feat(csv-issues-esm): issue 423

demo/issues-esm/lib/423.js

@@ -0,0 +1,45 @@
+'skip test'
+
+import fs from "node:fs";
+import os from "node:os";
+import dedent from "dedent";
+import { Writable } from "node:stream";
+// import { Readable } from "node:stream";
+import { pipeline } from "node:stream/promises";
+import { parse } from "csv-parse";
+import { stringify } from "csv-stringify";
+import { exec as _exec } from "node:child_process";
+import util from "node:util";
+const exec = util.promisify(_exec);
+
+const dir = os.tmpdir()
+
+const {stdout, stderr} = await exec(dedent`
+  [ -f ${dir}/csv-423/allCountries.txt ] && exit 0
+  mkdir -p ${dir}/csv-423
+  cd ${dir}/csv-423
+  curl https://download.geonames.org/export/dump/allCountries.zip -O
+  unzip allCountries.zip
+  ls -l
+`)
+
+await pipeline(
+  fs.createReadStream(`${dir}/csv-423/allCountries.txt`),
+  parse({
+    bom: true,
+    cast: true,
+    columns: false,
+    comment: "#",
+    comment_no_infix: true,
+    delimiter: "\t",
+    escape: null,
+    groupColumnsByName: false,
+    quote: null,
+    record_delimiter: ["\n", "\r", "\r\n"],
+    relax_quotes: true,
+    skip_empty_lines: true,
+  }),
+  stringify({ delimiter: "|" }),
+  // process.stdout
+  new Writable ({write: (chunk, encoding, callback) => callback()})
+);

demo/issues-esm/package.json

@@ -29,6 +29,7 @@
     "csv-generate": "^4.4.0",
     "csv-parse": "^5.5.5",
     "csv-stringify": "^6.4.6",
+    "dedent": "^1.5.3",
     "desm": "^1.3.0"
   }
 }