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build/node_modules/postcss-minify-font-values/lib/minify-font.js

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+var unit = require('postcss-value-parser').unit;
+var keywords = require('./keywords');
+var minifyFamily = require('./minify-family');
+var minifyWeight = require('./minify-weight');
+
+module.exports = function (nodes, opts) {
+    var i, max, node, familyStart, family;
+    var hasSize = false;
+
+    for (i = 0, max = nodes.length; i < max; i += 1) {
+        node = nodes[i];
+        if (node.type === 'word') {
+            if (node.value === 'normal' ||
+                ~keywords.style.indexOf(node.value) ||
+                ~keywords.variant.indexOf(node.value) ||
+                ~keywords.stretch.indexOf(node.value)) {
+                if (!hasSize) {
+                    familyStart = i;
+                }
+            } else if (~keywords.weight.indexOf(node.value)) {
+                if (!hasSize) {
+                    node.value = minifyWeight(node.value, opts);
+                    familyStart = i;
+                }
+            } else if (~keywords.size.indexOf(node.value) || unit(node.value)) {
+                if (!hasSize) {
+                    familyStart = i;
+                    hasSize = true;
+                }
+            }
+        } else if (node.type === 'div') {
+            node.before = '';
+            node.after = '';
+            if (node.value === '/') {
+                familyStart = i + 1;
+            }
+            break;
+        } else if (node.type === 'space') {
+            node.value = ' ';
+        }
+    }
+
+    if (!isNaN(familyStart)) {
+        familyStart += 2;
+        family = minifyFamily(nodes.slice(familyStart), opts);
+        nodes = nodes.slice(0, familyStart).concat(family);
+    }
+
+    return nodes;
+};