fix(cache): fix download caches

* also fix npm config running 4 times in the worst case
* factor out unzip methods
* factor and enhance trimindent
* factor out more utils
* restore windows build, which failed cause generate-i18n-messages did not write any files

src/bin/tools/trimIndent.ts

@@ -0,0 +1,51 @@
+/**
+ * Concatenate the string fragments and interpolated values
+ * to get a single string.
+ */
+function populateTemplate(strings: TemplateStringsArray, ...args: any[]) {
+    const chunks = [];
+    for (let i = 0; i < strings.length; i++) {
+        let lastStringLineLength = 0;
+        if (strings[i]) {
+            chunks.push(strings[i]);
+            // remember last indent of the string portion
+            lastStringLineLength = strings[i].split("\n").at(-1)?.length ?? 0;
+        }
+        if (args[i]) {
+            // if the interpolation value has newlines, indent the interpolation values
+            // using the last known string indent
+            chunks.push(args[i].replace(/([\r?\n])/g, "$1" + " ".repeat(lastStringLineLength)));
+        }
+    }
+    return chunks.join("");
+}
+
+function trimIndentPrivate(removeEmptyLeadingAndTrailingLines: boolean, strings: TemplateStringsArray, ...args: any[]) {
+    // Remove initial and final newlines
+    let string = populateTemplate(strings, ...args);
+    if (removeEmptyLeadingAndTrailingLines) string = string.replace(/^[\r\n]/, "").replace(/[^\S\r\n]*[\r\n]$/, "");
+    const dents = string.match(/^([ \t])+/gm)?.map(s => s.length) ?? [];
+    // No dents? no change required
+    if (!dents || dents.length == 0) return string;
+    const minDent = Math.min(...dents);
+    // The min indentation is 0, no change needed
+    if (!minDent) return string;
+    const dedented = string.replace(new RegExp(`^${" ".repeat(minDent)}`, "gm"), "");
+    return dedented;
+}
+
+/**
+ * Shift all lines left by the *smallest* indentation level,
+ * and remove initial newline and all trailing spaces.
+ */
+export default function trimIndent(strings: TemplateStringsArray, ...args: any[]) {
+    return trimIndentPrivate(true, strings, ...args);
+}
+
+/**
+ * Shift all lines left by the *smallest* indentation level,
+ * and _keep_ initial newline and all trailing spaces.
+ */
+trimIndent.keepLeadingAndTrailingNewlines = function (strings: TemplateStringsArray, ...args: any[]) {
+    return trimIndentPrivate(false, strings, ...args);
+};