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gatsby-node.js
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gatsby-node.js
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const _ = require(`lodash`)
const path = require(`path`)
const HJSON = require(`hjson`)
function unstable_shouldOnCreateNode({ node }) {
// We only care about HJSON content.
// NOTE the mime package does not recognize HJSON yet
// See RFC https://hjson.org/rfc.html#rfc.section.1.3
return (
node.internal.mediaType === `text/hjson` ||
node.internal.mediaType === `application/hjson`
)
}
async function onCreateNode({
node,
actions,
loadNodeContent,
createNodeId,
createContentDigest,
}) {
if (!unstable_shouldOnCreateNode({ node })) {
return
}
const { createNode, createParentChildLink } = actions
function transformObject(obj, id, type) {
const contentDigest = createContentDigest(obj)
const jsonNode = {
...obj,
id,
children: [],
parent: node.id,
internal: {
contentDigest,
type,
},
}
createNode(jsonNode)
createParentChildLink({ parent: node, child: jsonNode })
}
const content = await loadNodeContent(node)
const parsedContent = HJSON.parse(content)
if (_.isArray(parsedContent)) {
parsedContent.forEach((obj, i) => {
transformObject(
obj,
obj.id ? obj.id : createNodeId(`${node.id} [${i}] >>> HJSON`),
_.upperFirst(_.camelCase(`${node.name} HJson`))
)
})
} else if (_.isPlainObject(parsedContent)) {
transformObject(
parsedContent,
parsedContent.id
? parsedContent.id
: createNodeId(`${node.id} >>> HJSON`),
_.upperFirst(_.camelCase(`${path.basename(node.dir)} HJson`))
)
}
}
exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
exports.onCreateNode = onCreateNode