aaac7fed
 liuqimichale
add
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'use strict';
const processFn = (fn, opts) => function () {
const P = opts.promiseModule;
const args = new Array(arguments.length);
for (let i = 0; i < arguments.length; i++) {
args[i] = arguments[i];
}
return new P((resolve, reject) => {
if (opts.errorFirst) {
args.push(function (err, result) {
if (opts.multiArgs) {
const results = new Array(arguments.length - 1);
for (let i = 1; i < arguments.length; i++) {
results[i - 1] = arguments[i];
}
if (err) {
results.unshift(err);
reject(results);
} else {
resolve(results);
}
} else if (err) {
reject(err);
} else {
resolve(result);
}
});
} else {
args.push(function (result) {
if (opts.multiArgs) {
const results = new Array(arguments.length - 1);
for (let i = 0; i < arguments.length; i++) {
results[i] = arguments[i];
}
resolve(results);
} else {
resolve(result);
}
});
}
fn.apply(this, args);
});
};
module.exports = (obj, opts) => {
opts = Object.assign({
exclude: [/.+(Sync|Stream)$/],
errorFirst: true,
promiseModule: Promise
}, opts);
const filter = key => {
const match = pattern => typeof pattern === 'string' ? key === pattern : pattern.test(key);
return opts.include ? opts.include.some(match) : !opts.exclude.some(match);
};
let ret;
if (typeof obj === 'function') {
ret = function () {
if (opts.excludeMain) {
return obj.apply(this, arguments);
}
return processFn(obj, opts).apply(this, arguments);
};
} else {
ret = Object.create(Object.getPrototypeOf(obj));
}
for (const key in obj) { // eslint-disable-line guard-for-in
const x = obj[key];
ret[key] = typeof x === 'function' && filter(key) ? processFn(x, opts) : x;
}
return ret;
};
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