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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"; | ||
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const looksLikeMarkdown = /(\[.+\]\(.+\)|\n?[#]+ [a-z0-9])/; // eslint-disable-line | ||
const looksLikeAnImage = /^[^ ]+\.(png|jpg|svg|gif|jpeg)/; | ||
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function capitalize(name) { | ||
return name.substr(0, 1).toUpperCase() + name.substr(1); | ||
} | ||
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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' }; | ||
} | ||
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function inferField(name, value) { | ||
return Object.assign({ | ||
label: capitalize(name.replace(/_-/g, ' ')), | ||
name, | ||
}, inferWidget(name, value)); | ||
} | ||
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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]); | ||
} | ||
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const widgetRank = { | ||
markdown: 1, | ||
text: 2, | ||
string: 3, | ||
image: 4, | ||
datetime: 4, | ||
date: 5, | ||
number: 5, | ||
object: 7, | ||
list: 7, | ||
}; | ||
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function compareWidget(a, b) { | ||
return widgetRank[a] - widgetRank[b]; | ||
} | ||
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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]; | ||
} | ||
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if (process.argv.length !== 3) { | ||
console.log("Usage: autoconfigure.collections.js <path-to-my-folder>"); | ||
process.exit(1); | ||
} | ||
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const folder = process.argv[2].replace(/\/$/, ''); | ||
const files = fs.readdirSync(folder); | ||
const extensions = {}; | ||
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files.forEach((file) => { | ||
const ext = file.split(".").pop(); | ||
if (ext) { | ||
extensions[ext] = extensions[ext] || 0; | ||
extensions[ext] += 1; | ||
} | ||
}); | ||
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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); | ||
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const collection = { | ||
label: capitalize(name), | ||
name, | ||
folder, | ||
extension, | ||
fields, | ||
}; | ||
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console.log(yaml.safeDump([collection], { flowLevel: 3 })); |