@maxgraph/core
Version:
maxGraph is a fully client side JavaScript diagramming library that uses SVG and HTML for rendering.
50 lines (46 loc) • 1.71 kB
JavaScript
/*
Copyright 2024-present The maxGraph project Contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { isNumeric } from '../../../util/mathUtils.js';
// from mxGraph to maxGraph
const fieldMapping = new Map([['autosize', 'autoSize']]);
export function convertStyleFromString(input) {
const style = {};
input.startsWith(';') && (style.ignoreDefaultStyle = true);
const elements = input
.split(';')
// filter empty key
.filter(([k]) => k);
for (const element of elements) {
if (!element.includes('=')) {
!style.baseStyleNames && (style.baseStyleNames = []);
style.baseStyleNames.push(element);
}
else {
const [key, value] = element.split('=');
// @ts-ignore
style[fieldMapping.get(key) ?? key] = convertToNumericIfNeeded(value);
}
}
return style;
}
function convertToNumericIfNeeded(value) {
// Adapted from ObjectCodec.convertAttributeFromXml
if (!isNumeric(value)) {
return value;
}
let numericValue = parseFloat(value);
if (Number.isNaN(numericValue) || !Number.isFinite(numericValue)) {
numericValue = 0;
}
return numericValue;
}