feat: custom leading pages

src/includer/index.ts

@@ -1,7 +1,10 @@
-import assert from 'assert';
+import RefsService from './services/refs';
+import ArgvService from './services/argv';
 
+import assert from 'assert';
 import {dirname, join, resolve} from 'path';
 import {mkdir, writeFile} from 'fs/promises';
+import {readFileSync} from 'fs';
 import {matchFilter} from './utils';
 
 import {dump} from 'js-yaml';
@@ -33,8 +36,6 @@
     YfmTocItem,
 } from './models';
 
-import RefsService from './services/refs';
-
 const INCLUDER_NAME = 'openapi';
 
 class OpenApiIncluderError extends Error {
@@ -54,10 +55,12 @@
         writeBasePath,
         tocPath,
         vars,
-        passedParams: {input, leadingPage = {}, filter, noindex, hidden, sandbox},
+        passedParams: {input, leadingPage = {}, filter, noindex, hidden, sandbox, tags = {}},
         index,
     } = params;
 
+    ArgvService.init(tags);
+
     const tocDirPath = dirname(tocPath);
 
     const contentPath =
@@ -91,6 +94,7 @@
             data,
             writePath,
             leadingPage,
+            contentPath,
             filter,
             noindex,
             vars,
@@ -162,7 +166,13 @@
 
         section.items = endpointsOfTag.map((endpoint) => handleEndpointRender(endpoint, id));
 
-        addLeadingPage(section, leadingPageMode, leadingPageName, join(id, 'index.md'));
+        const custom = ArgvService.tag(tag.name);
+
+        const customLeadingPageName = custom?.name || leadingPageName;
+
+        if (!custom?.hidden) {
+            addLeadingPage(section, leadingPageMode, customLeadingPageName, join(id, 'index.md'));
+        }
 
         toc.items.push(section);
     });
@@ -171,7 +181,12 @@
         toc.items.push(handleEndpointRender(endpoint));
     }
 
-    addLeadingPage(toc, leadingPageMode, leadingPageName, 'index.md');
+    const root = ArgvService.tag('__root__');
+    const rootLadingPageName = root?.name || leadingPageName;
+
+    if (!root?.hidden) {
+        addLeadingPage(toc, leadingPageMode, rootLadingPageName, 'index.md');
+    }
 
     await mkdir(dirname(writePath), {recursive: true});
     await writeFile(join(writePath, 'toc.yaml'), dump(toc));
@@ -184,7 +199,7 @@
             href: href,
         });
     } else {
         section.href = href;
     }
 }
 
@@ -193,6 +208,7 @@
     vars: YfmPreset;
     writePath: string;
     allRefs: Refs;
+    contentPath: string;
     leadingPage: OpenApiIncluderParams['leadingPage'];
     filter?: OpenApiIncluderParams['filter'];
     noindex?: OpenApiIncluderParams['noindex'];
@@ -206,14 +222,18 @@
 };
 
 async function generateContent(params: GenerateContentParams): Promise<void> {
-    const {data, writePath, leadingPage, filter, noindex, hidden, vars, sandbox} = params;
+    const {data, writePath, leadingPage, filter, noindex, hidden, vars, sandbox, contentPath} =
+        params;
+
+    const customLeadingPageDir = dirname(contentPath);
+
     const filterContent = filterUsefullContent(filter, vars);
     const applyNoindex = matchFilter(noindex || {}, vars, (endpoint) => {
         endpoint.noindex = true;
     });
 
     const applyHidden = matchFilter(hidden || {}, vars, (endpoint) => {
         endpoint.hidden = true;
     });
 
     const leadingPageSpecRenderMode = leadingPage?.spec?.renderMode ?? SPEC_RENDER_MODE_DEFAULT;
@@ -234,12 +254,18 @@
 
     spec = filterContent(spec);
 
-    const main: string = generators.main({data, info, spec, leadingPageSpecRenderMode});
+    const root = ArgvService.tag('__root__');
 
-    results.push({
-        path: join(writePath, 'index.md'),
-        content: main,
-    });
+    if (!root?.hidden) {
+        const mainContent = root?.path
+            ? readFileSync(join(customLeadingPageDir, root.path)).toString()
+            : generators.main({data, info, spec, leadingPageSpecRenderMode});
+
+        results.push({
+            path: join(writePath, 'index.md'),
+            content: mainContent,
+        });
+    }
 
     spec.tags.forEach((tag, id) => {
         const {endpoints} = tag;
@@ -248,9 +274,19 @@
             results.push(handleEndpointIncluder(endpoint, join(writePath, id), sandbox));
         });
 
+        const custom = ArgvService.tag(tag.name);
+
+        if (custom?.hidden) {
+            return;
+        }
+
+        const content = custom?.path
+            ? readFileSync(join(customLeadingPageDir, custom.path)).toString()
+            : generators.section(tag);
+
         results.push({
             path: join(writePath, id, 'index.md'),
-            content: generators.section(tag),
+            content,
         });
     });
 

src/includer/models.ts

@@ -277,6 +277,12 @@ export type OpenApiFilter = {
     tag?: string;
 };
 
+export type CustomTag = {
+    hidden?: boolean;
+    name?: string;
+    path?: string;
+};
+
 export type OpenApiIncluderParams = {
     allowAnonymousObjects?: boolean;
     input: string;
@@ -288,6 +294,11 @@ export type OpenApiIncluderParams = {
         tabName?: string;
         host?: string;
     };
+    tags?: {
+        [tag: string]: CustomTag | undefined;
+        /** top-level leading page */
+        __root__?: CustomTag;
+    };
 };
 
 export type OpenJSONSchema = JSONSchema6 & {

src/includer/services/argv.ts

@@ -0,0 +1,19 @@
+import {CustomTag, OpenApiIncluderParams} from '../models';
+
+type Config = Exclude<OpenApiIncluderParams['tags'], undefined>;
+
+let _config: Config = {};
+
+function init(config: Config) {
+    _config = config || {};
+}
+
+function tags() {
+    return _config;
+}
+
+function tag(id: string): CustomTag | undefined {
+    return _config[id];
+}
+
+export default {init, tags, tag};

src/includer/ui/main.ts

@@ -1,3 +1,5 @@
+import ArgvService from '../services/argv';
+
 import stringify from 'json-stringify-safe';
 
 import {sep} from 'path';
@@ -69,10 +71,18 @@ function description(text?: string) {
 function sections({tags, endpoints}: Specification) {
     const content = [];
 
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any
-    const taggedLinks = Array.from(tags).map(([_, {name, id}]: [any, Tag]) =>
-        link(name, id + sep + 'index.md'),
-    );
+    const taggedLinks = Array.from(tags)
+        .map(([_, {name, id}]: [unknown, Tag]) => {
+            const custom = ArgvService.tag(name);
+
+            if (custom?.hidden) {
+                return undefined;
+            }
+
+            return link(name, id + sep + 'index.md');
+        })
+        .filter(Boolean) as string[];
+
     if (taggedLinks.length) {
         content.push(title(2)(TAGS_SECTION_NAME), list(taggedLinks));
     }