forked from cybrespace/pinafore
57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
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import idb from 'idb'
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// copypasta'd from https://github.com/jakearchibald/idb#keyval-store
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const dbPromise = idb.open('keyval-store', 1, upgradeDB => {
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upgradeDB.createObjectStore('keyval')
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})
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const idbKeyval = {
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get(key) {
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return dbPromise.then(db => {
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return db.transaction('keyval').objectStore('keyval').get(key)
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})
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},
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set(key, val) {
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return dbPromise.then(db => {
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const tx = db.transaction('keyval', 'readwrite')
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tx.objectStore('keyval').put(val, key)
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return tx.complete
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})
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},
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delete(key) {
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return dbPromise.then(db => {
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const tx = db.transaction('keyval', 'readwrite')
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tx.objectStore('keyval').delete(key)
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return tx.complete
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})
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},
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clear() {
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return dbPromise.then(db => {
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const tx = db.transaction('keyval', 'readwrite')
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tx.objectStore('keyval').clear()
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return tx.complete
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})
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},
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keys() {
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return dbPromise.then(db => {
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const tx = db.transaction('keyval')
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const keys = []
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const store = tx.objectStore('keyval')
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// This would be store.getAllKeys(), but it isn't supported by Edge or Safari.
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// openKeyCursor isn't supported by Safari, so we fall back
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const iterate = store.iterateKeyCursor || store.iterateCursor
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iterate.call(store, cursor => {
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if (!cursor) {
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return
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}
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keys.push(cursor.key)
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cursor.continue()
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})
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return tx.complete.then(() => keys)
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})
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}
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}
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export default idbKeyval
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