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Versions: 23
Compression:
Stored size: 1.48 KB
Contents
'use strict'
module.exports = convert
function convert(test) {
if (typeof test === 'string') {
return typeFactory(test)
}
if (test === null || test === undefined) {
return ok
}
if (typeof test === 'object') {
return ('length' in test ? anyFactory : matchesFactory)(test)
}
if (typeof test === 'function') {
return test
}
throw new Error('Expected function, string, or object as test')
}
function convertAll(tests) {
var results = []
var length = tests.length
var index = -1
while (++index < length) {
results[index] = convert(tests[index])
}
return results
}
// Utility assert each property in `test` is represented in `node`, and each
// values are strictly equal.
function matchesFactory(test) {
return matches
function matches(node) {
var key
for (key in test) {
if (node[key] !== test[key]) {
return false
}
}
return true
}
}
function anyFactory(tests) {
var checks = convertAll(tests)
var length = checks.length
return matches
function matches() {
var index = -1
while (++index < length) {
if (checks[index].apply(this, arguments)) {
return true
}
}
return false
}
}
// Utility to convert a string into a function which checks a given node’s type
// for said string.
function typeFactory(test) {
return type
function type(node) {
return Boolean(node && node.type === test)
}
}
// Utility to return true.
function ok() {
return true
}
Version data entries
23 entries across 23 versions & 1 rubygems