feat: Add native esp-idf template

README.md

@@ -47,6 +47,9 @@ npx svelteesp32 -e psychic2 -s ../svelteapp/dist -o ../esp32project/svelteesp32.
 
 // for ESPAsyncWebServer
 npx svelteesp32 -e async -s ../svelteapp/dist -o ../esp32project/svelteesp32.h --etag=true
+
+// for native esp-idf
+npx svelteesp32 -e espidf -s ../svelteapp/dist -o ../esp32project/svelteesp32.h --etag=true
 ```
 
 During the **translation process**, the processed file details are visible, and at the end, the result shows the ESP's memory allocation (gzip size)

src/commandLine.ts

@@ -3,7 +3,7 @@ import { existsSync, statSync } from 'node:fs';
 import { parse } from 'ts-command-line-args';
 
 interface ICopyFilesArguments {
-  engine: 'psychic' | 'psychic2' | 'async';
+  engine: 'psychic' | 'psychic2' | 'async' | 'espidf';
   sourcepath: string;
   outputfile: string;
   espmethod: string;
@@ -23,6 +23,7 @@ export const cmdLine = parse<ICopyFilesArguments>(
         if (value === 'psychic') return 'psychic';
         if (value === 'psychic2') return 'psychic2';
         if (value === 'async') return 'async';
+        if (value === 'espidf') return 'espidf';
         throw new Error(`Invalid engine: ${value}`);
       },
       alias: 'e',

src/cppCode.ts

@@ -2,6 +2,8 @@ import { compile as handlebarsCompile, HelperOptions } from 'handlebars';
 
 import { cmdLine } from './commandLine';
 
+import { espidfTemplate } from './template_espidf';
+
 export type CppCodeSource = {
   filename: string;
   dataname: string;
@@ -577,11 +579,24 @@ void {{methodName}}(AsyncWebServer * server) {
 {{/each}}
 }`;
 
+
+const getTemplate = (engine: string): string => {
+  switch (engine) {
+    case 'psychic':
+      return psychicTemplate;
+    case 'psychic2':
+      return psychic2Template;
+    case 'espidf':
+      return espidfTemplate;
+    default:
+      return asyncTemplate;
+  }
+}
+
+
 let switchValue: string;
 export const getCppCode = (sources: CppCodeSources, filesByExtension: ExtensionGroups): string =>
-  handlebarsCompile(
-    cmdLine.engine === 'psychic' ? psychicTemplate : cmdLine.engine === 'psychic2' ? psychic2Template : asyncTemplate
-  )(
+  handlebarsCompile(getTemplate(cmdLine.engine))(
     {
       commandLine: process.argv.slice(2).join(' '),
       now: `${new Date().toLocaleDateString()} ${new Date().toLocaleTimeString()}`,

src/template_espidf.ts

@@ -0,0 +1,187 @@
+export const espidfTemplate = `
+//engine:   espidf
+//cmdline:  {{{commandLine}}}
+{{#if created }}
+//created:  {{now}}
+{{/if}}
+//
+
+{{#switch etag}}
+{{#case "true"}}
+#ifdef {{definePrefix}}_ENABLE_ETAG
+#warning {{definePrefix}}_ENABLE_ETAG has no effect because it is permanently switched ON
+#endif
+{{/case}}
+{{#case "false"}}
+#ifdef {{definePrefix}}_ENABLE_ETAG
+#warning {{definePrefix}}_ENABLE_ETAG has no effect because it is permanently switched OFF
+#endif
+{{/case}}
+{{/switch}}
+
+{{#switch gzip}}
+{{#case "true"}}
+#ifdef {{definePrefix}}_ENABLE_GZIP
+#warning {{definePrefix}}_ENABLE_GZIP has no effect because it is permanently switched ON
+#endif
+{{/case}}
+{{#case "false"}}
+#ifdef {{definePrefix}}_ENABLE_GZIP
+#warning {{definePrefix}}_ENABLE_GZIP has no effect because it is permanently switched OFF
+#endif
+{{/case}}
+{{/switch}}
+
+//
+{{#if version }}
+#define {{definePrefix}}_VERSION "{{version}}"
+{{/if}}
+#define {{definePrefix}}_COUNT {{fileCount}}
+#define {{definePrefix}}_SIZE {{fileSize}}
+#define {{definePrefix}}_SIZE_GZIP {{fileGzipSize}}
+
+//
+{{#each sources}}
+#define {{../definePrefix}}_FILE_{{this.datanameUpperCase}}
+{{/each}}
+
+//
+{{#each filesByExtension}}
+#define {{../definePrefix}}_{{this.extension}}_FILES {{this.count}}
+{{/each}}
+
+#include <stdint.h>
+#include <esp_err.h>
+#include <esp_http_server.h>
+
+//
+{{#switch gzip}}
+{{#case "true"}}
+  {{#each sources}}
+const char datagzip_{{this.dataname}}[{{this.lengthGzip}}] = { {{this.bytesGzip}} };
+  {{/each}}
+{{/case}}
+{{#case "false"}}
+  {{#each sources}}
+const char data_{{this.dataname}}[{{this.length}}] = { {{this.bytes}} };
+  {{/each}}
+{{/case}}
+{{#case "compiler"}}
+#ifdef {{definePrefix}}_ENABLE_GZIP
+  {{#each sources}}
+const char datagzip_{{this.dataname}}[{{this.lengthGzip}}] = { {{this.bytesGzip}} };
+  {{/each}}
+#else
+  {{#each sources}}
+const char data_{{this.dataname}}[{{this.length}}] = { {{this.bytes}} };
+  {{/each}}
+#endif 
+{{/case}}
+{{/switch}}
+
+//
+{{#switch etag}}
+{{#case "true"}}
+  {{#each sources}}
+const char * etag_{{this.dataname}} = "{{this.md5}}";
+  {{/each}}
+{{/case}}
+{{#case "false"}}
+{{/case}}
+{{#case "compiler"}}
+#ifdef {{definePrefix}}_ENABLE_ETAG
+  {{#each sources}}
+const char * etag_{{this.dataname}} = "{{this.md5}}";
+  {{/each}}
+#endif 
+{{/case}}
+{{/switch}}
+
+{{#each sources}}
+
+static esp_err_t file_handler_{{this.datanameUpperCase}} (httpd_req_t *req)
+{
+    httpd_resp_set_type(req, "{{this.mime}}");
+{{#switch ../gzip}}
+{{#case "true"}}
+{{#if this.isGzip}}
+    httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
+{{/if}}
+{{/case}}
+{{#case "compiler"}}
+  {{#if this.isGzip}}
+  #ifdef {{../definePrefix}}_ENABLE_GZIP
+    httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
+  #endif 
+  {{/if}}
+{{/case}}
+{{/switch}}
+
+{{#switch ../etag}}
+{{#case "true"}}
+{{#../cacheTime}}
+    httpd_resp_set_hdr(req, "Cache-Control", "max-age={{value}}");
+{{/../cacheTime}}
+{{^../cacheTime}}
+    httpd_resp_set_hdr(req, "Cache-Control", "no-cache");
+{{/../cacheTime}}
+    httpd_resp_set_hdr(req, "ETag", etag_{{this.dataname}});
+{{/case}}
+{{#case "compiler"}}
+  #ifdef {{../definePrefix}}_ENABLE_ETAG
+{{#../cacheTime}}
+    httpd_resp_set_hdr(req, "Cache-Control", "max-age={{value}}");
+{{/../cacheTime}}
+{{^../cacheTime}}
+    httpd_resp_set_hdr(req, "Cache-Control", "no-cache");
+{{/../cacheTime}}
+    httpd_resp_set_hdr(req, "ETag", etag_{{this.dataname}});
+  #endif 
+{{/case}}
+{{/switch}}
+
+{{#switch ../gzip}}
+{{#case "true"}}
+    httpd_resp_send(req, datagzip_{{this.dataname}}, {{this.lengthGzip}});
+{{/case}}
+{{#case "false"}}
+    httpd_resp_send(req, data_{{this.dataname}}, {{this.length}});
+{{/case}}
+{{#case "compiler"}}
+  #ifdef {{../definePrefix}}_ENABLE_GZIP
+    httpd_resp_send(req, datagzip_{{this.dataname}}, {{this.lengthGzip}});
+  #else
+    httpd_resp_send(req, data_{{this.dataname}}, {{this.length}});
+  #endif 
+{{/case}}
+{{/switch}}
+    return ESP_OK;
+}
+
+{{#if this.isDefault}}
+static const httpd_uri_t route_def_{{this.datanameUpperCase}} = {
+    .uri = "/",
+    .method = HTTP_GET,
+    .handler = file_handler_{{this.datanameUpperCase}},
+};
+{{/if}}
+
+static const httpd_uri_t route_{{this.datanameUpperCase}} = {
+    .uri = "/{{this.filename}}",
+    .method = HTTP_GET,
+    .handler = file_handler_{{this.datanameUpperCase}},
+};
+
+{{/each}}
+
+
+
+static inline void {{methodName}}(httpd_handle_t server) {
+{{#each sources}}
+{{#if this.isDefault}}
+    httpd_register_uri_handler(server, &route_def_{{this.datanameUpperCase}});
+{{/if}}
+    httpd_register_uri_handler(server, &route_{{this.datanameUpperCase}});
+{{/each}}
+
+}`;