Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | 63x 108x 121x 121x 105x 3x 2x 157x 157x 2x 1x 1x 63x | /**
* @class
* @classdesc requires peer dependencies
*/
class Injector {
constructor (require) {
this.require = require
}
/**
* @param {Array<String>} moduleNames An array of module names
* @param {Boolean} optional At least one module must be successfullly resolved, or
* an error is thrown
* @return {Object} A resolved dependency or undefined if none are found
*/
provideAny (moduleNames, optional = true) {
for (const name of moduleNames) {
const exported = this.provideOne(name, true)
if (exported) {
/**
* A resolved, optional peer dependency
* @typedef {Object} Injector~Dependency
* @property {String} name
* @property {Module} exported
*/
return { name, exported }
}
}
if (!optional) {
throw new Error(`Could not resolve any of ${moduleNames}, but at least one was required`)
}
}
provideOne (moduleName, optional = false, allowSystem = false) {
try {
return this.require(moduleName, { optional })
} catch (e) {
if (e.message.indexOf('not found') > -1 && allowSystem) {
return require(moduleName)
}
throw e
}
}
}
module.exports = require => new Injector(require)
|