41 lines
1.3 KiB
TypeScript
41 lines
1.3 KiB
TypeScript
export type Schema = {
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type: 'number' | 'string' | 'array' | 'object' | any;
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optional?: boolean;
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items?: Schema;
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properties?: Obj;
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description?: string;
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};
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export type Obj = { [key: string]: Schema };
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export type ObjType<s extends Obj> = { [P in keyof s]: SchemaType<s[P]> };
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// https://qiita.com/hrsh7th@github/items/84e8968c3601009cdcf2
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type MyType<T extends Schema> = {
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0: any;
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1: SchemaType<T>;
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}[T extends Schema ? 1 : 0];
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export type SchemaType<p extends Schema> =
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p['type'] extends 'number' ? number :
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p['type'] extends 'string' ? string :
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p['type'] extends 'array' ? MyType<NonNullable<p['items']>>[] :
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p['type'] extends 'object' ? ObjType<NonNullable<p['properties']>> :
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any;
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export function convertOpenApiSchema(schema: Schema) {
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const x = JSON.parse(JSON.stringify(schema)); // copy
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if (!['string', 'number', 'boolean', 'array', 'object'].includes(x.type)) {
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x['$ref'] = `#/components/schemas/${x.type}`;
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}
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if (x.type === 'array' && x.items) {
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x.items = convertOpenApiSchema(x.items);
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}
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if (x.type === 'object' && x.properties) {
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x.required = Object.entries(x.properties).filter(([k, v]: any) => !v.isOptional).map(([k, v]: any) => k);
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for (const k of Object.keys(x.properties)) {
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x.properties[k] = convertOpenApiSchema(x.properties[k]);
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}
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}
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return x;
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}
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