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node_modules/cssstyle/lib/properties/borderStyle.js

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+'use strict';
+
+var implicitSetter = require('../parsers').implicitSetter;
+
+// the valid border-styles:
+var styles = ['none', 'hidden', 'dotted', 'dashed', 'solid', 'double', 'groove', 'ridge', 'inset', 'outset'];
+
+module.exports.isValid = function parse(v) {
+    return typeof v === 'string' && (v === '' || styles.indexOf(v) !== -1);
+};
+var isValid = module.exports.isValid;
+
+var parser = function (v) {
+    if (isValid(v)) {
+        return v.toLowerCase();
+    }
+    return undefined;
+};
+
+module.exports.definition = {
+    set: implicitSetter('border', 'style', isValid, parser),
+    get: function () {
+        return this.getPropertyValue('border-style');
+    },
+    enumerable: true,
+    configurable: true
+};