From dd3a70f877edd807bd2ab5184b831c2f4335e3e7 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Sat, 4 Jul 2020 20:27:04 -0400
Subject: simplifications and refactoring

---
 wfs.py | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/wfs.py b/wfs.py
index 48c033b..c932c3d 100755
--- a/wfs.py
+++ b/wfs.py
@@ -39,7 +39,7 @@ if config['screenshots']:
             'font-family:"', font['family'], '";',
             'font-weight:', font['weight'], ';',
             'font-style:', font['style'], ';',
-            'src: url("', font["fontfile"], '") format("opentype");',
+            'src: url("', font["fontfile"], '");',
             '}'])
 
     REPLACE_FONTS_SCRIPT = ''.join([
@@ -50,7 +50,7 @@ if config['screenshots']:
 EXTRACT_SCRIPT = r'''
     let whitelist = new Set(arguments[0]);
     let walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT);
-    let node, dict = new Map();
+    let node, dict = {};
     while (node = walker.nextNode()) {
         let cs = getComputedStyle(node.parentNode);
         let css = k => cs.getPropertyValue(k);
@@ -61,16 +61,11 @@ EXTRACT_SCRIPT = r'''
                 css('font-style');
         if (!whitelist.has(k))
             continue;
-        const t = node.nodeValue;
-        if (dict.has(k))
-            for (let c of t)
-                dict.get(k).add(c);
-        else
-            dict.set(k, new Set(t));
+        if (!(k in dict))
+            dict[k] = '';
+        dict[k] += node.nodeValue;
     }
-    let dict2 = {};
-    dict.forEach((v, k) => dict2[k] = [...v.keys()].join(''));
-    return dict2;
+    return dict;
 '''
 
 DRIVER = None
@@ -159,7 +154,7 @@ def subset(fontdesc, text, fts_opts):
         if 'outfile' in fontdesc and flavor in fontdesc['outfile']:
             outfile = fontdesc['outfile'][flavor]
         else:
-            outfile = re.sub(r'\.otf$', f'.subset.{flavor}', fontfile)
+            outfile = re.sub(r'\.[ot]tf$', f'.subset.{flavor}', fontfile)
         if outfile == fontfile:
             raise Exception('cannot overwrite font file')
         ret.append((font, flavor, outfile))
-- 
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