39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
function isObject(value) {
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return value !== null && typeof value === 'object';
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}
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export const oasDiscriminator = (schema, _opts, { path }) => {
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/**
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* This function verifies:
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*
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* 1. The discriminator property name is defined at this schema.
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* 2. The discriminator property is in the required property list.
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*/
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if (!isObject(schema)) return;
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if (typeof schema.discriminator !== 'string') return;
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const discriminatorName = schema.discriminator;
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const results = [];
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if (!isObject(schema.properties) || !Object.keys(schema.properties).some(k => k === discriminatorName)) {
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results.push({
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message: `The discriminator property must be defined in this schema.`,
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path: [...path, 'properties'],
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});
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}
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if (!Array.isArray(schema.required) || !schema.required.some(n => n === discriminatorName)) {
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results.push({
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message: `The discriminator property must be in the required property list.`,
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path: [...path, 'required'],
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});
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}
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return results;
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};
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export default oasDiscriminator;
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