Add ESLint unicorn plugin (#627)

Rules disabled by default to allow incremental integration.

src/LiteGraphGlobal.ts

@@ -632,11 +632,11 @@ export class LiteGraphGlobal {
   // used to create nodes from wrapping functions
   getParameterNames(func: (...args: any) => any): string[] {
     return (func + "")
-      .replace(/[/][/].*$/gm, "") // strip single-line comments
+      .replace(/\/\/.*$/gm, "") // strip single-line comments
       .replace(/\s+/g, "") // strip white space
-      .replace(/[/][*][^/*]*[*][/]/g, "") // strip multi-line comments  /**/
+      .replace(/\/\*[^*/]*\*\//g, "") // strip multi-line comments  /**/
       .split("){", 1)[0]
-      .replace(/^[^(]*[(]/, "") // extract the parameters
+      .replace(/^[^(]*\(/, "") // extract the parameters
       .replace(/=[^,]+/g, "") // strip any ES6 defaults
       .split(",")
       .filter(Boolean) // split & filter [""]

src/widgets/NumberWidget.ts

@@ -127,7 +127,7 @@ export class NumberWidget extends BaseWidget implements INumericWidget {
     // Handle center click - show prompt
     canvas.prompt("Value", this.value, (v: string) => {
       // Check if v is a valid equation or a number
-      if (/^[0-9+\-*/()\s]+|\d+\.\d+$/.test(v)) {
+      if (/^[\d\s()*+/-]+|\d+\.\d+$/.test(v)) {
         // Solve the equation if possible
         try {
           v = eval(v)