moving build file into tools, keep rootdir clean (#1434)

* moving build file into tools, keep rootdir clean

* formatting

* make flake happy

tools/build.py

@@ -0,0 +1,103 @@
+import glob
+import os
+import warnings
+from pathlib import Path
+from typing import List
+
+LNBITS_PATH = Path("lnbits").absolute()
+
+
+def get_js_vendored(prefer_minified: bool = False) -> List[str]:
+    paths = get_vendored(".js", prefer_minified)
+
+    def sorter(key: str):
+        if "moment@" in key:
+            return 1
+        if "vue@" in key:
+            return 2
+        if "vue-router@" in key:
+            return 3
+        if "polyfills" in key:
+            return 4
+        return 9
+
+    return sorted(paths, key=sorter)
+
+
+def get_css_vendored(prefer_minified: bool = False) -> List[str]:
+    paths = get_vendored(".css", prefer_minified)
+
+    def sorter(key: str):
+        if "quasar@" in key:
+            return 1
+        if "vue@" in key:
+            return 2
+        if "chart.js@" in key:
+            return 100
+        return 9
+
+    return sorted(paths, key=sorter)
+
+
+def get_vendored(ext: str, prefer_minified: bool = False) -> List[str]:
+    paths: List[str] = []
+    for path in glob.glob(
+        os.path.join(LNBITS_PATH, "static/vendor/**"), recursive=True
+    ):
+        if path.endswith(".min" + ext):
+            # path is minified
+            unminified = path.replace(".min" + ext, ext)
+            if prefer_minified:
+                paths.append(path)
+                if unminified in paths:
+                    paths.remove(unminified)
+            elif unminified not in paths:
+                paths.append(path)
+
+        elif path.endswith(ext):
+            # path is not minified
+            minified = path.replace(ext, ".min" + ext)
+            if not prefer_minified:
+                paths.append(path)
+                if minified in paths:
+                    paths.remove(minified)
+            elif minified not in paths:
+                paths.append(path)
+
+    return sorted(paths)
+
+
+def url_for_vendored(abspath: str) -> str:
+    return "/" + os.path.relpath(abspath, LNBITS_PATH)
+
+
+def transpile_scss():
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        from scss.compiler import compile_string  # type: ignore
+
+        with open(os.path.join(LNBITS_PATH, "static/scss/base.scss")) as scss:
+            with open(os.path.join(LNBITS_PATH, "static/css/base.css"), "w") as css:
+                css.write(compile_string(scss.read()))
+
+
+def bundle_vendored():
+    for getfiles, outputpath in [
+        (get_js_vendored, os.path.join(LNBITS_PATH, "static/bundle.js")),
+        (get_css_vendored, os.path.join(LNBITS_PATH, "static/bundle.css")),
+    ]:
+        output = ""
+        for path in getfiles():
+            with open(path) as f:
+                output += "/* " + url_for_vendored(path) + " */\n" + f.read() + ";\n"
+        with open(outputpath, "w") as f:
+            f.write(output)
+
+
+def build():
+    transpile_scss()
+    bundle_vendored()
+
+
+if __name__ == "__main__":
+    build()