@macalinao/codama-renderers-js-esm/dist/render-esm-typescript-visitor.js

ESM-native TypeScript renderer for Codama JavaScript code generation

import { getRenderMapVisitor } from "@codama/renderers-js";
import { rootNodeVisitor, visit } from "codama";
import { ESM_DEPENDENCY_MAP } from "./constants.js";
/**
 * Codama visitor for rendering the code to be TypeScript compatible.
 * @param path
 * @returns
 */
export function renderESMTypeScriptVisitor(path) {
    return rootNodeVisitor((root) => {
        // Render the new files.
        const renderMap = visit(root, getRenderMapVisitor({
            dependencyMap: ESM_DEPENDENCY_MAP,
        }));
        const index = renderMap.get("index.ts");
        renderMap.add("index.ts", index.replace(/(export\s+\*\s+from\s+['"])(\.\/[^'"]+)(['"])/g, (_, prefix, path, quote) => `${prefix}${path}/index.js${quote}`));
        renderMap.mapContent((code) => {
            const updated = code
                // .replace(/= 0x([\da-f]+), \/\//g, "= 0x$1; //")
                .replaceAll("process.env.NODE_ENV !== 'production'", "true")
                .replaceAll(";;", ";")
                // Add return type annotations for functions that return simple types
                .replace(/export const (\w+DISCRIMINATOR)\s*=\s*new Uint8Array\(/g, "export const $1: ReadonlyUint8Array = new Uint8Array(")
                .replace(/export function (get\w+DiscriminatorBytes)\(\)\s*{/g, "export function $1(): ReadonlyUint8Array {")
                .replace(/(export\s+\*\s+from\s+['"])(\.\/[^'"]+?)(?<!\.(js|ts|mjs|cjs|json))(['"])/g, (_, prefix, path) => `${prefix}${path}.js'`)
                .replace(/from\s+['"]\.['"]/g, 'from "./index.js"');
            return updated;
        });
        renderMap.write(path);
    });
}
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