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import { fs, path, readFileSync } from "./file-methods.ts";var _BOM = /^\uFEFF/;
// express is set like: app.engine('html', require('eta').renderFile)
import EtaErr from "./err.ts";
/* TYPES */
import { EtaConfig } from "./config.ts";
/* END TYPES */
/** * Get the path to the included file from the parent file path and the * specified path. * * If `name` does not have an extension, it will default to `.eta` * * @param name specified path * @param parentfile parent file path * @param isDirectory whether parentfile is a directory * @return absolute path to template */
function getWholeFilePath(  name: string,  parentfile: string,  isDirectory?: boolean,): string {  var includePath = path.resolve(    isDirectory ? parentfile : path.dirname(parentfile), // returns directory the parent file is in    name, // file  );  var ext = path.extname(name);  if (!ext) {    includePath += ".eta";  }  return includePath;}
/** * Get the absolute path to an included template * * If this is called with an absolute path (for example, starting with '/' or 'C:\') then Eta will return the filepath. * * If this is called with a relative path, Eta will: * - Look relative to the current template (if the current template has the `filename` property) * - Look inside each directory in options.views * * @param path    specified path * @param options compilation options * @return absolute path to template */
function getPath(path: string, options: EtaConfig) {  var includePath;  var filePath;  var views = options.views;  var match = /^[A-Za-z]+:\\|^\//.exec(path);
  // Abs path  if (match && match.length) {    includePath = getWholeFilePath(      path.replace(/^\/*/, ""),      options.root || "/",      true,    );  } else {    // Relative paths    // Look relative to a passed filename first    if (options.filename) {      filePath = getWholeFilePath(path, options.filename);      if (fs.existsSync(filePath)) {        includePath = filePath;      }    }    // Then look in any views directories    // TODO: write tests for if views is a string    if (!includePath) {      // Loop through each views directory and search for the file.      if (        Array.isArray(views) &&        views.some(function (v) {          filePath = getWholeFilePath(path, v, true);          return fs.existsSync(filePath);        })      ) {        includePath = filePath;      } else if (typeof views === "string") {        // Search for the file if views is a single directory        filePath = getWholeFilePath(path, views, true);        if (fs.existsSync(filePath)) {          includePath = filePath;        }      }    }    if (!includePath) {      throw EtaErr('Could not find the include file "' + path + '"');    }  }  return includePath;}
/** * Reads a file synchronously */
function readFile(filePath: string) {  return readFileSync(filePath).toString().replace(_BOM, ""); // TODO: is replacing BOM's necessary?}
export { getPath, readFile };