Fundation

src/bin/keycloakify/replacers/replaceImportsInJsCode/vite.ts

@@ -0,0 +1,85 @@
+import { nameOfTheGlobal, basenameOfTheKeycloakifyResourcesDir } from "../../../constants";
+import { assert } from "tsafe/assert";
+import type { BuildOptions } from "../../BuildOptions";
+import * as nodePath from "path";
+import { replaceAll } from "../../../tools/String.prototype.replaceAll";
+
+export type BuildOptionsLike = {
+    reactAppBuildDirPath: string;
+    assetsDirPath: string;
+    urlPathname: string | undefined;
+};
+
+assert<BuildOptions extends BuildOptionsLike ? true : false>();
+
+export function replaceImportsInJsCode_vite(params: {
+    jsCode: string;
+    buildOptions: BuildOptionsLike;
+    basenameOfAssetsFiles: string[];
+    systemType?: "posix" | "win32";
+}): {
+    fixedJsCode: string;
+} {
+    const { jsCode, buildOptions, basenameOfAssetsFiles, systemType = nodePath.sep === "/" ? "posix" : "win32" } = params;
+
+    const { relative: pathRelative, sep: pathSep } = nodePath[systemType];
+
+    let fixedJsCode = jsCode;
+
+    replace_base_javacript_import: {
+        if (buildOptions.urlPathname === undefined) {
+            break replace_base_javacript_import;
+        }
+        // Optimization
+        if (!jsCode.includes(buildOptions.urlPathname)) {
+            break replace_base_javacript_import;
+        }
+
+        // Replace `Hv=function(e){return"/abcde12345/"+e}` by `Hv=function(e){return"/"+e}`
+        fixedJsCode = fixedJsCode.replace(
+            new RegExp(
+                `([\\w\\$][\\w\\d\\$]*)=function\\(([\\w\\$][\\w\\d\\$]*)\\)\\{return"${replaceAll(buildOptions.urlPathname, "/", "\\/")}"\\+\\2\\}`,
+                "g"
+            ),
+            (...[, funcName, paramName]) => `${funcName}=function(${paramName}){return"/"+${paramName}}`
+        );
+    }
+
+    replace_javascript_relatives_import_paths: {
+        // Example: "assets/ or "foo/bar/"
+        const staticDir = (() => {
+            let out = pathRelative(buildOptions.reactAppBuildDirPath, buildOptions.assetsDirPath);
+
+            out = replaceAll(out, pathSep, "/") + "/";
+
+            if (out === "/") {
+                throw new Error(`The assetsDirPath must be a subdirectory of reactAppBuildDirPath`);
+            }
+
+            return out;
+        })();
+
+        // Optimization
+        if (!jsCode.includes(staticDir)) {
+            break replace_javascript_relatives_import_paths;
+        }
+
+        basenameOfAssetsFiles
+            .map(basenameOfAssetsFile => `${staticDir}${basenameOfAssetsFile}`)
+            .forEach(relativePathOfAssetFile => {
+                fixedJsCode = replaceAll(
+                    fixedJsCode,
+                    `"${relativePathOfAssetFile}"`,
+                    `(window.${nameOfTheGlobal}.url.resourcesPath.substring(1) + "/${basenameOfTheKeycloakifyResourcesDir}/${relativePathOfAssetFile}")`
+                );
+
+                fixedJsCode = replaceAll(
+                    fixedJsCode,
+                    `"${buildOptions.urlPathname ?? "/"}${relativePathOfAssetFile}"`,
+                    `(window.${nameOfTheGlobal}.url.resourcesPath + "/${basenameOfTheKeycloakifyResourcesDir}/${relativePathOfAssetFile}")`
+                );
+            });
+    }
+
+    return { fixedJsCode };
+}