first commit

app_vue/node_modules/css-tree/lib/utils/names.js

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+var hasOwnProperty = Object.prototype.hasOwnProperty;
+var keywords = Object.create(null);
+var properties = Object.create(null);
+var HYPHENMINUS = 45; // '-'.charCodeAt()
+
+function isCustomProperty(str, offset) {
+    offset = offset || 0;
+
+    return str.length - offset >= 2 &&
+           str.charCodeAt(offset) === HYPHENMINUS &&
+           str.charCodeAt(offset + 1) === HYPHENMINUS;
+}
+
+function getVendorPrefix(str, offset) {
+    offset = offset || 0;
+
+    // verdor prefix should be at least 3 chars length
+    if (str.length - offset >= 3) {
+        // vendor prefix starts with hyper minus following non-hyper minus
+        if (str.charCodeAt(offset) === HYPHENMINUS &&
+            str.charCodeAt(offset + 1) !== HYPHENMINUS) {
+            // vendor prefix should contain a hyper minus at the ending
+            var secondDashIndex = str.indexOf('-', offset + 2);
+
+            if (secondDashIndex !== -1) {
+                return str.substring(offset, secondDashIndex + 1);
+            }
+        }
+    }
+
+    return '';
+}
+
+function getKeywordDescriptor(keyword) {
+    if (hasOwnProperty.call(keywords, keyword)) {
+        return keywords[keyword];
+    }
+
+    var name = keyword.toLowerCase();
+
+    if (hasOwnProperty.call(keywords, name)) {
+        return keywords[keyword] = keywords[name];
+    }
+
+    var custom = isCustomProperty(name, 0);
+    var vendor = !custom ? getVendorPrefix(name, 0) : '';
+
+    return keywords[keyword] = Object.freeze({
+        basename: name.substr(vendor.length),
+        name: name,
+        vendor: vendor,
+        prefix: vendor,
+        custom: custom
+    });
+}
+
+function getPropertyDescriptor(property) {
+    if (hasOwnProperty.call(properties, property)) {
+        return properties[property];
+    }
+
+    var name = property;
+    var hack = property[0];
+
+    if (hack === '/') {
+        hack = property[1] === '/' ? '//' : '/';
+    } else if (hack !== '_' &&
+               hack !== '*' &&
+               hack !== '$' &&
+               hack !== '#' &&
+               hack !== '+' &&
+               hack !== '&') {
+        hack = '';
+    }
+
+    var custom = isCustomProperty(name, hack.length);
+
+    // re-use result when possible (the same as for lower case)
+    if (!custom) {
+        name = name.toLowerCase();
+        if (hasOwnProperty.call(properties, name)) {
+            return properties[property] = properties[name];
+        }
+    }
+
+    var vendor = !custom ? getVendorPrefix(name, hack.length) : '';
+    var prefix = name.substr(0, hack.length + vendor.length);
+
+    return properties[property] = Object.freeze({
+        basename: name.substr(prefix.length),
+        name: name.substr(hack.length),
+        hack: hack,
+        vendor: vendor,
+        prefix: prefix,
+        custom: custom
+    });
+}
+
+module.exports = {
+    keyword: getKeywordDescriptor,
+    property: getPropertyDescriptor,
+    isCustomProperty: isCustomProperty,
+    vendorPrefix: getVendorPrefix
+};