All files / src/plugins CopyDefaultCssPlugin.ts

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let fs = require("fs");
let path = require("path");
let mkdirp = require("mkdirp");
import * as _ from "lodash";
import { IArgdownRequest, IRequestHandler, IHtmlRequest } from "@argdown/core";
import { ISaveAsRequest } from "./SaveAsFilePlugin";
import { IAsyncArgdownPlugin, IAsyncRequestHandler } from "../IAsyncArgdownPlugin";
import { IFileRequest } from "../IFileRequest";
 
export interface ICopyDefaultCssSettings {
  outputDir?: string;
}
export interface ICopyDefaultCssRequest extends IArgdownRequest {
  copyDefaultCss?: ICopyDefaultCssSettings;
}
export class CopyDefaultCssPlugin implements IAsyncArgdownPlugin {
  name = "CopyDefaultCssPlugin";
  defaults?: ICopyDefaultCssSettings;
  constructor(config?: ICopyDefaultCssSettings) {
    this.defaults = _.defaultsDeep({}, config, {
      outputDir: "./html"
    });
  }
  getSettings = (request: IArgdownRequest): ICopyDefaultCssSettings => {
    const r: ICopyDefaultCssRequest = <ICopyDefaultCssRequest>request;
    if (!r.copyDefaultCss) {
      r.copyDefaultCss = {};
    }
    return r.copyDefaultCss;
  };
  prepare: IRequestHandler = request => {
    const settings = this.getSettings(request);
    _.defaultsDeep(settings, this.defaults);
    const htmlRequest = <IHtmlRequest>request;
    const saveAsRequest = <ISaveAsRequest>request;
    if (htmlRequest.html && htmlRequest.html.outputDir) {
      settings.outputDir = htmlRequest.html.outputDir;
    } else if (saveAsRequest.saveAs && saveAsRequest.saveAs.outputDir) {
      settings.outputDir = saveAsRequest.saveAs.outputDir;
    }
  };
  runAsync: IAsyncRequestHandler = async (request, _response, logger) => {
    const settings = this.getSettings(request);
    const fileRequest = <IFileRequest>request;
    let rootPath = fileRequest.rootPath || process.cwd();
    let outputDir = fileRequest.outputDir ? path.dirname(fileRequest.outputDir) : settings.outputDir;
    let absoluteOutputDir = path.resolve(rootPath, outputDir);
    await new Promise((resolve, reject) => {
      mkdirp(absoluteOutputDir, function(err: Error) {
        if (err) {
          reject(err);
        }
        resolve();
      });
    });
    let pathToDefaultCssFile = require.resolve("argdown-parser/lib/src/plugins/argdown.css");
    logger.log("verbose", "Copying default argdown.css to folder: " + absoluteOutputDir);
    const { COPYFILE_EXCL } = fs.constants;
    await new Promise((resolve, reject) => {
      fs.copyFile(pathToDefaultCssFile, path.resolve(absoluteOutputDir, "argdown.css"), COPYFILE_EXCL, (err: Error) => {
        if (err) {
          reject(err);
        }
        resolve();
      });
    });
  };
}