hunk.code_window:       }
         // fast path for new create
         else if (len === 0) {
           for (j = 0; j < newLen; j++) {
             items[j] = newItems[j];
             mapped[j] = createRoot(mapper);
           }
           len = newLen;
         } else {
           temp = new Array(newLen);
  
hunk.labels: keep keep keep keep keep replace keep keep keep keep
hunk.after_edit:           mapped[j] = createRoot(mapper, ctx);
  
hunk.file_path: packages/solid/src/reactive/array.ts
hunk.type: replace
file: module.exports = {
    env: {
      test: {
        presets: [
          ["@babel/preset-env", { targets: { node: "current" } }],
          "@babel/preset-typescript"
        ],
        plugins: [
          [
            "babel-plugin-transform-rename-import",
            {
              replacements: [
                {
                  original: "rxcore",
                  replacement: "../../../packages/solid/web/src/core"
                },
                {
                  original: "^solid-js$",
                  replacement: "../../src",
                }
              ]
            }
          ],
          [
            "babel-plugin-jsx-dom-expressions",
            {
              moduleName: "../../web/src/index",
              contextToCustomElements: true,
              wrapConditionals: true
            }
          ]
        ]
      }
    }
  };
  