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Switched to a Promise-based pull from Firebase #3

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Switched to a Promise-based pull from Firebase #3

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18 changes: 9 additions & 9 deletions gatsby-node.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,9 @@
const firebase = require("firebase-admin")
const crypto = require("crypto")

exports.sourceNodes = (
exports.sourceNodes = async (
{ boundActionCreators },
{ credential, databaseURL, types, quiet = false },
done
{ credential, databaseURL, types, quiet = false }
) => {
const { createNode } = boundActionCreators

Expand All @@ -17,13 +16,13 @@ exports.sourceNodes = (

const start = Date.now()

types.forEach(
const promises = types.map(
({ query = ref => ref, map = node => node, type, path }) => {
if (!quiet) {
console.log(`\n[Firebase Source] Fetching data for ${type}...`)
}

query(db.ref(path)).once("value", snapshot => {
return query(db.ref(path)).once('value').then(snapshot => {
if (!quiet) {
console.log(
`\n[Firebase Source] Data for ${type} loaded in`,
Expand Down Expand Up @@ -54,11 +53,12 @@ exports.sourceNodes = (
})
)
})
done()
}, error => {
throw new Error(error)
})
},
error => {
throw new Error(error)
}
)

return Promise.all(promises)

}