draft

node_modules/cssstyle/lib/properties/fontSize.js

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+'use strict';
+
+var TYPES = require('../parsers').TYPES;
+var valueType = require('../parsers').valueType;
+
+var absoluteSizes = ['xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large'];
+var relativeSizes = ['larger', 'smaller'];
+
+module.exports.isValid = function (v) {
+    var type = valueType(v.toLowerCase());
+    return type === TYPES.LENGTH || type === TYPES.PERCENT ||
+        (type === TYPES.KEYWORD && absoluteSizes.indexOf(v.toLowerCase()) !== -1) ||
+        (type === TYPES.KEYWORD && relativeSizes.indexOf(v.toLowerCase()) !== -1);
+};
+
+module.exports.definition = {
+    set: function (v) {
+        this._setProperty('font-size', v);
+    },
+    get: function () {
+        return this.getPropertyValue('font-size');
+    },
+    enumerable: true,
+    configurable: true
+};