Merge pull request #183 from finn-no/fix/publish-packages

fix: mirror exports field so we can have individual imports

Author: wkillerud

packages/warp-ds-elements-core/rollup.config.js

@@ -1,43 +1,87 @@
+import fs from "fs";
+import path from "path";
 import { createRequire } from "module";
 import plugin from "@eik/rollup-plugin";
 import terser from "@rollup/plugin-terser";
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
 
+const moduleName = "@warp-ds/elements-core";
+
 const { resolve } = createRequire(import.meta.url);
 
-const versions = ["2", "3"];
-const config = [];
+function getSubpathExports(modulePath) {
+  let absolutePath = resolve(modulePath);
+  absolutePath = absolutePath.substring(
+    0,
+    absolutePath.indexOf(moduleName) + moduleName.length + "/".length
+  );
+  const packageJsonPath = path.join(absolutePath, "package.json");
+  try {
+    const packageJsonContent = fs.readFileSync(packageJsonPath, "utf8");
+    const packageJson = JSON.parse(packageJsonContent);
+    if (!packageJson) {
+      console.error(`Error parsing package.json: ${packageJsonPath}`);
+      return null;
+    }
+    if (packageJson.exports) {
+      for (const [key, value] of Object.entries(packageJson.exports)) {
+        if (!value.endsWith(".js")) {
+          delete packageJson.exports[key];
+        }
+      }
+      return packageJson.exports;
+    } else {
+      return { ".": packageJson.module || packageJson.main };
+    }
+  } catch (error) {
+    console.error(`Error reading package.json: ${error.message}`);
+    return null;
+  }
+}
+
+const modulePath = resolve(moduleName);
+const subpathExports = getSubpathExports(modulePath);
 
 const lit = (version) => `https://assets.finn.no/npm/lit-${version}/v${version}/lit.min.js`;
+const litVersions = ["2", "3"];
+const config = [];
+for (const litVersion of litVersions) {
+  for (const [subpath] of Object.entries(subpathExports)) {
+    const subpathImportPart = subpath !== "." ? `/${subpath.replace("./", "")}` : "";
+
+    // Looks messy, but a few things happen here:
+    // - lit-2 gets the root level folder, other versions in named folders.
+    // - match the subpath of the input
+    //    - default to index.js for the main entrypoint `"."`.
+    //    - if the subpath does not include `.js`, create an `index.js` in a directory matching the subpath.
+    //    - default to the subpath for all other entrypoints.
+    let filePath = `dist/`;
+    if (litVersion !== "2") {
+      filePath += `lit-${litVersion}/`;
+    }
+    if (subpath === ".") {
+      filePath += "index.js";
+    } else if (!subpath.endsWith(".js")) {
+      filePath += `${subpath}/index.js`;
+    } else {
+      filePath += subpath.replace("./", "");
+    }
 
-for (const version of versions) {
-  config.push({
-    input: resolve("@warp-ds/elements-core"),
-    plugins: [
-      plugin({ maps: [{ imports: { lit: lit(version) } }] }),
-      nodeResolve(),
-      commonjs(),
-      terser(),
-    ],
-    output: {
-      file: `dist/lit-v${version}.js`,
-      format: "esm",
-    },
-  });
-  config.push({
-    input: resolve("@warp-ds/elements-core/global.js"),
-    plugins: [
-      plugin({ maps: [{ imports: { lit: lit(version) } }] }),
-      nodeResolve(),
-      commonjs(),
-      terser(),
-    ],
-    output: {
-      file: `dist/global/lit-v${version}.js`,
-      format: "esm",
-    },
-  });
+    config.push({
+      input: resolve(`${moduleName}${subpathImportPart}`),
+      plugins: [
+        plugin({ maps: [{ imports: { lit: lit(litVersion) } }] }),
+        nodeResolve(),
+        commonjs(),
+        terser(),
+      ],
+      output: {
+        file: filePath,
+        format: "esm",
+      },
+    });
+  }
 }
 
 export default config;

packages/warp-ds-elements/package.json

@@ -12,7 +12,7 @@
     "eik:publish:ci": "../../scripts/publish.js warp-ds-elements @warp-ds/elements"
   },
   "dependencies": {
-    "@warp-ds/elements": "1.2.2"
+    "@warp-ds/elements": "1.2.3-next.2"
   },
   "devDependencies": {
     "@eik/rollup-plugin": "4.0.60",

packages/warp-ds-elements/rollup.config.js

@@ -1,30 +1,87 @@
+import fs from "fs";
+import path from "path";
 import { createRequire } from "module";
 import plugin from "@eik/rollup-plugin";
 import terser from "@rollup/plugin-terser";
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
 
+const moduleName = "@warp-ds/elements";
+
 const { resolve } = createRequire(import.meta.url);
 
-const versions = ["2", "3"];
-const config = [];
+function getSubpathExports(modulePath) {
+  let absolutePath = resolve(modulePath);
+  absolutePath = absolutePath.substring(
+    0,
+    absolutePath.indexOf(moduleName) + moduleName.length + "/".length
+  );
+  const packageJsonPath = path.join(absolutePath, "package.json");
+  try {
+    const packageJsonContent = fs.readFileSync(packageJsonPath, "utf8");
+    const packageJson = JSON.parse(packageJsonContent);
+    if (!packageJson) {
+      console.error(`Error parsing package.json: ${packageJsonPath}`);
+      return null;
+    }
+    if (packageJson.exports) {
+      for (const [key, value] of Object.entries(packageJson.exports)) {
+        if (!value.endsWith(".js")) {
+          delete packageJson.exports[key];
+        }
+      }
+      return packageJson.exports;
+    } else {
+      return { ".": packageJson.module || packageJson.main };
+    }
+  } catch (error) {
+    console.error(`Error reading package.json: ${error.message}`);
+    return null;
+  }
+}
+
+const modulePath = resolve(moduleName);
+const subpathExports = getSubpathExports(modulePath);
 
 const lit = (version) => `https://assets.finn.no/npm/lit-${version}/v${version}/lit.min.js`;
+const litVersions = ["2", "3"];
+const config = [];
+for (const litVersion of litVersions) {
+  for (const [subpath] of Object.entries(subpathExports)) {
+    const subpathImportPart = subpath !== "." ? `/${subpath.replace("./", "")}` : "";
+
+    // Looks messy, but a few things happen here:
+    // - lit-2 gets the root level folder, other versions in named folders.
+    // - match the subpath of the input
+    //    - default to index.js for the main entrypoint `"."`.
+    //    - if the subpath does not include `.js`, create an `index.js` in a directory matching the subpath.
+    //    - default to the subpath for all other entrypoints.
+    let filePath = `dist/`;
+    if (litVersion !== "2") {
+      filePath += `lit-${litVersion}/`;
+    }
+    if (subpath === ".") {
+      filePath += "index.js";
+    } else if (!subpath.endsWith(".js")) {
+      filePath += `${subpath}/index.js`;
+    } else {
+      filePath += subpath.replace("./", "");
+    }
 
-for (const version of versions) {
-  config.push({
-    input: resolve("@warp-ds/elements"),
-    plugins: [
-      plugin({ maps: [{ imports: { lit: lit(version) } }] }),
-      nodeResolve(),
-      commonjs(),
-      terser(),
-    ],
-    output: {
-      file: `dist/lit-v${version}.js`,
-      format: "esm",
-    },
-  });
+    config.push({
+      input: resolve(`${moduleName}${subpathImportPart}`),
+      plugins: [
+        plugin({ maps: [{ imports: { lit: lit(litVersion) } }] }),
+        nodeResolve(),
+        commonjs(),
+        terser(),
+      ],
+      output: {
+        file: filePath,
+        format: "esm",
+      },
+    });
+  }
 }
 
 export default config;