You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

73 lines
2.0 KiB

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