Add pathway to forward inputtraits to post processors

Author: dragonstyle

src/command/render/pandoc.ts

@@ -153,9 +153,7 @@ import {
   parsePandocDate,
   parseSpecialDate,
 } from "../../core/date.ts";
-import { copyFileIfNewer } from "../../core/copy.ts";
 import { katexPostProcessor } from "../../format/html/format-html-math.ts";
-import { lines } from "../../core/lib/text.ts";
 import {
   readAndInjectDependencies,
   writeDependencies,
@@ -860,25 +858,31 @@ export async function runPandoc(
     },
   );
 
-  // TODO: Process Dependencies
-
   // resolve resource files from metadata
   const resources: string[] = resourcesFromMetadata(
     options.format.metadata[kResources],
   );
 
   // read any resourceFiles generated by filters
+  let inputTraits = {};
   if (existsSync(filterResultsFile)) {
     const filterResultsJSON = Deno.readTextFileSync(filterResultsFile);
     if (filterResultsJSON.trim().length > 0) {
       const filterResults = JSON.parse(filterResultsJSON);
-      resources.push(...(filterResults.resourceFiles || []));
+
+      // Read any input traits
+      inputTraits = filterResults.inputTraits;
+
+      // Read any resource files
+      const resourceFiles = filterResults.resourceFiles || [];
+      resources.push(...resourceFiles);
     }
   }
 
   if (result.success) {
     return {
       inputMetadata: pandocMetadata,
+      inputTraits,
       resources,
       postprocessors,
       htmlPostprocessors: isHtmlOutput(options.format.pandoc)

src/command/render/render.ts

@@ -22,7 +22,12 @@ import {
   executionEngineKeepMd,
 } from "../../execute/engine.ts";
 
-import { HtmlPostProcessResult, PandocOptions } from "./types.ts";
+import {
+  HtmlPostProcessor,
+  HtmlPostProcessResult,
+  PandocInputTraits,
+  PandocOptions,
+} from "./types.ts";
 import { runPandoc } from "./pandoc.ts";
 import { renderCleanup } from "./cleanup.ts";
 import { projectOffset } from "../../project/project-shared.ts";
@@ -140,6 +145,7 @@ export async function renderPandoc(
 
   const htmlPostProcessResult = await runHtmlPostprocessors(
     pandocResult.inputMetadata,
+    pandocResult.inputTraits,
     pandocOptions,
     htmlPostProcessors,
     htmlFinalizers,
@@ -326,10 +332,9 @@ function mergePandocIncludes(
 
 async function runHtmlPostprocessors(
   inputMetadata: Metadata,
+  inputTraits: PandocInputTraits,
   options: PandocOptions,
-  htmlPostprocessors: Array<
-    (doc: Document, inputMetadata: Metadata) => Promise<HtmlPostProcessResult>
-  >,
+  htmlPostprocessors: Array<HtmlPostProcessor>,
   htmlFinalizers: Array<(doc: Document) => Promise<void>>,
 ): Promise<HtmlPostProcessResult> {
   const postProcessResult: HtmlPostProcessResult = {
@@ -345,7 +350,7 @@ async function runHtmlPostprocessors(
     const doc = await parseHtml(htmlInput);
     for (let i = 0; i < htmlPostprocessors.length; i++) {
       const postprocessor = htmlPostprocessors[i];
-      const result = await postprocessor(doc, inputMetadata);
+      const result = await postprocessor(doc, inputMetadata, inputTraits);
 
       postProcessResult.resources.push(...result.resources);
       postProcessResult.supporting.push(...result.supporting);

src/command/render/types.ts

@@ -49,15 +49,21 @@ export interface RenderContext {
 
 export interface RunPandocResult {
   inputMetadata: Metadata;
+  inputTraits: PandocInputTraits;
   resources: string[];
   postprocessors?: Array<(output: string) => Promise<void>>;
   htmlPostprocessors: Array<HtmlPostProcessor>;
   htmlFinalizers?: Array<(doc: Document) => Promise<void>>;
 }
 
+export interface PandocInputTraits {
+  bibliographyTarget?: boolean;
+}
+
 export type HtmlPostProcessor = (
   doc: Document,
   inputMedata: Metadata,
+  inputTraits: PandocInputTraits,
 ) => Promise<HtmlPostProcessResult>;
 
 export interface HtmlPostProcessResult {