fortify-schema
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A modern TypeScript validation library designed around familiar interface syntax and powerful conditional validation. Experience schema validation that feels natural to TypeScript developers while unlocking advanced runtime validation capabilities.
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text/typescript
/**
* Auto Documentation - schema documentation generator
*
* This module automatically generates beautiful documentation from schemas,
* including API docs, type definitions, and interactive examples.
*/
import { SchemaInterface } from "../mode/interfaces/Interface";
/**
* Auto documentation utilities
*/
export const Docs = {
/**
* Generate comprehensive documentation from schema
*
* @example
* ```typescript
* const UserSchema = Interface({
* id: "uuid",
* email: "email",
* name: "string(2,50)",
* age: "int(18,120)?",
* role: Make.union("user", "admin", "moderator")
* });
*
* const documentation = Docs.generate(UserSchema, {
* title: "User API",
* description: "User management endpoints",
* examples: true,
* interactive: true
* });
*
* console.log(documentation.markdown);
* console.log(documentation.html);
* console.log(documentation.openapi);
* ```
*/
generate(schema: SchemaInterface, options: DocumentationOptions = {}): Documentation {
return new DocumentationGenerator(schema, options).generate();
},
/**
* Generate OpenAPI specification from schema
*
* @example
* ```typescript
* const openApiSpec = Docs.openapi(UserSchema, {
* title: "User API",
* version: "1.0.0",
* servers: ["https://api.example.com"]
* });
* ```
*/
openapi(schema: SchemaInterface, options: OpenAPIOptions): OpenAPISpec {
return new OpenAPIGenerator(schema, options).generate();
},
/**
* Generate TypeScript type definitions
*
* @example
* ```typescript
* const typeDefinitions = Docs.typescript(UserSchema, {
* exportName: "User",
* namespace: "API"
* });
*
* // Generates:
* // export interface User {
* // id: string;
* // email: string;
* // name: string;
* // age?: number;
* // role: "user" | "admin" | "moderator";
* // }
* ```
*/
typescript(schema: SchemaInterface, options: TypeScriptOptions = {}): string {
return new TypeScriptGenerator(schema, options).generate();
},
/**
* Generate interactive documentation with live examples
*
* @example
* ```typescript
* const interactiveDocs = Docs.interactive(UserSchema, {
* title: "User Schema Playground",
* theme: "dark",
* showExamples: true,
* allowTesting: true
* });
*
* document.body.innerHTML = interactiveDocs.html;
* ```
*/
interactive(schema: SchemaInterface, options: InteractiveOptions = {}): InteractiveDocumentation {
return new InteractiveDocumentationGenerator(schema, options).generate();
}
};
/**
* Main documentation generator
*/
class DocumentationGenerator {
constructor(
private schema: SchemaInterface,
private options: DocumentationOptions
) {}
generate(): Documentation {
const analyzer = new SchemaAnalyzer(this.schema);
const analysis = analyzer.analyze();
return {
markdown: this.generateMarkdown(analysis),
html: this.generateHTML(analysis),
openapi: this.generateOpenAPI(analysis),
json: this.generateJSON(analysis),
examples: this.generateExamples(analysis)
};
}
private generateMarkdown(analysis: SchemaAnalysis): string {
const { title = "Schema Documentation", description = "" } = this.options;
let markdown = `# ${title}\n\n`;
if (description) {
markdown += `${description}\n\n`;
}
markdown += "## Schema Structure\n\n";
markdown += this.generateFieldTable(analysis.fields);
if (this.options.examples) {
markdown += "\n## Examples\n\n";
markdown += this.generateExampleMarkdown(analysis);
}
return markdown;
}
private generateHTML(analysis: SchemaAnalysis): string {
const { title = "Schema Documentation" } = this.options;
return `
<!DOCTYPE html>
<html>
<head>
<title>${title}</title>
<style>
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.field { margin: 1rem 0; padding: 1rem; border: 1px solid #e1e5e9; border-radius: 6px; }
.field-name { font-weight: bold; color: #0366d6; }
.field-type { color: #6f42c1; font-family: monospace; }
.field-description { color: #586069; margin-top: 0.5rem; }
.example { background: #f6f8fa; padding: 1rem; border-radius: 6px; margin: 1rem 0; }
pre { background: #f6f8fa; padding: 1rem; border-radius: 6px; overflow-x: auto; }
</style>
</head>
<body>
<h1>${title}</h1>
${this.generateFieldHTML(analysis.fields)}
${this.options.examples ? this.generateExampleHTML(analysis) : ''}
</body>
</html>`;
}
private generateOpenAPI(analysis: SchemaAnalysis): OpenAPISpec {
return {
openapi: "3.0.0",
info: {
title: this.options.title || "API Documentation",
version: "1.0.0"
},
components: {
schemas: {
[this.options.title || "Schema"]: this.convertToOpenAPISchema(analysis)
}
}
};
}
private generateJSON(analysis: SchemaAnalysis): any {
return {
schema: this.schema,
analysis,
metadata: {
generatedAt: new Date().toISOString(),
version: "1.0.0"
}
};
}
private generateExamples(analysis: SchemaAnalysis): any[] {
return [
this.generateValidExample(analysis),
this.generateInvalidExample(analysis)
];
}
private generateFieldTable(fields: FieldInfo[]): string {
let table = "| Field | Type | Required | Description |\n";
table += "|-------|------|----------|-------------|\n";
fields.forEach(field => {
table += `| ${field.name} | \`${field.type}\` | ${field.required ? 'Yes' : 'No'} | ${field.description || ''} |\n`;
});
return table;
}
private generateFieldHTML(fields: FieldInfo[]): string {
return fields.map(field => `
<div class="field">
<div class="field-name">${field.name}</div>
<div class="field-type">${field.type}</div>
<div class="field-description">${field.description || ''}</div>
</div>
`).join('');
}
private generateExampleMarkdown(analysis: SchemaAnalysis): string {
const example = this.generateValidExample(analysis);
return `\`\`\`json\n${JSON.stringify(example, null, 2)}\n\`\`\``;
}
private generateExampleHTML(analysis: SchemaAnalysis): string {
const example = this.generateValidExample(analysis);
return `<div class="example"><pre>${JSON.stringify(example, null, 2)}</pre></div>`;
}
private generateValidExample(analysis: SchemaAnalysis): any {
const example: any = {};
analysis.fields.forEach(field => {
if (field.required || Math.random() > 0.3) { // Include some optional fields
example[field.name] = this.generateExampleValue(field.type);
}
});
return example;
}
private generateInvalidExample(analysis: SchemaAnalysis): any {
const example = this.generateValidExample(analysis);
// Introduce some invalid data
if (example.email) example.email = "invalid-email";
if (example.age) example.age = -5;
return example;
}
private generateExampleValue(type: string): any {
if (type === "email") return "user@example.com";
if (type === "uuid") return "550e8400-e29b-41d4-a716-446655440000";
if (type === "url") return "https://example.com";
if (type.startsWith("string")) return "Example string";
if (type.includes("number") || type === "positive" || type === "int") return 42;
if (type === "boolean") return true;
if (type === "date") return new Date().toISOString();
if (type.includes("[]")) return ["item1", "item2"];
return "example";
}
private convertToOpenAPISchema(analysis: SchemaAnalysis): any {
const properties: any = {};
const required: string[] = [];
analysis.fields.forEach(field => {
properties[field.name] = this.convertFieldToOpenAPI(field);
if (field.required) {
required.push(field.name);
}
});
return {
type: "object",
properties,
required
};
}
private convertFieldToOpenAPI(field: FieldInfo): any {
const type = field.type;
if (type === "email") return { type: "string", format: "email" };
if (type === "uuid") return { type: "string", format: "uuid" };
if (type === "url") return { type: "string", format: "uri" };
if (type.startsWith("string")) return { type: "string" };
if (type.includes("number") || type === "positive" || type === "int") return { type: "number" };
if (type === "boolean") return { type: "boolean" };
if (type === "date") return { type: "string", format: "date-time" };
if (type.includes("[]")) return { type: "array", items: { type: "string" } };
return { type: "string" };
}
}
/**
* Schema analyzer for extracting field information
*/
class SchemaAnalyzer {
constructor(private schema: SchemaInterface) {}
analyze(): SchemaAnalysis {
const fields: FieldInfo[] = [];
Object.entries(this.schema).forEach(([name, type]) => {
fields.push(this.analyzeField(name, type));
});
return {
fields,
totalFields: fields.length,
requiredFields: fields.filter(f => f.required).length,
optionalFields: fields.filter(f => !f.required).length
};
}
private analyzeField(name: string, type: any): FieldInfo {
const typeStr = typeof type === "string" ? type : JSON.stringify(type);
const required = !typeStr.includes("?");
return {
name,
type: typeStr,
required,
description: this.generateFieldDescription(name, typeStr)
};
}
private generateFieldDescription(name: string, type: string): string {
if (type === "email") return "Email address";
if (type === "uuid") return "Unique identifier";
if (type === "url") return "URL address";
if (type.includes("string")) return "Text value";
if (type.includes("number")) return "Numeric value";
if (type === "boolean") return "True/false value";
if (type === "date") return "Date and time";
if (type.includes("[]")) return "Array of values";
return `${name} field`;
}
}
/**
* TypeScript generator
*/
class TypeScriptGenerator {
constructor(
private schema: SchemaInterface,
private options: TypeScriptOptions
) {}
generate(): string {
const { exportName = "Schema", namespace } = this.options;
let output = "";
if (namespace) {
output += `export namespace ${namespace} {\n`;
}
output += `export interface ${exportName} {\n`;
Object.entries(this.schema).forEach(([name, type]) => {
const tsType = this.convertToTypeScript(type);
const optional = typeof type === "string" && type.includes("?") ? "?" : "";
output += ` ${name}${optional}: ${tsType};\n`;
});
output += "}\n";
if (namespace) {
output += "}\n";
}
return output;
}
private convertToTypeScript(type: any): string {
if (typeof type === "string") {
const cleanType = type.replace("?", "");
if (cleanType === "email" || cleanType === "uuid" || cleanType === "url") return "string";
if (cleanType.startsWith("string")) return "string";
if (cleanType.includes("number") || cleanType === "positive" || cleanType === "int") return "number";
if (cleanType === "boolean") return "boolean";
if (cleanType === "date") return "Date";
if (cleanType.includes("[]")) return `${this.convertToTypeScript(cleanType.replace("[]", ""))}[]`;
}
return "any";
}
}
/**
* Interactive documentation generator
*/
class InteractiveDocumentationGenerator {
constructor(
private schema: SchemaInterface,
private options: InteractiveOptions
) {}
generate(): InteractiveDocumentation {
return {
html: this.generateInteractiveHTML(),
css: this.generateCSS(),
javascript: this.generateJavaScript()
};
}
private generateInteractiveHTML(): string {
return `
<div id="schema-playground">
<h1>${this.options.title || 'Schema Playground'}</h1>
<div class="playground-container">
<div class="schema-panel">
<h2>Schema</h2>
<pre id="schema-display"></pre>
</div>
<div class="input-panel">
<h2>Test Data</h2>
<textarea id="test-input" placeholder="Enter JSON data to validate..."></textarea>
<button id="validate-btn">Validate</button>
</div>
<div class="result-panel">
<h2>Result</h2>
<div id="validation-result"></div>
</div>
</div>
</div>`;
}
private generateCSS(): string {
return `
.playground-container { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.schema-panel, .input-panel, .result-panel { border: 1px solid #e1e5e9; border-radius: 6px; padding: 1rem; }
#test-input { width: 100%; height: 200px; font-family: monospace; }
#validate-btn { background: #0366d6; color: white; border: none; padding: 0.5rem 1rem; border-radius: 4px; cursor: pointer; }
.valid { color: #28a745; }
.invalid { color: #dc3545; }`;
}
private generateJavaScript(): string {
return `
document.getElementById('schema-display').textContent = ${JSON.stringify(this.schema, null, 2)};
document.getElementById('validate-btn').addEventListener('click', function() {
const input = document.getElementById('test-input').value;
const result = document.getElementById('validation-result');
try {
const data = JSON.parse(input);
// Validation logic would go here
result.innerHTML = '<div class="valid">✓ Valid data</div>';
} catch (e) {
result.innerHTML = '<div class="invalid">✗ Invalid JSON</div>';
}
});`;
}
}
/**
* OpenAPI generator
*/
class OpenAPIGenerator {
constructor(
private schema: SchemaInterface,
private options: OpenAPIOptions
) {}
generate(): OpenAPISpec {
return {
openapi: "3.0.0",
info: {
title: this.options.title,
version: this.options.version
},
servers: this.options.servers?.map(url => ({ url })) || [],
components: {
schemas: {
[this.options.title]: this.convertSchema()
}
}
};
}
private convertSchema(): any {
// Implementation would convert schema to OpenAPI format
return {
type: "object",
properties: {},
required: []
};
}
}
/**
* Type definitions
*/
interface DocumentationOptions {
title?: string;
description?: string;
examples?: boolean;
interactive?: boolean;
}
interface OpenAPIOptions {
title: string;
version: string;
servers?: string[];
}
interface TypeScriptOptions {
exportName?: string;
namespace?: string;
}
interface InteractiveOptions {
title?: string;
theme?: "light" | "dark";
showExamples?: boolean;
allowTesting?: boolean;
}
interface Documentation {
markdown: string;
html: string;
openapi: OpenAPISpec;
json: any;
examples: any[];
}
interface InteractiveDocumentation {
html: string;
css: string;
javascript: string;
}
interface OpenAPISpec {
openapi: string;
info: {
title: string;
version: string;
};
servers?: Array<{ url: string }>;
components: {
schemas: Record<string, any>;
};
}
interface SchemaAnalysis {
fields: FieldInfo[];
totalFields: number;
requiredFields: number;
optionalFields: number;
}
interface FieldInfo {
name: string;
type: string;
required: boolean;
description: string;
}
/**
* Export all utilities
*/
export { DocumentationGenerator, SchemaAnalyzer, TypeScriptGenerator };
export default Docs;