Function generateToJsonBody

packages/alphatab/scripts/Serializer.toJson.ts:6–314

(serializable: TypeSchema, importer: (name: string, module: string) => void)

import type { TypeSchema } from './TypeSchema';

function generateToJsonBody(serializable: TypeSchema, importer: (name: string, module: string) => void) {
    const statements: ts.Statement[] = [];

    statements.push(
        createNodeFromSource<ts.IfStatement>(
            `
            if(!obj) {
                return null;
            }
        `,
            ts.SyntaxKind.IfStatement
        )
    );

    statements.push(
        createNodeFromSource<ts.VariableStatement>(
            `
            const o = new Map<string, unknown>();
        `,
            ts.SyntaxKind.VariableStatement
        )
    );

    for (const prop of serializable.properties) {
        const fieldName = prop.name;
        const jsonName = prop.jsonNames.filter(n => n !== '')[0];

        if (!jsonName || prop.isJsonReadOnly) {
            continue;
        }

        let propertyStatements: ts.Statement[] = [];

        if (prop.asRaw || prop.type.isPrimitiveType) {
            propertyStatements.push(
                createNodeFromSource<ts.ExpressionStatement>(
                    `
                    o.set(${JSON.stringify(jsonName)}, obj.${fieldName});
                `,
                    ts.SyntaxKind.ExpressionStatement
                )
            );
        } else if (prop.type.isEnumType) {
            if (prop.type.isNullable) {
                propertyStatements.push(
                    createNodeFromSource<ts.ExpressionStatement>(
                        `
                        o.set(${JSON.stringify(jsonName)}, obj.${fieldName} as number|null);
                    `,
                        ts.SyntaxKind.ExpressionStatement
                    )
                );
            } else if (prop.type.isOptional) {
                propertyStatements.push(
                    createNodeFromSource<ts.ExpressionStatement>(
                        `
                        o.set(${JSON.stringify(jsonName)}, obj.${fieldName} as number|undefined);
                    `,