Fix build:all output on Windows

tools/build/_/index.ts

@@ -22,6 +22,7 @@
 
 import * as chokidar from "chokidar"
 import * as fs from "fs/promises"
+import * as path from "path"
 import {
   EMPTY,
   Observable,
@@ -120,7 +121,7 @@ export function resolve(
 
       /* Build overrides */
       !process.argv.includes("--all")
-        ? filter(file => !file.startsWith(".overrides/"))
+        ? filter(file => !file.startsWith(`.overrides${path.sep}`))
         : identity,
     )
 }

tools/build/index.ts

@@ -27,6 +27,7 @@ import {
   concat,
   defer,
   from,
+  identity,
   map,
   merge,
   mergeMap,
@@ -112,6 +113,75 @@ function minsvg(data: string): string {
   return result.data
 }
 
+/**
+ * Return a path with POSIX style separators
+ *
+ * The default function assumes UNIX system, so it just returns the path.
+ *
+ * @param p - string path
+ * @returns String path
+ */
+let assurePosixSep = function (p: string): string {
+  return p
+};
+
+/**
+ * Return a path with POSIX style separators
+ *
+ * The Windows variant of this function replaces the separator with regex.
+ *
+ * @param p - string path
+ * @returns String path
+ */
+function assurePosixSepWin(p: string): string {
+  return p.replace(winSepRegex, path.posix.sep)
+};
+
+const winSepRegex = new RegExp(`\\${path.win32.sep}`, "g");
+
+if (path.sep === path.win32.sep) {
+  assurePosixSep = assurePosixSepWin;
+}
+
+/**
+ * Compare two path strings to decide on the order
+ *
+ * On Windows the default order of paths containing `_` from the resolve function
+ * is different than on macOS. This function restores the order to the usual.
+ * Implementation adapted based on https://t.ly/VJp78
+ *
+ * Note: The paths should have no extension like .svg, just the name. Otherwise
+ * it won't check the compare.startsWith(reference) properly.
+ *
+ * @param reference Left string to compare
+ * @param compare Right string to compare against
+ * @returns Number for the sort function to define the order
+ */
+function sortOrderForWindows(reference: string, compare: string): number {
+  reference = reference.toLowerCase();
+  compare = compare.toLowerCase();
+
+  const length = Math.min(reference.length, compare.length);
+
+  for (let i = 0; i < length; i++) {
+    const leftChar = reference[i];
+    const rightChar = compare[i];
+
+    if (leftChar !== rightChar)
+      return customAlphabet.indexOf(leftChar) - customAlphabet.indexOf(rightChar);
+  }
+
+  if (reference.length !== compare.length) {
+    if (compare.startsWith(reference) && compare[reference.length] === "-")
+      return 1;
+    return reference.length - compare.length;
+  }
+
+  return 0;
+}
+
+const customAlphabet: string = "_,-./0123456789abcdefghijklmnopqrstuvwxyz";
+
 /* ----------------------------------------------------------------------------
  * Tasks
  * ------------------------------------------------------------------------- */
@@ -187,7 +257,7 @@ const sources$ = copyAll("**/*.py", {
 const stylesheets$ = resolve("**/[!_]*.scss", { cwd: "src" })
   .pipe(
     mergeMap(file => zip(
-      of(ext(file, ".css").replace(/(overrides|templates)\//, "")),
+      of(ext(file, ".css").replace(new RegExp(`(overrides|templates)\\${path.sep}`), "")),
       transformStyle({
         from: `src/${file}`,
         to: ext(`${base}/${file}`, ".css")
@@ -199,7 +269,7 @@ const stylesheets$ = resolve("**/[!_]*.scss", { cwd: "src" })
 const javascripts$ = resolve("**/{custom,bundle,search}.ts", { cwd: "src" })
   .pipe(
     mergeMap(file => zip(
-      of(ext(file, ".js").replace(/(overrides|templates)\//, "")),
+      of(ext(file, ".js").replace(new RegExp(`(overrides|templates)\\${path.sep}`), "")),
       transformScript({
         from: `src/${file}`,
         to: ext(`${base}/${file}`, ".js")
@@ -229,10 +299,10 @@ const manifest$ = merge(
   .pipe(
     scan((prev, mapping) => (
       mapping.reduce((next, [key, value]) => (
-        next.set(key, value.replace(
-          new RegExp(`${base}\\/(overrides|templates)\\/`),
+        next.set(assurePosixSep(key), assurePosixSep(value.replace(
+          new RegExp(`${base}\\/(overrides|templates)\\${path.sep}`),
           ""
-        ))
+        )))
       ), prev)
     ), new Map<string, string>()),
   )
@@ -291,9 +361,15 @@ const icons$ = defer(() => resolve("**/*.svg", {
 }))
   .pipe(
     reduce((index, file) => index.set(
-      file.replace(/\.svg$/, "").replace(/\//g, "-"),
-      file
-    ), new Map<string, string>())
+      file.replace(/\.svg$/, "").replace(new RegExp(`\\${path.sep}`, "g"), "-"),
+      assurePosixSep(file)
+    ), new Map<string, string>()),
+    // The icons are stored in the index file, and the output needs to be OS
+    // agnostic. Some icons contain the `_` character, which has different order
+    // in the glob output on Windows.
+    (path.sep === path.win32.sep) ? map(icons => new Map(
+      [...icons].sort((a, b) => sortOrderForWindows(a[0], b[0]))
+    )) : identity
   )
 
 /* Compute emoji mappings (based on Twemoji) */
@@ -372,7 +448,7 @@ const schema$ = merge(
           "reference/icons-emojis/#search"
         ].join("/"),
         "type": "string",
-        "enum": icons.map(icon => icon.replace(".svg", ""))
+        "enum": icons.map(icon => assurePosixSep(icon.replace(".svg", "")))
       })),
       switchMap(data => write(
         "docs/schema/assets/icons.json",

tools/build/transform/index.ts

@@ -60,7 +60,8 @@ interface TransformOptions {
 /**
  * Base directory for source map resolution
  */
-const root = new RegExp(`file://${path.resolve(".")}/`, "g")
+const currentPath = path.resolve(".").replace(new RegExp(`\\${path.win32.sep}`, "g"), path.posix.sep)
+const root = path.sep === path.posix.sep ? new RegExp(`file://${currentPath}/`, "g") : new RegExp(`file:///${currentPath}/`, "g")
 
 /* ----------------------------------------------------------------------------
  * Helper functions