After downgrating (after the beta test of colors) my extension stoped building

@typescript-eslint/no-unused-vars: 'loadNodeModules' is defined but never used. Allowed unused vars must match /^_/u.
     7 | let path: any;
     8 |
>  9 | async function loadNodeModules() {
       |                ^^^^^^^^^^^^^^^
    10 |   if (typeof window === 'undefined' && !postcss) {
    11 |     postcss = (await import('postcss')).default;
    12 |     fs = await import('fs');

ERROR in resources/scripts/blueprint/utility/theme.ts:28:7
prefer-const: 'vars' is never reassigned. Use 'const' instead.
    26 |   const cssContent = fs.readFileSync(cssFilePath, 'utf8');
    27 |   const root = postcss.parse(cssContent);
> 28 |   let vars: Record<string, string> = {};
       |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    29 |
    30 |   root.walkAtRules('import', (rule: any) => {
    31 |     let importPath = rule.params.replace(/['"]/g, '');

ERROR in resources/scripts/blueprint/utility/theme.ts:104:13
prefer-const: 'value' is never reassigned. Use 'const' instead.
    102 |
    103 |       if (cssVarsCache[cssVarName]) {
> 104 |         let value = resolveCssVarValue(cssVarsCache[cssVarName], cssVarsCache);
        |             ^^^^^
    105 |
    106 |         if (path.startsWith('colors.')) {
    107 |           return rgbToHex(value);