35 lines
731 B
JavaScript
35 lines
731 B
JavaScript
class IO {
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constructor(scope) {
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this.scope = scope
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}
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read(id) {
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let key = `${this.scope}/${id}`
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return localStorage.getItem(key)
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}
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write(id, data) {
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let key = `${this.scope}/${id}`
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localStorage.setItem(key, data)
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}
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remove(id) {
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let key = `${this.scope}/${id}`
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localStorage.removeItem(key)
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}
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listKeys() {
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let keys = []
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for (const key in localStorage) {
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if (Object.hasOwnProperty.call(localStorage, key) &&
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key.startsWith(this.scope)) {
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let i = key.indexOf('/') + 1
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keys.push(key.slice(i))
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}
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}
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return keys
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}
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}
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export { IO }
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