@antv/x6
Version:
JavaScript diagramming library that uses SVG and HTML for rendering.
49 lines • 1.53 kB
JavaScript
const extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array &&
function (d, b) {
d.__proto__ = b; // eslint-disable-line no-proto
}) ||
function (d, b) {
// eslint-disable-next-line no-restricted-syntax
for (const p in b) {
if (Object.prototype.hasOwnProperty.call(b, p)) {
d[p] = b[p];
}
}
};
/**
* @see https://github.com/microsoft/TypeScript/blob/5c85febb0ce9d6088cbe9b09cb42f73f9ee8ea05/src/compiler/transformers/es2015.ts#L4309
*/
// eslint-disable-next-line
export function inherit(cls, base) {
extendStatics(cls, base);
function tmp() {
this.constructor = cls;
}
cls.prototype =
base === null
? Object.create(base)
: ((tmp.prototype = base.prototype), new tmp());
}
class A {
}
const isNativeClass = /^\s*class\s+/.test(`${A}`) || /^\s*class\s*\{/.test(`${class {
}}`);
/**
* Extends class with specified class name.
*/
// eslint-disable-next-line
export function createClass(className, base) {
let cls;
if (isNativeClass) {
// eslint-disable-next-line no-new-func
cls = new Function('base', `return class ${className} extends base { }`)(base);
}
else {
// eslint-disable-next-line no-new-func
cls = new Function('base', `return function ${className}() { return base.apply(this, arguments) }`)(base);
inherit(cls, base);
}
return cls;
}
//# sourceMappingURL=inherit.js.map