feat(copy): support advanced copy configuration with custom target paths

crates/binding/src/lib.rs

@@ -74,7 +74,7 @@ pub struct BuildParams {
             };
         }
     >;
-    copy?: string[];
+    copy?: (string | { from: string; to: string })[];
     codeSplitting?:
       | false
       | {

crates/mako/src/config.rs

@@ -123,6 +123,13 @@ pub enum Platform {
     Node,
 }
 
+#[derive(Deserialize, Serialize, Debug)]
+#[serde(untagged)]
+pub enum CopyConfig {
+    Basic(String),
+    Advanced { from: String, to: String },
+}
+
 #[derive(Deserialize, Serialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct Config {
@@ -137,7 +144,7 @@ pub struct Config {
     pub devtool: Option<DevtoolConfig>,
     pub externals: HashMap<String, ExternalConfig>,
     pub providers: Providers,
-    pub copy: Vec<String>,
+    pub copy: Vec<CopyConfig>,
     pub public_path: String,
     pub inline_limit: usize,
     pub inline_excludes_extensions: Vec<String>,

crates/mako/src/plugins/copy.rs

@@ -1,7 +1,8 @@
+use std::fs;
 use std::path::Path;
 use std::sync::Arc;
 
-use anyhow::Result;
+use anyhow::{anyhow, Result};
 use fs_extra;
 use glob::glob;
 use notify::event::{CreateKind, DataChange, ModifyKind, RenameMode};
@@ -11,6 +12,7 @@ use tracing::debug;
 
 use crate::ast::file::win_path;
 use crate::compiler::Context;
+use crate::config::CopyConfig;
 use crate::plugin::Plugin;
 use crate::stats::StatsJsonMap;
 use crate::utils::tokio_runtime;
@@ -29,8 +31,12 @@ impl CopyPlugin {
                 notify::Config::default(),
             )
             .unwrap();
-            for src in context.config.copy.iter() {
-                let src = context.root.join(src);
+            for config in context.config.copy.iter() {
+                let src = match config {
+                    CopyConfig::Basic(src) => context.root.join(src),
+                    CopyConfig::Advanced { from, .. } => context.root.join(from),
+                };
+
                 if src.exists() {
                     debug!("watch {:?}", src);
                     let mode = if src.is_dir() {
@@ -62,10 +68,31 @@ impl CopyPlugin {
     fn copy(context: &Arc<Context>) -> Result<()> {
         debug!("copy");
         let dest = context.config.output.path.as_path();
-        for src in context.config.copy.iter() {
-            let src = context.root.join(src);
-            debug!("copy {:?} to {:?}", src, dest);
-            copy(src.as_path(), dest)?;
+        for config in context.config.copy.iter() {
+            match config {
+                CopyConfig::Basic(src) => {
+                    let src = context.root.join(src);
+                    debug!("copy {:?} to {:?}", src, dest);
+                    copy(&src, dest)?;
+                }
+
+                CopyConfig::Advanced { from, to } => {
+                    let src = context.root.join(from);
+                    let target = dest.join(to.trim_start_matches("/"));
+
+                    let dest_path = dest.to_path_buf();
+                    if !target.starts_with(&dest_path) {
+                        return Err(anyhow!("Invalid target path: {:?}", target));
+                    }
+
+                    if !target.exists() {
+                        fs::create_dir_all(&target)?;
+                    }
+
+                    debug!("copy {:?} to {:?}", src, target);
+                    copy(&src, &target)?;
+                }
+            }
         }
         Ok(())
     }

docs/config.md

@@ -116,7 +116,7 @@ Specify the code splitting strategy. Use `auto` or `granular` strategy for SPA,
 
 ### copy
 
-- Type: `string[]`
+- Type: `(string | { from: string; to: string })[]`
 - Default: `["public"]`
 
 Specify the files or directories to be copied. By default, the files under the `public` directory will be copied to the output directory.

docs/config.zh-CN.md

@@ -116,7 +116,7 @@
 
 ### copy
 
-- 类型：`string[]`
+- 类型：`(string | { from: string; to: string })[]`
 - 默认值：`["public"]`
 
 指定需要复制的文件或目录。默认情况下，会将 `public` 目录下的文件复制到输出目录。

e2e/fixtures/config.copy/expect.js

@@ -2,4 +2,8 @@ const assert = require("assert");
 const { parseBuildResult } = require("../../../scripts/test-utils");
 const { files } = parseBuildResult(__dirname);
 
-assert("foo.js" in files, "assets files not copy");
+// Test original string pattern (copies to root)
+assert("foo.js" in files, "assets files not copied (string pattern)");
+
+// Test new from/to pattern (copies to assets-from-to directory)
+assert("assets-from-to/foo.js" in files, "assets files not copied to correct location (from/to pattern)");

e2e/fixtures/config.copy/mako.config.json

@@ -1,3 +1,9 @@
 {
-  "copy": ["src/assets"]
-}
+  "copy": [
+    "src/assets",
+    {
+      "from": "src/assets",
+      "to": "assets-from-to"
+    }
+  ]
+}

packages/bundler-mako/index.js

@@ -249,13 +249,13 @@ function checkConfig(opts) {
       `umi config mako.${key} is not supported`,
     );
   });
-  // 暂不支持 { from, to } 格式
   const { copy } = opts.config;
   if (copy) {
     for (const item of copy) {
       assert(
-        typeof item === 'string',
-        `copy config item must be string in Mako bundler, but got ${item}`,
+        typeof item === 'string' ||
+          (typeof item === 'object' && item.from && item.to),
+        `copy config item must be string or { from: string, to: string } in Mako bundler, but got ${JSON.stringify(item)}`,
       );
     }
   }

packages/mako/binding.d.ts

@@ -134,7 +134,7 @@ export interface BuildParams {
           };
         }
     >;
-    copy?: string[];
+    copy?: (string | { from: string; to: string })[];
     codeSplitting?:
       | false
       | {