WIP

src/runner/csv.js

@@ -1,4 +1,4 @@
-import { mkdirSync, writeFileSync } from 'fs';
+import { mkdirSync, writeFileSync, readFileSync } from 'fs';
 
 // Rows to a CSV file. CSV_SEPARATOR is ';' by default. A cell is quoted
 // only when it holds the separator, a quote or a newline; a quote inside a
@@ -23,4 +23,18 @@ export function writeCsv(name, csv) {
   const file = `${SHARE_DIR}/${name}`;
   writeFileSync(file, csv, 'utf8');
   return file;
+}
+
+// The spec of the run, next to its CSV (same base name, .ttl), so a report
+// can be debugged afterwards. The store keeps only the pointer.
+export function writeSpec(csvName, spec) {
+  mkdirSync(SHARE_DIR, { recursive: true });
+  const name = csvName.replace(/\.csv$/, '') + '.ttl';
+  writeFileSync(`${SHARE_DIR}/${name}`, spec, 'utf8');
+  return `share://${name}`;
+}
+
+export function readSpec(pointer) {
+  if (!pointer.startsWith('share://')) throw new Error(`not a share:// pointer: ${pointer}`);
+  return readFileSync(`${SHARE_DIR}/${pointer.slice('share://'.length)}`, 'utf8');
 }