20 lines
2.1 KiB
TypeScript
20 lines
2.1 KiB
TypeScript
export type Field={name:string;type:'string'|'number'|'boolean'|'object'|'array';description:string;fields?:Field[]};
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export class InputError extends Error{}
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export function buildSchema(fields:Field[],depth=0):any{
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if(!Array.isArray(fields)||!fields.length||fields.length>40||depth>5)throw new InputError('每层需要 1–40 个字段，最多嵌套 5 层');
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const properties:Record<string,any>={};
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for(const f of fields){
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if(!f||typeof f.name!=='string'||!/^[a-zA-Z_][a-zA-Z0-9_]{0,63}$/.test(f.name)||Object.hasOwn(properties,f.name)||['__proto__','constructor','prototype'].includes(f.name))throw new InputError('字段名需唯一，仅用字母、数字和下划线，以字母或下划线开头');
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if(typeof f.description!=='string'||f.description.length>2000)throw new InputError('字段描述必须是最多 2000 字符的文本');
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let s:any;
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if(f.type==='object')s=buildSchema(f.fields!,depth+1);
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else if(f.type==='array')s={type:'array',items:f.fields?.length?buildSchema(f.fields,depth+1):{type:'string'}};
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else if(['string','number','boolean'].includes(f.type))s={type:[f.type,'null']};
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else throw new InputError('不支持的字段类型');
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properties[f.name]={...s,description:f.description};
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}
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return {type:'object',properties,required:Object.keys(properties),additionalProperties:false};
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}
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export const sampleFields:Field[]=[{name:'patientName',type:'string',description:'患者姓名'},{name:'allergies',type:'array',description:'过敏史'},{name:'vitalSigns',type:'array',description:'按时间记录的生命体征',fields:[{name:'time',type:'string',description:'测量时间'},{name:'heartRate',type:'number',description:'心率，次/分钟'},{name:'bloodPressure',type:'string',description:'血压，mmHg'}]},{name:'medications',type:'array',description:'用药记录',fields:[{name:'name',type:'string',description:'药物名称'},{name:'dose',type:'string',description:'剂量及单位'}]}];
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export const sampleText='入院记录\n患者姓名：陈晓雨\n过敏史：青霉素\n2026-11-02 09:00 心率 78 次/分，血压 120/80 mmHg。\n2026-11-02 11:00 心率 75 次/分，血压 118/78 mmHg。\n用药：氯化钠注射液 500 mL。';
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