Syntax Error: The function `loadReposFromCache(...).error` is not defined in this building

I'm currently attempting to utilize the SyntaxHighlighter v4 plugin, but I'm facing issues with the build process!

While following the guidelines provided here, an error popped up:

$ ./node_modules/gulp/bin/gulp.js setup-project
[10:12:20] Requiring external module babel-register
[10:12:20] Using gulpfile C:\git\syntaxhighlighter\gulpfile.babel.js
[10:12:20] Starting 'setup-project:clone-repos'...
[10:12:20] 'setup-project:clone-repos' errored after 1.96 ms
[10:12:20] TypeError: loadReposFromCache(...).error is not a function
    at loadRepos (C:/git/syntaxhighlighter/build/setup-project.js:39:48)
    at Gulp.<anonymous> (C:/git/syntaxhighlighter/build/setup-project.js:48:5)
    at module.exports (C:\git\syntaxhighlighter\node_modules\orchestrator\lib\runTask.js:34:7)
    at Gulp.Orchestrator._runTask (C:\git\syntaxhighlighter\node_modules\orchestrator\index.js:273:3)
    at Gulp.Orchestrator._runStep (C:\git\syntaxhighlighter\node_modules\orchestrator\index.js:214:10)
    at Gulp.Orchestrator.start (C:\git\syntaxhighlighter\node_modules\orchestrator\index.js:134:8)
    at C:\git\syntaxhighlighter\node_modules\gulp\bin\gulp.js:129:20
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickCallback (internal/process/next_tick.js:98:9)
    at Module.runMain (module.js:606:11)
(node:2532) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): Error: ENOENT: no such file or directory, open 'C:\git\syntaxhighlighter\.projects-cache.json'

It appears that the github repository files are not being imported to the /repos/ directory. Is there a manual way to do this? Or perhaps an alternative method to successfully build and use it? Maybe even locate the built files similar to v3?

Below is the problematic function in build/setup-project.js

gulp.task('setup-project:clone-repos', 'Clones all repositories from 
  SyntaxHighlighter GitHub organization', () =>
    loadRepos()
      .then(R.filter(repo => !fs.existsSync(pathToRepo(repo))))
      .then(R.filter(repo => repo.name !== 'syntaxhighlighter'))
      .then(R.map(R.curry(cloneRepo)))
      .then(Promise.all)
);

Following along backwards we find:

const loadReposFromCache = () => fs.readFile.promise(REPOS_CACHE, 'utf8').then(JSON.parse);
const loadRepos = () => loadReposFromCache().error(loadReposFromGitHub).then(R.map(R.pick(['clone_url', 'name'])));

function loadReposFromGitHub() {
  const request = require('request');

  const opts = {
    url: 'https://api.github.com/orgs/syntaxhighlighter/repos?per_page=300',
    json: true,
    headers: { 'User-Agent': 'node.js' },
  };

  return new Promise((resolve, reject) =>
    request(opts, (err, response) => {
      if (err) return reject(err);
      const json = response.body;
      fs.writeFile(REPOS_CACHE, JSON.stringify(json, null, 2));
      resolve(json);
    })
  );
}
javascriptpluginsgulp

Answer №1

There seem to be a few issues with the build code for that particular project.

One specific issue is that the Songbird wrapper on Bluebird promises no longer seems to be compatible, resulting in the error message ".error is not a function" (works fine on Bluebird).

To resolve this, you can either replace .error with .catch or switch from using require('songbird') to require('bluebird').

However, fixing this issue is just the beginning of the challenges you may encounter during the build process...

I have made a note of this issue in the project's tracking system. In the meantime, here is what I did to successfully build it: https://github.com/karljacuncha/syntaxhighlighter/commit/dc015fa299d4d249e8518664e205a838c55372cf

Answer №2

Once again, the build has encountered issues in April 2021. I took inspiration from karljacuncha's response and made modifications by replacing the call to fs.writeFile with fs.writeFileSync

To view the changes made, visit https://github.com/BartJolling/syntaxhighlighter/commit/7dbd08203cba8ef3be72cbe1abbfb3475be19ef4

In addition to this, I have implemented several other fixes that were suggested within the community. Furthermore, I have rectified the usage of the -output parameter.

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