package.json

{
  "name": "@lit-labs/virtualizer",
  "version": "2.0.14",
  "description": "Viewport-based virtualization (virtual scrolling) for Lit",
  "author": "Google LLC",
  "license": "BSD-3-Clause",
  "homepage": "https://lit.dev/",
  "repository": {
    "type": "git",
    "url": "https://github.com/lit/lit.git",
    "directory": "packages/labs/virtualizer"
  },
  "main": "lit-virtualizer.js",
  "module": "lit-virtualizer.js",
  "type": "module",
  "exports": {
    ".": {
      "types": "./lit-virtualizer.d.ts",
      "default": "./lit-virtualizer.js"
    },
    "./events.js": {
      "types": "./events.d.ts",
      "default": "./events.js"
    },
    "./layouts/flexWrap.js": {
      "types": "./layouts/flexWrap.d.ts",
      "default": "./layouts/flexWrap.js"
    },
    "./layouts/flow.js": {
      "types": "./layouts/flow.d.ts",
      "default": "./layouts/flow.js"
    },
    "./layouts/grid.js": {
      "types": "./layouts/grid.d.ts",
      "default": "./layouts/grid.js"
    },
    "./layouts/masonry.js": {
      "types": "./layouts/masonry.d.ts",
      "default": "./layouts/masonry.js"
    },
    "./LitVirtualizer.js": {
      "types": "./LitVirtualizer.d.ts",
      "default": "./LitVirtualizer.js"
    },
    "./polyfillLoaders/ResizeObserver.js": {
      "types": "./polyfillLoaders/ResizeObserver.d.ts",
      "default": "./polyfillLoaders/ResizeObserver.js"
    },
    "./polyfills/resize-observer-polyfill/ResizeObserver.js": {
      "types": "./polyfills/resize-observer-polyfill/ResizeObserver.d.ts",
      "default": "./polyfills/resize-observer-polyfill/ResizeObserver.js"
    },
    "./support/method-interception.js": {
      "types": "./support/method-interception.d.ts",
      "default": "./support/method-interception.js"
    },
    "./support/resize-observer-errors.js": {
      "types": "./support/resize-observer-errors.d.ts",
      "default": "./support/resize-observer-errors.js"
    },
    "./virtualize.js": {
      "types": "./virtualize.d.ts",
      "default": "./virtualize.js"
    }
  },
  "scripts": {
    "bench": "tach --root=../../.. --browser=chrome-headless test/benchmarks/basic.html --measure=fcp",
    "bench:debug": "tach --root=../../.. test/benchmarks/basic.html --measure=fcp",
    "bench:scroll": "tach --force-clean-npm-install --config=test/benchmarks/scrollingBenchmarks.json",
    "build": "wireit",
    "build:copy-polyfill": "wireit",
    "build:ts": "wireit",
    "checksize": "rollup -c; rm lit-virtualizer.bundled.js lit-virtualizer-with-polyfills.bundled.js",
    "test": "wireit",
    "test:es5build": "wireit",
    "test:screenshot": "cd test/screenshot && rollup -c && mocha screenshot.js",
    "generate-screenshots": "cd test/screenshot && rollup -c && mocha screenshot.js --generate-screenshots"
  },
  "wireit": {
    "build": {
      "dependencies": [
        "build:ts",
        "build:copy-polyfill"
      ]
    },
    "build:copy-polyfill": {
      "command": "mkdir -p polyfills/resize-observer-polyfill && cp src/polyfills/resize-observer-polyfill/ResizeObserver.js polyfills/resize-observer-polyfill/ResizeObserver.js",
      "files": [
        "src/polyfills/resize-observer-polyfill/ResizeObserver.js"
      ],
      "output": [
        "polyfills/resize-observer-polyfill/ResizeObserver.js"
      ]
    },
    "build:ts": {
      "command": "tsc --build --pretty",
      "clean": "if-file-deleted",
      "files": [
        "src/**/*.ts",
        "tsconfig.json"
      ],
      "output": [
        ".tsbuildinfo",
        "layouts/**/*.{js,d.ts,d.ts.map}",
        "polyfillLoaders/**/*.{js,d.ts,d.ts.map}",
        "support/**/*.{js,d.ts,d.ts.map}",
        "test/**/*.{js,d.ts,d.ts.map}",
        "!test/screenshot/**",
        "events.{js,d.ts,d.ts.map}",
        "lit-virtualizer.{js,d.ts,d.ts.map}",
        "LitVirtualizer.{js,d.ts,d.ts.map}",
        "ScrollerController.{js,d.ts,d.ts.map}",
        "virtualize.{js,d.ts,d.ts.map}",
        "Virtualizer.{js,d.ts,d.ts.map}"
      ],
      "dependencies": [
        "../../internal-scripts:build",
        "../../lit:build"
      ]
    },
    "test": {
      "command": "node ../../tests/run-web-tests.js \"test/**/*.test.js\" --config web-test-runner.config.js --esbuild-target auto --node-resolve true",
      "dependencies": [
        "build",
        "test:es5build",
        "../../tests:build"
      ],
      "env": {
        "BROWSERS": {
          "external": true
        }
      },
      "files": [
        "web-test-runner.config.js"
      ],
      "output": []
    },
    "test:es5build": {
      "command": "tsc --target ES5 --noEmit --downlevelIteration",
      "dependencies": [
        "../../lit:build"
      ],
      "files": [
        "src/**/*.ts",
        "tsconfig.json"
      ],
      "output": []
    }
  },
  "files": [
    "/layouts/*.{d.ts,d.ts.map,js,js.map}",
    "/layouts/shared/*.{d.ts,d.ts.map,js,js.map}",
    "/polyfillLoaders/*.{d.ts,d.ts.map,js,js.map}",
    "/polyfills/resize-observer-polyfill/ResizeObserver.{d.ts,js}",
    "/support/*.{d.ts,d.ts.map,js,js.map}",
    "/events.{js,d.ts,d.ts.map,js.map}",
    "/lit-virtualizer.{d.ts,d.ts.map,js,js.map}",
    "/virtualize.{d.ts,d.ts.map,js,js.map}",
    "/Virtualizer.{d.ts,d.ts.map,js,js.map}",
    "/LitVirtualizer.{d.ts,d.ts.map,js,js.map}",
    "/ScrollerController.{d.ts,d.ts.map,js,js.map}"
  ],
  "devDependencies": {
    "@open-wc/testing": "^3.1.6",
    "@web/dev-server-esbuild": "^0.3.0",
    "tachometer": "^0.7.0"
  },
  "dependencies": {
    "lit": "^3.2.0",
    "tslib": "^2.0.3"
  }
}