hexo/node_modules/cssstyle/lib/properties/fontSize.js

39 lines
1.2 KiB
JavaScript

'use strict';
var TYPES = require('../parsers').TYPES;
var valueType = require('../parsers').valueType;
var parseMeasurement = require('../parsers').parseMeasurement;
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)
);
};
function parse(v) {
const valueAsString = String(v).toLowerCase();
const optionalArguments = absoluteSizes.concat(relativeSizes);
const isOptionalArgument = optionalArguments.some(
stringValue => stringValue.toLowerCase() === valueAsString
);
return isOptionalArgument ? valueAsString : parseMeasurement(v);
}
module.exports.definition = {
set: function(v) {
this._setProperty('font-size', parse(v));
},
get: function() {
return this.getPropertyValue('font-size');
},
enumerable: true,
configurable: true,
};