feat!: inject style via constructable CSSStyleSheet and remove CSP entry (#847)

* chore: not inject inline css on server

* feat!: remove csp entry

* keep csp title in readme

* chore: switch to rolldown and tsdown

* update

* dedupe

* update according to review

* emphasize "both" in csp section

* load css with unplugin-raw

* change tsdown entry

.prettierignore

@@ -1,2 +1,3 @@
 pnpm-lock.yaml
 demo/data/*.json
+src/style.css

README.md

@@ -411,7 +411,7 @@ Static methods can be accessed from [`echarts` itself](https://echarts.apache.or
 
 ## CSP: `style-src` or `style-src-elem`
 
-If you are applying a CSP to prevent inline `<style>` injection, you need to use `vue-echarts/csp` instead of `vue-echarts` and include `vue-echarts/csp/style.css` manually.
+If you are **both** enforcing a strict CSP that prevents inline `<style>` injection and targeting browsers that don't support the [CSSStyleSheet() constructor](https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet/CSSStyleSheet#browser_compatibility), you need to manually include `vue-echarts/style.css`.
 
 ## Migration to v7
 

README.zh-Hans.md

@@ -411,7 +411,7 @@ Vue-ECharts 允许你通过 Vue 插槽来定义 ECharts 配置中的 [`tooltip.f
 
 ## CSP: `style-src` 或 `style-src-elem`
 
-如果你正在应用 CSP 来防止内联 `<style>` 注入，则需要使用 `vue-echarts/csp` 代替 `vue-echarts`，并手动引入 `vue-echarts/csp/style.css`。
+如果你执行严格的 CSP 策略来防止内联 `<style>` 注入，**并且**需要兼容不支持 [CSSStyleSheet() 构造函数](https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet/CSSStyleSheet#browser_compatibility) 的浏览器，则需要手动引入 `vue-echarts/style.css`。
 
 ## 迁移到 v7
 

package.json

@@ -10,7 +10,7 @@
   "author": "GU Yiling <justice360@gmail.com>",
   "scripts": {
     "dev": "vite",
-    "build": "pnpm run docs && rimraf dist && rollup -c",
+    "build": "pnpm run docs && tsdown",
     "typecheck": "tsc",
     "lint": "eslint . --fix",
     "format": "prettier . --write",
@@ -21,7 +21,7 @@
     "docs": "node ./scripts/docs.mjs",
     "prepublishOnly": "pnpm run typecheck && pnpm run dev:typecheck && pnpm run build && publint"
   },
-  "packageManager": "pnpm@10.12.4",
+  "packageManager": "pnpm@10.14.0",
   "type": "module",
   "main": "dist/index.js",
   "unpkg": "dist/index.min.js",
@@ -29,8 +29,7 @@
   "types": "dist/index.d.ts",
   "exports": {
     ".": "./dist/index.js",
-    "./csp": "./dist/csp/index.js",
+    "./style.css": "./dist/style.css"
-    "./csp/style.css": "./dist/csp/style.css"
   },
   "files": [
     "dist"
@@ -44,7 +43,7 @@
     "@types/node": "^22.15.21",
     "@typescript-eslint/utils": "^8.32.1",
     "@vercel/analytics": "^1.3.1",
-    "@vitejs/plugin-vue": "^5.2.4",
+    "@vitejs/plugin-vue": "^6.0.1",
     "@vue/eslint-config-prettier": "^10.2.0",
     "@vue/eslint-config-typescript": "^14.5.0",
     "@vue/tsconfig": "^0.7.0",
@@ -62,14 +61,11 @@
     "postcss-nested": "^7.0.2",
     "prettier": "^3.5.3",
     "publint": "^0.3.12",
-    "rimraf": "^6.0.1",
+    "tsdown": "^0.13.2",
-    "rollup": "^4.41.1",
-    "rollup-plugin-dts": "^6.2.1",
-    "rollup-plugin-esbuild": "^6.2.1",
-    "rollup-plugin-import-css": "^3.5.8",
     "typescript": "^5.8.3",
-    "vite": "^6.3.5",
+    "unplugin-raw": "^0.5.0",
+    "vite": "npm:rolldown-vite@latest",
     "vue": "^3.5.13",
-    "vue-tsc": "^2.2.10"
+    "vue-tsc": "^3.0.5"
   }
 }

rollup.config.js

@@ -1,104 +0,0 @@
-import esbuild from "rollup-plugin-esbuild";
-import { dts } from "rollup-plugin-dts";
-import css from "rollup-plugin-import-css";
-import { defineConfig } from "rollup";
-
-/**
- * Modifies the Rollup options for a build to support strict CSP
- * @param {import('rollup').RollupOptions} options the original options
- * @param {boolean} csp whether to support strict CSP
- * @returns {import('rollup').RollupOptions} the modified options
- */
-function configBuild(options, csp) {
-  const result = { ...options };
-  const { plugins, output } = result;
-
-  result.plugins = [
-    ...plugins,
-    css({
-      ...(csp ? { output: "style.css" } : { inject: true }),
-      minify: true,
-    }),
-  ];
-
-  // modify output file names
-  if (csp && output) {
-    result.output = (Array.isArray(output) ? output : [output]).map(
-      (output) => {
-        return {
-          ...output,
-          file: output.file.replace(/^dist\//, "dist/csp/"),
-          assetFileNames: "[name][extname]",
-        };
-      },
-    );
-  }
-
-  return result;
-}
-
-/** @type {import('rollup').RollupOptions[]} */
-const builds = [
-  {
-    input: "src/index.ts",
-    plugins: [esbuild()],
-    external: ["vue", /^echarts/],
-    output: [
-      {
-        file: "dist/index.js",
-        format: "esm",
-        sourcemap: true,
-      },
-    ],
-  },
-  {
-    input: "src/global.ts",
-    plugins: [esbuild({ minify: true })],
-    external: ["vue", /^echarts/],
-    output: [
-      {
-        file: "dist/index.min.js", // for unpkg/jsdelivr
-        format: "umd",
-        name: "VueECharts",
-        exports: "default",
-        sourcemap: true,
-        globals: {
-          vue: "vue",
-          echarts: "echarts",
-          "echarts/core": "echarts",
-        },
-      },
-    ],
-  },
-];
-
-export default defineConfig([
-  ...builds.map((options) => configBuild(options, false)),
-  ...builds.map((options) => configBuild(options, true)),
-  {
-    input: "src/index.ts",
-    plugins: [
-      dts({
-        // https://github.com/unjs/unbuild/pull/57/files
-        compilerOptions: {
-          preserveSymlinks: false,
-        },
-      }),
-      {
-        load(id) {
-          if (id.endsWith(".css")) return "";
-        },
-      },
-    ],
-    output: [
-      {
-        file: "dist/index.d.ts",
-        format: "esm",
-      },
-      {
-        file: "dist/csp/index.d.ts",
-        format: "esm",
-      },
-    ],
-  },
-]);

src/ECharts.ts

@@ -41,7 +41,7 @@ import type {
 } from "./types";
 import type { EChartsElement } from "./wc";
 
-import "./style.css";
+import "./style.ts";
 
 const wcRegistered = register();
 

src/style.css

@@ -1,6 +1 @@
-x-vue-echarts {
+x-vue-echarts{display:block;width:100%;height:100%;min-width:0;}
-  display: block;
-  width: 100%;
-  height: 100%;
-  min-width: 0;
-}

src/style.ts

@@ -0,0 +1,16 @@
+import cssRules from "./style.css?raw";
+
+if (typeof document !== "undefined") {
+  if (
+    Array.isArray(document.adoptedStyleSheets) &&
+    "replaceSync" in CSSStyleSheet.prototype
+  ) {
+    const sheet = new CSSStyleSheet();
+    sheet.replaceSync(cssRules);
+    document.adoptedStyleSheets = [...document.adoptedStyleSheets, sheet];
+  } else {
+    const styleEl = document.createElement("style");
+    styleEl.textContent = cssRules;
+    document.head.appendChild(styleEl);
+  }
+}

tsconfig.json

@@ -12,6 +12,7 @@
     "allowSyntheticDefaultImports": true,
     "noEmit": true,
     "baseUrl": ".",
+    "types": ["vite/client"],
     "lib": ["ESNext", "DOM", "DOM.Iterable", "ScriptHost"]
   },
   "include": ["src/**/*.ts", "src/**/*.tsx"],

tsconfig.node.json

@@ -1,10 +1,5 @@
 {
-  "include": [
+  "include": ["*.config.*"],
-    "vite.config.*",
-    "vitest.config.*",
-    "eslint.config.*",
-    "rollup.config.*"
-  ],
   "compilerOptions": {
     "composite": true,
     "lib": ["ESNext"],

tsdown.config.ts

@@ -0,0 +1,32 @@
+import { defineConfig } from "tsdown";
+import raw from "unplugin-raw/rollup";
+
+export default defineConfig([
+  {
+    entry: "src/index.ts",
+    platform: "browser",
+    sourcemap: true,
+    copy: ["src/style.css"],
+    plugins: [raw()],
+  },
+  {
+    entry: "src/global.ts",
+    outputOptions: {
+      file: "dist/index.min.js", // for unpkg/jsdelivr
+      dir: undefined,
+      format: "umd",
+      name: "VueECharts",
+      exports: "default",
+      globals: {
+        vue: "Vue",
+        echarts: "echarts",
+        "echarts/core": "echarts",
+      },
+    },
+    platform: "browser",
+    sourcemap: true,
+    minify: true,
+    dts: false,
+    plugins: [raw()],
+  },
+]);