23 lines
457 B
JavaScript
23 lines
457 B
JavaScript
function cached (fn) {
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const cache = Object.create(null)
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return function cachedFn (str) {
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const hit = cache[str]
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return hit || (cache[str] = fn(str))
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}
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}
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const camelizeRE = /-(\w)/g
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const camelize = cached(function (str) {
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return str.replace(camelizeRE, (_, c) => c ? c.toUpperCase() : '')
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})
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const capitalize = cached(function (str) {
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return str.charAt(0).toUpperCase() + str.slice(1)
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})
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module.exports = {
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camelize,
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capitalize
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}
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