Initial Commit, basic tranclusion working

.clasp.json

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+{"scriptId":"1KlR8cKW5jd9Fu-soBwK1dljmLi0XcHMIoYeUbnLXFZKMme-EaMqubaIk"}

.claspignore

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+.#*

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = space
+indent_size = 2

.gitignore

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+/node_modules/
+/package-lock.json

.prettierrc

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+trailingComma: es5
+singleQuote: true
+jsxBracketSameLine: true

Code.ts

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+function onOpen() {
+  const ui = SpreadsheetApp.getUi();
+  ui.createMenu('test')
+    .addItem('test1', 'test')
+    .addToUi();
+}
+
+function copyElement(
+  source_element: GoogleAppsScript.Document.Element,
+  dest: GoogleAppsScript.Document.Body,
+  index?: number
+) {
+  const element = source_element.copy();
+  // based on https://stackoverflow.com/questions/6783819/google-app-script-copy-document-page
+  if (element.getType() == DocumentApp.ElementType.PARAGRAPH)
+    if (index) dest.insertParagraph(index, element.asParagraph());
+    else dest.appendParagraph(element.asParagraph());
+  else if (element.getType() == DocumentApp.ElementType.TABLE)
+    if (index) dest.insertTable(index, element.asTable());
+    else dest.appendTable(element.asTable());
+  else if (element.getType() == DocumentApp.ElementType.LIST_ITEM)
+    if (index) dest.insertListItem(index, element.asListItem());
+    else dest.appendListItem(element.asListItem());
+  else if (element.getType() == DocumentApp.ElementType.INLINE_IMAGE)
+    if (index) dest.insertImage(index, element.asInlineImage());
+    else dest.appendImage(element.asInlineImage());
+  else
+    throw new Error(
+      "According to the doc this type couldn't appear in the body: " +
+        element.getType()
+    );
+}
+
+function copyBody(
+  source: GoogleAppsScript.Document.Body,
+  dest: GoogleAppsScript.Document.Body,
+  index?: number
+) {
+  var totalElements = source.getNumChildren();
+  for (var j = 0; j < totalElements; ++j) {
+    if (index) copyElement(source.getChild(j), dest, index + j);
+    else copyElement(source.getChild(j), dest);
+  }
+}
+
+function test() {
+  const cell = SpreadsheetApp.getActive().getCurrentCell();
+  const template = DocumentApp.openById(
+    '1V0uMuM80BGpjpdt1AmuzlU97tDI_u-y2rOfdl4tkqmc'
+  );
+
+  const source_doc = DocumentApp.openById(
+    '1tB9--ilbfDixuQAEMk0_D6KqNFToQzs-au6NiotCH5M'
+  );
+  const out_doc = template; // TODO: make a copy of template, and write to that
+
+  const insert_point = out_doc
+    .getBody()
+    .findText('{{test}}')
+    ?.getElement();
+
+  if (insert_point) {
+    // find the parent element that is a direct descendant of the body
+    let parent = insert_point;
+    while (
+      parent.getParent().getType() != DocumentApp.ElementType.BODY_SECTION
+    ) {
+      parent = parent.getParent();
+    }
+    const idx = out_doc.getBody().getChildIndex(parent);
+
+    // insert with index 0 is an append, for some reason
+    copyBody(source_doc.getBody(), out_doc.getBody(), idx + 1);
+    out_doc.getBody().removeChild(parent);
+  }
+}

appsscript.json

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+{
+  "timeZone": "America/New_York",
+  "dependencies": {
+  },
+  "exceptionLogging": "STACKDRIVER",
+  "runtimeVersion": "V8"
+}