npm/scripts/config-doc-command.js

56 lines
1.8 KiB
JavaScript

const { definitions } = require('../lib/utils/config/index.js')
const { writeFileSync, readFileSync } = require('fs')
const { resolve } = require('path')
const configDoc = process.argv[2]
const commandFile = process.argv[3]
// Note: commands without params skip this whole process.
const { params } = require(resolve(commandFile))
const describeAll = () =>
params.map(name => definitions[name].describe()).join(
'\n\n<!-- automatically generated, do not edit manually -->\n' +
'<!-- see lib/utils/config/definitions.js -->\n\n'
)
const addBetweenTags = (doc, startTag, endTag, body) => {
const startSplit = doc.split(startTag)
if (startSplit.length !== 2) {
throw new Error('Did not find exactly one start tag')
}
const endSplit = startSplit[1].split(endTag)
if (endSplit.length !== 2) {
throw new Error('Did not find exactly one end tag')
}
return [
startSplit[0],
startTag,
'\n<!-- automatically generated, do not edit manually -->\n' +
'<!-- see lib/utils/config/definitions.js -->\n',
body,
'\n\n<!-- automatically generated, do not edit manually -->\n' +
'<!-- see lib/utils/config/definitions.js -->',
'\n\n',
endTag,
endSplit[1],
].join('')
}
const addDescriptions = doc => {
const startTag = '<!-- AUTOGENERATED CONFIG DESCRIPTIONS START -->'
const endTag = '<!-- AUTOGENERATED CONFIG DESCRIPTIONS END -->'
return addBetweenTags(doc, startTag, endTag, describeAll())
}
// always write SOMETHING so that Make sees the file is up to date.
const doc = readFileSync(configDoc, 'utf8')
const hasTag = doc.includes('<!-- AUTOGENERATED CONFIG DESCRIPTIONS START -->')
const newDoc = params && hasTag ? addDescriptions(doc) : doc
if (params && !hasTag) {
console.error('WARNING: did not find config description section', configDoc)
}
writeFileSync(configDoc, newDoc)