first commit

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

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+var stringify = require('postcss-value-parser').stringify;
+var uniqs = require('./uniqs')('monospace');
+
+// Note that monospace is missing intentionally from this list; we should not
+// remove instances of duplicated monospace keywords, it causes the font to be
+// rendered smaller in Chrome.
+
+var keywords = [
+    'sans-serif',
+    'serif',
+    'fantasy',
+    'cursive'
+];
+
+function intersection(haystack, array) {
+   return array.some(function (v) {
+        return ~haystack.indexOf(v);
+    });
+};
+
+module.exports = function (nodes, opts) {
+    var family = [];
+    var last = null;
+    var i, max;
+
+    nodes.forEach(function (node, index, nodes) {
+        var value = node.value;
+
+        if (node.type === 'string' || node.type === 'function') {
+            family.push(node);
+        } else if (node.type === 'word') {
+            if (!last) {
+                last = { type: 'word', value: '' };
+                family.push(last);
+            }
+
+            last.value += node.value;
+        } else if (node.type === 'space') {
+            if (last && index !== nodes.length - 1) {
+                last.value += ' ';
+            }
+        } else {
+            last = null;
+        }
+    });
+
+    family = family.map(function (node) {
+        if (node.type === 'string') {
+            if (
+                !opts.removeQuotes ||
+                intersection(node.value, keywords) ||
+                /[0-9]/.test(node.value.slice(0, 1))
+            ) {
+                return stringify(node);
+            }
+
+            var escaped = node.value.split(/\s/).map(function (word, index, words) {
+                var next = words[index + 1];
+                if (next && /^[^a-z]/i.test(next)) {
+                    return word + '\\';
+                }
+
+                if (!/^[^a-z\d\xa0-\uffff_-]/i.test(word)) {
+                    return word.replace(/([^a-z\d\xa0-\uffff_-])/gi, '\\$1');
+                }
+
+                if (/^[^a-z]/i.test(word) && index < 1) {
+                    return '\\' + word;
+                }
+
+                return word;
+            }).join(' ');
+
+            if (escaped.length < node.value.length + 2) {
+                return escaped;
+            }
+        }
+
+        return stringify(node);
+    });
+
+    if (opts.removeAfterKeyword) {
+        for (i = 0, max = family.length; i < max; i += 1) {
+            if (~keywords.indexOf(family[i])) {
+                family = family.slice(0, i + 1);
+                break;
+            }
+        }
+    }
+
+    if (opts.removeDuplicates) {
+        family = uniqs(family);
+    }
+
+    return [
+        {
+            type: 'word',
+            value: family.join()
+        }
+    ];
+};