Description
More clear intention, prevent mistake like this
bar = '12345';
'0'.repeat(4 - bar.length) + bar;
VM433:2 Uncaught RangeError: Invalid count value
at String.repeat (<anonymous>)
bar = '12345';
bar.padStart(4, '0');
'12345'
Fail
const foo = ' '.repeat(10 - bar.length) + bar;const foo = '*'.repeat(10 - bar.length) + bar;const foo = bar + ' '.repeat(10 - bar.length);const foo = bar + '*'.repeat(10 - bar.length);const foo = ('*'.repeat(10) + bar).slice(-10);const foo = (bar + '*'.repeat(10)).slice(0, 10);Pass
const foo = bar.padStart(10)const foo = bar.padStart(10, '*')const foo = bar.padEnd(10)const foo = bar.padEnd(10, '*')
sindresorhus / eslint-plugin-unicorn
More than 100 powerful ESLint rules
4.2k
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