chore: remove old parser

2021-02-01 19:31:39 +01:00
parent e3511f2930
commit a3a678b7af
139 changed files with 4 additions and 4 deletions
--- a/tools/challenge-parser/challengeSeed-to-data.js
+++ b/tools/challenge-parser/challengeSeed-to-data.js
@@ -0,0 +1,124 @@
+const visit = require('unist-util-visit');
+const { selectAll, select } = require('hast-util-select');
+
+const { sectionFilter } = require('./utils');
+
+const seedRE = /(.+)-seed$/;
+const headRE = /(.+)-setup$/;
+const tailRE = /(.+)-teardown$/;
+
+const editableRegionMarker = '--fcc-editable-region--';
+
+function defaultFile(lang) {
+  return {
+    key: `index${lang}`,
+    ext: lang,
+    name: 'index',
+    contents: '',
+    head: '',
+    tail: ''
+  };
+}
+function createCodeGetter(codeKey, regEx, seeds) {
+  return container => {
+    const {
+      properties: { id }
+    } = container;
+    const lang = id.match(regEx)[1];
+    const key = `index${lang}`;
+    const code = select('code', container).children[0].value;
+    if (key in seeds) {
+      seeds[key] = {
+        ...seeds[key],
+        [codeKey]: code
+      };
+    } else {
+      seeds[key] = {
+        ...defaultFile(lang),
+        [codeKey]: code
+      };
+    }
+  };
+}
+
+// TODO: any reason to worry about CRLF?
+
+function findRegionMarkers(file) {
+  const lines = file.contents.split('\n');
+  const editableLines = lines
+    .map((line, id) => (line.trim() === editableRegionMarker ? id : -1))
+    .filter(id => id >= 0);
+
+  if (editableLines.length > 2) {
+    throw Error('Editable region has too many markers' + editableLines);
+  }
+
+  if (editableLines.length === 0) {
+    return null;
+  } else if (editableLines.length === 1) {
+    throw Error(`Editable region not closed`);
+  } else {
+    return editableLines;
+  }
+}
+
+function removeLines(contents, toRemove) {
+  const lines = contents.split('\n');
+  return lines.filter((_, id) => !toRemove.includes(id)).join('\n');
+}
+
+function createPlugin() {
+  return function transformer(tree, file) {
+    function visitor(node) {
+      if (sectionFilter(node, 'challengeSeed')) {
+        let seeds = {};
+        const codeDivs = selectAll('div', node);
+        const seedContainers = codeDivs.filter(({ properties: { id } }) =>
+          seedRE.test(id)
+        );
+        seedContainers.forEach(createCodeGetter('contents', seedRE, seeds));
+
+        const headContainers = codeDivs.filter(({ properties: { id } }) =>
+          headRE.test(id)
+        );
+        headContainers.forEach(createCodeGetter('head', headRE, seeds));
+
+        const tailContainers = codeDivs.filter(({ properties: { id } }) =>
+          tailRE.test(id)
+        );
+        tailContainers.forEach(createCodeGetter('tail', tailRE, seeds));
+
+        file.data = {
+          ...file.data,
+          files: seeds
+        };
+
+        // TODO: make this readable.
+
+        Object.keys(seeds).forEach(key => {
+          const fileData = seeds[key];
+          const editRegionMarkers = findRegionMarkers(fileData);
+          if (editRegionMarkers) {
+            fileData.contents = removeLines(
+              fileData.contents,
+              editRegionMarkers
+            );
+
+            if (editRegionMarkers[1] <= editRegionMarkers[0]) {
+              throw Error('Editable region must be non zero');
+            }
+            fileData.editableRegionBoundaries = editRegionMarkers;
+          } else {
+            fileData.editableRegionBoundaries = [];
+          }
+        });
+        // TODO: TESTS!
+      }
+    }
+    visit(tree, 'element', visitor);
+  };
+}
+
+exports.challengeSeedToData = createPlugin;
+exports.createCodeGetter = createCodeGetter;
+exports.defaultFile = defaultFile;