'new new new nefeature' ); // padding string assert.strictEqual(leftPad('feature' , 22, 'new ' ), 'new new new newfeature' ); // padding string assert.strictEqual(leftPad('feature' , 23, 'new ' ), 'new new new new feature'); // padding string // 4 leftPad.setTabSize(4); assert.strictEqual(leftPad('tabs' , 4, '\t' ), 'tabs' ); // padding with tabs assert.strictEqual(leftPad('tabs' , 8, '\t' ), '\ttabs' ); // padding with tabs assert.strictEqual(leftPad('tabs' , 12, '\t' ), '\t\ttabs' ); // padding with tabs leftPad.setTabSize(8); assert.strictEqual(leftPad('tabs' , 64, '\t' ), '\t\t\t\t\t\t\ttabs' ); // padding with tabs while still cache hit :D assert.strictEqual(leftPad('tabs' , 65, '\t' ), '\t\t\t\t\t\t\ttabs' ); // padding with tabs while still cache hit :D assert.strictEqual(leftPad('tabs' , 66, '\t' ), '\t\t\t\t\t\t\ttabs' ); // padding with tabs while still cache hit :D // 6 console.log('\n using version: ',leftPad.obj.version); });