From b78add424b9bd864f0ff74ef637c1e4aa175ced0 Mon Sep 17 00:00:00 2001
From: Cristian Le <cristian.le@mpsd.mpg.de>
Date: Wed, 13 Mar 2024 18:36:09 +0100
Subject: [PATCH] LaTeX: Allow to pass imports

---
 packages/myst-cli/src/build/tex/single.ts      | 8 +++++++-
 packages/myst-frontmatter/src/exports/types.ts | 1 +
 packages/myst-to-tex/src/types.ts              | 1 +
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/myst-cli/src/build/tex/single.ts b/packages/myst-cli/src/build/tex/single.ts
index bb9942fc7..3a11a2b1d 100644
--- a/packages/myst-cli/src/build/tex/single.ts
+++ b/packages/myst-cli/src/build/tex/single.ts
@@ -197,7 +197,7 @@ export async function localArticleToTexTemplated(
   templateOptions: ExportWithOutput,
   opts?: ExportFnOptions,
 ): Promise<ExportResults> {
-  const { output, articles, template } = templateOptions;
+  const { output, articles, template, imports } = templateOptions;
   const { projectPath, extraLinkTransformers, clean, ci } = opts ?? {};
   const filesPath = path.join(path.dirname(output), 'files');
   const fileArticles = articlesWithFile(articles);
@@ -242,6 +242,12 @@ export async function localArticleToTexTemplated(
   const partDefinitions = templateYml?.parts || [];
   const parts: Record<string, string | string[]> = {};
   let collectedImports: TexTemplateImports = { imports: [], commands: {} };
+  // First get the imports from the options
+  if (imports) {
+    imports.forEach((item) => {
+      collectedImports.imports.push(item);
+    });
+  }
   let preambleData: PreambleData = {
     hasProofs: false,
     printGlossaries: false,
diff --git a/packages/myst-frontmatter/src/exports/types.ts b/packages/myst-frontmatter/src/exports/types.ts
index 30d6831f5..41c58a8df 100644
--- a/packages/myst-frontmatter/src/exports/types.ts
+++ b/packages/myst-frontmatter/src/exports/types.ts
@@ -22,6 +22,7 @@ export type Export = {
   output?: string;
   toc?: string;
   articles?: ExportArticle[];
+  imports?: string[];
   /** sub_articles are only for jats xml export */
   sub_articles?: string[];
   /** MECA: to, from later */
diff --git a/packages/myst-to-tex/src/types.ts b/packages/myst-to-tex/src/types.ts
index f3bf7f862..a69065f38 100644
--- a/packages/myst-to-tex/src/types.ts
+++ b/packages/myst-to-tex/src/types.ts
@@ -25,6 +25,7 @@ export type LatexResult = {
 export type MathPlugins = Required<PageFrontmatter>['math'];
 
 export type Options = MystToTexSettings & {
+  imports?: string[];
   handlers?: Record<string, Handler>;
   math?: MathPlugins;
   bibliography?: 'natbib' | 'biblatex';