Improve npm package size and documentation

README.md

@@ -1,8 +1,8 @@
 # Node-X12
 
-An ASC X12 parser, generator, query engine, and mapper written for NodeJS.
-Parsing supports reading from streams to conserve resources in memory-intensive
-operations.
+An ASC X12 parser, generator, query engine, and mapper written for NodeJS and
+Deno. Parsing supports reading from Node streams to conserve resources in
+memory-intensive operations.
 
 [![Denoland/X Module](https://shield.deno.dev/x/x12)](https://deno.land/x/x12)
 [![npm version](https://badge.fury.io/js/node-x12.svg)](https://badge.fury.io/js/node-x12)
@@ -16,6 +16,7 @@ operations.
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=aaronhuggins_node-x12&metric=alert_status)](https://sonarcloud.io/dashboard?id=aaronhuggins_node-x12)
 [![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=aaronhuggins_node-x12&metric=sqale_rating)](https://sonarcloud.io/dashboard?id=aaronhuggins_node-x12)
 [![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=aaronhuggins_node-x12&metric=security_rating)](https://sonarcloud.io/dashboard?id=aaronhuggins_node-x12)
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=aaronhuggins_node-x12&metric=coverage)](https://sonarcloud.io/summary/new_code?id=aaronhuggins_node-x12)
 
 ## Installing
 

scripts/build_npm.ts

@@ -90,6 +90,25 @@ await build({
 });
 
 // post build steps
+class Appender {
+  encoder = new TextEncoder();
+  file: Promise<Deno.FsFile>;
+  constructor(file: string) {
+    this.file = Deno.open(file, { append: true });
+  }
+  async write(line: string) {
+    (await this.file).write(this.encoder.encode(line + "\n"));
+  }
+  async close() {
+    (await this.file).close();
+  }
+}
+
+const npmignore = new Appender("npm/.npmignore");
+await npmignore.write("esm/test/test-data/**");
+await npmignore.write("script/test/test-data/**");
+await npmignore.close();
+
 await Deno.copyFile("LICENSE.md", "npm/LICENSE.md");
 await Deno.copyFile("README.md", "npm/README.md");