156f47b000
* fix: only log errors when challenges update * refactor: handle error first Co-authored-by: Mrugesh Mohapatra <1884376+raisedadead@users.noreply.github.com> Co-authored-by: Mrugesh Mohapatra <1884376+raisedadead@users.noreply.github.com>
65 lines
2.5 KiB
JavaScript
65 lines
2.5 KiB
JavaScript
const { readSync } = require('to-vfile');
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const remark = require('remark-parse');
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const directive = require('remark-directive');
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const frontmatter = require('remark-frontmatter');
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const addTests = require('./plugins/add-tests');
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const restoreDirectives = require('./plugins/restore-directives');
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const replaceImports = require('./plugins/replace-imports');
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const addFrontmatter = require('./plugins/add-frontmatter');
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const addText = require('./plugins/add-text');
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const addVideoQuestion = require('./plugins/add-video-question');
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const addSeed = require('./plugins/add-seed');
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const addSolution = require('./plugins/add-solution');
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const tableAndStrikeThrough = require('./plugins/table-and-strikethrough');
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const unified = require('unified');
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// by convention, anything that adds to file.data has the name add<name>.
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const processor = unified()
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// add the remark parser
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.use(remark)
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// modify the parser so that Github flavour tables and strikethroughs get
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// converted to 'delete' nodes
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.use(tableAndStrikeThrough)
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// directives are parsed into 'leafDirective' nodes and used for imports
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.use(directive)
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// convert the text at the top of the document (surrounded by ---) into a
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// 'yaml' node
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.use(frontmatter, ['yaml'])
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// extract the content from that 'yaml' node
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.use(addFrontmatter)
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// Any imports will be replaced (in the tree) with
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// the sub-tree of the target file. e.g.
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// ::import{component="Script" from="./file.path" }
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// means that file.path's tree will be inserted wherever
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// ::use{component="Script"}
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// appears.
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.use(replaceImports)
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// the final five 'add' plugins insert content into file.data
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// TODO: rename test->hint everywhere? It should make things easier to reason
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// about.
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.use(addSeed)
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.use(addSolution)
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// the directives will have been parsed and used by this point, any remaining
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// 'directives' will be from text like the css selector :root. These should be
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// converted back to text before they're added to the challenge object.
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.use(restoreDirectives)
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.use(addVideoQuestion)
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.use(addTests)
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.use(addText, ['description', 'instructions']);
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exports.parseMD = function parseMD(filename) {
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return new Promise((resolve, reject) => {
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const file = readSync(filename);
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const tree = processor.parse(file);
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processor.run(tree, file, function(err, node, file) {
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if (!err) {
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delete file.contents;
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resolve(file.data);
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}
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err.message += ' in file ' + filename;
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reject(err);
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});
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});
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};
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