Initial commit

tools/apigen.ts

@@ -0,0 +1,62 @@
+import {
+	AST_NODE_TYPES,
+	createProgram,
+	parse
+} from '@typescript-eslint/typescript-estree';
+import * as fs from 'fs';
+import {
+	Decorator,
+	ExportDefaultDeclaration,
+	FunctionExpression,
+	Literal
+} from '@typescript-eslint/types/dist/generated/ast-spec';
+
+const program = createProgram('tsconfig.json');
+const ast = parse(fs.readFileSync('src/controller/filesystem.ts').toString(), {
+	programs: [program]
+});
+
+function parseDecorators(decs: Decorator[]): object[] | null {
+	try {
+		return decs.map((dec) => {
+			if (dec.expression.type !== AST_NODE_TYPES.CallExpression)
+				throw null;
+			if (dec.expression.callee.type != AST_NODE_TYPES.Identifier)
+				throw null;
+			const name = dec.expression.callee.name;
+			if (name === 'Request') throw null;
+			const prop = (
+				dec.expression.arguments
+					.filter((arg) => arg.type === AST_NODE_TYPES.Literal)
+					.pop() as Literal
+			).value;
+			return { name: name, prop: prop };
+		});
+	} catch (e) {
+		return null;
+	}
+}
+
+function parseFunction(name: string, func: FunctionExpression) {
+	const decs = func.params
+		.map((p) => p.decorators)
+		.map(parseDecorators)
+		.filter((d) => d !== null);
+	console.log(name, decs);
+}
+
+ast.body
+	.filter((body) => body.type == AST_NODE_TYPES.ExportDefaultDeclaration)
+	.forEach((body: ExportDefaultDeclaration) => {
+		if (body.declaration.type !== AST_NODE_TYPES.ClassDeclaration) return;
+		if (body.declaration.body.type !== AST_NODE_TYPES.ClassBody) return;
+		body.declaration.body.body.forEach((def) => {
+			if (
+				def.type === AST_NODE_TYPES.MethodDefinition &&
+				'name' in def.key &&
+				def.key.name !== 'constructor' &&
+				def.value.type === AST_NODE_TYPES.FunctionExpression
+			)
+				parseFunction(def.key.name, def.value);
+		});
+	});