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gatsby-node.js
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gatsby-node.js
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const {
yahooFinanceBaseURL,
yahooFinanceAPIHost,
queriesMap,
} = require("./constants")
const { executeQuery } = require("./helpers")
exports.sourceNodes = async (
{ actions, createNodeId, createContentDigest },
pluginOptions
) => {
const { createNode } = actions
const { key, queries } = pluginOptions
/* Make sure key and queries are defined */
if (!key) {
return Promise.reject(
new Error(`[gatsby-yahoo-finance-api] API Key is required`)
)
}
if (!queries || !queries.length) {
return Promise.reject(
new Error(`[gatsby-yahoo-finance-api] At least one query is required`)
)
}
/* Execute all queries provided from the pluginOptions object */
const queryPromises = queries.map(query =>
executeQuery(
key,
query,
queriesMap,
yahooFinanceAPIHost,
yahooFinanceBaseURL
)
)
/* Create nodes with the query response data once it's all retrieved */
await Promise.all(queryPromises)
.then(queryResponses => {
queryResponses.forEach(response => {
const nodeType = queriesMap[response.queryType].nodeType
const nodeMeta = {
id: createNodeId(`${nodeType}-${response.id}`),
internal: {
type: nodeType,
contentDigest: createContentDigest(response),
},
}
const node = { ...response, ...nodeMeta }
createNode(node)
})
})
.catch(error => console.error("Error: ", error.message))
}