// This is JUST the code needed to open a package.json file and parse it.
|
// It's isolated out so that code needing to parse a package.json file can do so in the same way as this module does, without needing to require the whole module, or needing to require the underlying parsing library.
|
|
const { readFile } = require('fs/promises')
|
const parseJSON = require('json-parse-even-better-errors')
|
|
async function read (filename) {
|
try {
|
const data = await readFile(filename, 'utf8')
|
return data
|
} catch (err) {
|
err.message = `Could not read package.json: ${err}`
|
throw err
|
}
|
}
|
|
function parse (data) {
|
try {
|
const content = parseJSON(data)
|
return content
|
} catch (err) {
|
err.message = `Invalid package.json: ${err}`
|
throw err
|
}
|
}
|
|
// This is what most external libs will use.
|
// PackageJson will call read and parse separately
|
async function readPackage (filename) {
|
const data = await read(filename)
|
const content = parse(data)
|
return content
|
}
|
|
module.exports = {
|
read,
|
parse,
|
readPackage,
|
}
|
