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// 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. | ||
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const { readFile } = require('fs/promises') | ||
const parseJSON = require('json-parse-even-better-errors') | ||
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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 | ||
} | ||
} | ||
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function parse (data) { | ||
try { | ||
const content = parseJSON(data) | ||
return content | ||
} catch (err) { | ||
err.message = `Invalid package.json: ${err}` | ||
throw err | ||
} | ||
} | ||
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// 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 | ||
} | ||
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module.exports = { | ||
read, | ||
parse, | ||
readPackage, | ||
} |
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