json-schema-typescript-generator/dist/esm/generate/basic-type-generator.js

Generate typescript types from json schemas

const PRIMITIVE_TYPES = new Map();
PRIMITIVE_TYPES.set('null', 'null');
PRIMITIVE_TYPES.set('boolean', 'boolean');
PRIMITIVE_TYPES.set('integer', 'number');
PRIMITIVE_TYPES.set('number', 'number');
PRIMITIVE_TYPES.set('string', 'string');
export const basicTypeGenerator = (locatedSchema, _gatheredInfo, _inputInfo) => {
    const schemaTypes = locatedSchema.schema.type;
    if (!schemaTypes || schemaTypes.size === 0) {
        return;
    }
    const tsTypesSet = new Set();
    Array.from(PRIMITIVE_TYPES.entries())
        .filter(([schemaType, _]) => schemaTypes.has(schemaType))
        .map(([_, tsType]) => tsType)
        .forEach((tsType) => tsTypesSet.add(tsType));
    const tsTypes = Array.from(tsTypesSet);
    if (tsTypes.length === 0) {
        return;
    }
    if (tsTypes.length === 1) {
        return tsTypes[0];
    }
    return `(${tsTypes.join(' | ')})`;
};
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