json-schema-typescript-generator/dist/esm/generate/object-generator.js

Generate typescript types from json schemas

import { OptionalFieldPattern } from '../options';
import { located } from './TypeGenerator';
import { typeGenerator } from './type-generator';
export const objectGenerator = (locatedSchema, gatheredInfo, inputInfo) => {
    const schema = locatedSchema.schema;
    if (!schema.type || !schema.type.has('object') || !(schema.object)) {
        return;
    }
    const { properties, required, additionalProperties } = schema.object;
    const lines = [];
    lines.push('{');
    if (properties) {
        Array.from(properties.entries()).forEach(([propertyName, propertySchema]) => {
            const propertyLocatedSchema = located(propertySchema, locatedSchema);
            const type = typeGenerator(propertyLocatedSchema, gatheredInfo, inputInfo);
            if (type) {
                const isRequired = (required && required.has(propertyName));
                const isQuestion = (!isRequired && inputInfo.options.ts.optionalFields == OptionalFieldPattern.QUESTION);
                const isPipeUndefined = (!isRequired && inputInfo.options.ts.optionalFields == OptionalFieldPattern.PIPE_UNDEFINED);
                const lineParts = [];
                lineParts.push(propertyName);
                if (isQuestion) {
                    lineParts.push('?');
                }
                lineParts.push(`: ${type}`);
                if (isPipeUndefined) {
                    lineParts.push(' | undefined');
                }
                lineParts.push(';');
                lines.push(lineParts.join(''));
            }
        });
    }
    if (!additionalProperties) {
        lines.push('}');
    }
    else {
        const lastLineParts = [];
        lastLineParts.push('} & Record<string, ');
        const valueLocatedSchema = located(additionalProperties, locatedSchema);
        const valueType = typeGenerator(valueLocatedSchema, gatheredInfo, inputInfo) || inputInfo.options.ts.untyped;
        lastLineParts.push(valueType);
        lastLineParts.push('>');
        lines.push(lastLineParts.join(''));
    }
    return lines.join('\n');
};
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