Initial commit

src/packagemanager/npm/parsing/parseNpmInstallDryRunOutput.js

@@ -0,0 +1,57 @@
+export function parseDryRunOutput(output) {
+  const lines = output.split(/\r?\n/);
+  const packageChanges = [];
+
+  for (const line of lines) {
+    if (line.startsWith("add ")) {
+      packageChanges.push(parseAdd(line));
+    } else if (line.startsWith("remove ")) {
+      packageChanges.push(parseRemove(line));
+    } else if (line.startsWith("change ")) {
+      packageChanges.push(parseChange(line));
+    }
+  }
+
+  return packageChanges;
+}
+
+function parseAdd(line) {
+  const splitLine = getLineParts(line);
+  const packageName = splitLine[1];
+  const packageVersion = splitLine[splitLine.length - 1];
+  return addedPackage(packageName, packageVersion);
+}
+
+function addedPackage(name, version) {
+  return { type: "add", name, version };
+}
+
+function parseRemove(line) {
+  const splitLine = getLineParts(line);
+  const packageName = splitLine[1];
+  const packageVersion = splitLine[splitLine.length - 1];
+  return removedPackage(packageName, packageVersion);
+}
+
+function removedPackage(name, version) {
+  return { type: "remove", name, version };
+}
+
+function parseChange(line) {
+  const splitLine = getLineParts(line);
+  const packageName = splitLine[1];
+  const packageVersion = splitLine[splitLine.length - 1];
+  const oldVersion = splitLine[2];
+  return changedPackage(packageName, packageVersion, oldVersion);
+}
+
+function getLineParts(line) {
+  return line
+    .split(" ")
+    .map((part) => part.trim())
+    .filter((part) => part !== "");
+}
+
+function changedPackage(name, version, oldVersion) {
+  return { type: "change", name, version, oldVersion };
+}