remove dead code #93

Author: tbela99

dist/lib/syntax/utils.js

@@ -0,0 +1,70 @@
+import { EnumToken } from '../ast/types.js';
+import '../ast/minify.js';
+import '../ast/walk.js';
+import '../parser/parse.js';
+import '../parser/tokenize.js';
+import '../parser/utils/config.js';
+import './color/utils/constants.js';
+import '../renderer/sourcemap/lib/encode.js';
+
+function length2Px(value) {
+    let result = null;
+    if (value.typ == EnumToken.NumberTokenType) {
+        result = +value.val;
+    }
+    else {
+        switch (value.unit) {
+            case 'cm':
+                // @ts-ignore
+                result = value.val * 37.8;
+                break;
+            case 'mm':
+                // @ts-ignore
+                result = value.val * 3.78;
+                break;
+            case 'Q':
+                // @ts-ignore
+                result = value.val * 37.8 / 40;
+                break;
+            case 'in':
+                // @ts-ignore
+                result = value.val / 96;
+                break;
+            case 'pc':
+                // @ts-ignore
+                result = value.val / 16;
+                break;
+            case 'pt':
+                // @ts-ignore
+                result = value.val * 4 / 3;
+                break;
+            case 'px':
+                result = +value.val;
+                break;
+        }
+    }
+    return isNaN(result) ? null : result;
+}
+/**
+ * minify number
+ * @param val
+ */
+function minifyNumber(val) {
+    val = String(+val);
+    if (val === '0') {
+        return '0';
+    }
+    const chr = val.charAt(0);
+    if (chr == '-') {
+        const slice = val.slice(0, 2);
+        if (slice == '-0') {
+            return val.length == 2 ? '0' : '-' + val.slice(2);
+        }
+    }
+    if (chr == '0') {
+        return val.slice(1);
+    }
+    return val;
+}
+
+export { length2Px, minifyNumber };