orionsoft-react-scripts
Version:
Orionsoft Configuration and scripts for Create React App.
48 lines (39 loc) • 1.02 kB
JavaScript
// Borrowed from here:
// https://github.com/colonyamerican/eslint-plugin-cah/issues/3
function isDeclared (scope, ref) {
return scope.variables.some(function (variable) {
if (variable.name !== ref.identifier.name) {
return false
}
if (!variable.defs || !variable.defs.length) {
return false
}
return true
})
}
module.exports = {
create: function (context) {
var MESSAGE = '"{{name}}" is not defined.'
/**
* Checks for and reports reassigned constants
*
* @param {Scope} scope - an escope Scope object
* @returns {void}
* @private
*/
return {
'Program:exit': function () {
var scope = context.getScope()
scope.implicit.left.forEach(function (ref) {
if (ref.identifier.name !== 'Promise') {
return
}
if (!isDeclared(scope, ref)) {
context.report(ref.identifier, MESSAGE, { name: ref.identifier.name })
}
})
}
}
}
}