Add missing script

scripts/autoconfigure.collection.js

@@ -0,0 +1,150 @@
+import fs from "fs";
+import path from "path";
+import process from "process";
+import yaml from 'js-yaml';
+import deepEqual from 'deep-equal';
+import { formatByExtension } from "../src/formats/formats";
+
+const looksLikeMarkdown = /(\[.+\]\(.+\)|\n?[#]+ [a-z0-9])/; // eslint-disable-line
+const looksLikeAnImage = /^[^ ]+\.(png|jpg|svg|gif|jpeg)/;
+
+function capitalize(name) {
+  return name.substr(0, 1).toUpperCase() + name.substr(1);
+}
+
+function inferWidget(name, value) {
+  if (value == null) {
+    return { widget: 'string' };
+  }
+  if (value instanceof Date) {
+    return { widget: value.toJSON().match(/T00:00:00\.000Z$/) ? 'date' : 'datetime' };
+  }
+  if (value instanceof Array) {
+    if (typeof value[0] === 'string') {
+      return { widget: 'list' };
+    }
+    return { widget: 'list', fields: inferFields(value) };
+  }
+  if (typeof value === 'object') {
+    return { widget: 'object', fields: inferFields([value]) };
+  }
+  if (value === false || value === true) {
+    return { widget: 'checkbox' };
+  }
+  if (typeof value === 'number') {
+    return { widget: 'number' };
+  }
+  if (name === 'body' || value.match(looksLikeMarkdown)) {
+    return { widget: 'markdown' };
+  }
+  if (value.match(/\n/)) {
+    return { widget: 'text' };
+  }
+  if (value.match(looksLikeAnImage)) {
+    return { widget: 'image' };
+  }
+  return { widget: 'string' };
+}
+
+function inferField(name, value) {
+  return Object.assign({
+    label: capitalize(name.replace(/_-/g, ' ')),
+    name,
+  }, inferWidget(name, value));
+}
+
+function inferFields(entries) {
+  const fields = {};
+  entries.forEach((entry) => {
+    if (entry == null) { return; }
+    Object.keys(entry).forEach((fieldName) => {
+      const field = inferField(fieldName, entry[fieldName]);
+      if (fields[fieldName]) {
+        fields[fieldName] = combineFields(fields[fieldName], field);
+      } else {
+        fields[fieldName] = field;
+      }
+    });
+  });
+  return Object.keys(fields).map(key => fields[key]);
+}
+
+const widgetRank = {
+  markdown: 1,
+  text: 2,
+  string: 3,
+  image: 4,
+  datetime: 4,
+  date: 5,
+  number: 5,
+  object: 7,
+  list: 7,
+};
+
+function compareWidget(a, b) {
+  return widgetRank[a] - widgetRank[b];
+}
+
+function combineFields(a, b) {
+  if (b == null && a) {
+    return a;
+  }
+  if (a == null && b) {
+    return b;
+  }
+  if (deepEqual(a, b)) {
+    return a;
+  }
+  if (a.widget === b.widget) {
+    if (a.fields && b.fields) {
+      const newFields = {};
+      a.fields.forEach((field) => {
+        newFields[field.name] = combineFields(field, b.fields.find(f => f.name === field.name));
+      });
+      b.fields.forEach((field) => {
+        if (!newFields[field.name]) {
+          newFields[field.name] = field;
+        }
+      });
+      return Object.assign({}, a, { fields: Object.keys(newFields).map(k => newFields[k]) });
+    }
+    return a;
+  }
+  return [a, b].sort((fieldA, fieldB) => compareWidget(fieldB.widget, fieldA.widget))[0];
+}
+
+if (process.argv.length !== 3) {
+  console.log("Usage: autoconfigure.collections.js <path-to-my-folder>");
+  process.exit(1);
+}
+
+const folder = process.argv[2].replace(/\/$/, '');
+const files = fs.readdirSync(folder);
+const extensions = {};
+
+files.forEach((file) => {
+  const ext = file.split(".").pop();
+  if (ext) {
+    extensions[ext] = extensions[ext] || 0;
+    extensions[ext] += 1;
+  }
+});
+
+const name = folder.split('/').filter(s => s).pop();
+const extension = Object.keys(extensions).sort((a, b) => extensions[b] - extensions[a])[0];
+const format = formatByExtension(extension);
+const entries = files.filter(name => name.split(".").pop() === extension).slice(0, 100).map(file => (
+  format.fromFile(fs.readFileSync(path.join(folder, file), { encoding: 'utf8' }))
+));
+const fields = inferFields(entries);
+
+
+const collection = {
+  label: capitalize(name),
+  name,
+  folder,
+  extension,
+  fields,
+};
+
+console.log(yaml.safeDump([collection], { flowLevel: 3 }));