22 lines
633 B
JavaScript
22 lines
633 B
JavaScript
exports.onCreateNode = function remarkNodeIdentityOnCreateNode(
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{ node, reporter, actions },
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{ predicate, identity }
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) {
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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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const { createNodeField } = actions;
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if (predicate(node)) {
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createNodeField({ node, name: 'nodeIdentity', value: identity });
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}
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return node;
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};
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