17 lines
497 B
JavaScript
17 lines
497 B
JavaScript
exports.onCreateNode = ({ node, reporter }, { predicate, identity }) => {
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if (typeof predicate !== 'function') {
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reporter.panic(
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'Please supply a predicate function to `gatsby-plugin-identity`'
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);
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}
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if (typeof identity !== 'string' || identity.lenght === 0) {
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reporter.panic(
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'`gatsby-plugin-identity` requires an identify string to add to nodes ' +
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'that match the predicate'
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);
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}
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if (predicate(node)) {
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node.internal.identity = identity;
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}
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};
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