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72 lines
1.9 KiB
72 lines
1.9 KiB
'use strict'; |
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const fs = require('fs'); |
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const path = require('path'); |
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const fileType = require('file-type'); |
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const globby = require('globby'); |
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const makeDir = require('make-dir'); |
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const pify = require('pify'); |
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const pPipe = require('p-pipe'); |
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const replaceExt = require('replace-ext'); |
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const fsP = pify(fs); |
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const handleFile = (input, output, opts) => fsP.readFile(input).then(data => { |
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const dest = output ? path.join(output, path.basename(input)) : null; |
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if (opts.plugins && !Array.isArray(opts.plugins)) { |
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throw new TypeError('The plugins option should be an `Array`'); |
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} |
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const pipe = opts.plugins.length > 0 ? pPipe(opts.plugins)(data) : Promise.resolve(data); |
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return pipe |
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.then(buf => { |
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buf = buf.length < data.length ? buf : data; |
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const ret = { |
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data: buf, |
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path: (fileType(buf) && fileType(buf).ext === 'webp') ? replaceExt(dest, '.webp') : dest |
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}; |
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if (!dest) { |
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return ret; |
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} |
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return makeDir(path.dirname(ret.path)) |
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.then(() => fsP.writeFile(ret.path, ret.data)) |
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.then(() => ret); |
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}) |
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.catch(err => { |
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err.message = `Error in file: ${input}\n\n${err.message}`; |
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throw err; |
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}); |
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}); |
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module.exports = (input, output, opts) => { |
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if (!Array.isArray(input)) { |
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return Promise.reject(new TypeError('Expected an array')); |
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} |
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if (typeof output === 'object') { |
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opts = output; |
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output = null; |
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} |
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opts = Object.assign({plugins: []}, opts); |
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opts.plugins = opts.use || opts.plugins; |
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return globby(input, {nodir: true}).then(paths => Promise.all(paths.map(x => handleFile(x, output, opts)))); |
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}; |
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module.exports.buffer = (input, opts) => { |
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if (!Buffer.isBuffer(input)) { |
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return Promise.reject(new TypeError('Expected a buffer')); |
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} |
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opts = Object.assign({plugins: []}, opts); |
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opts.plugins = opts.use || opts.plugins; |
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const pipe = opts.plugins.length > 0 ? pPipe(opts.plugins)(input) : Promise.resolve(input); |
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return pipe.then(buf => buf.length < input.length ? buf : input); |
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};
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