ce4c83ff
 wxy
初始提交
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// Borrowed from here:
// https://github.com/colonyamerican/eslint-plugin-cah/issues/3
'use strict'
const getDocsUrl = require('./lib/get-docs-url')
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 = {
meta: {
docs: {
url: getDocsUrl('no-native')
}
},
create: function(context) {
const 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() {
const scope = context.getScope()
scope.implicit.left.forEach(function(ref) {
if (ref.identifier.name !== 'Promise') {
return
}
if (!isDeclared(scope, ref)) {
context.report({
node: ref.identifier,
message: MESSAGE,
data: { name: ref.identifier.name }
})
}
})
}
}
}
}
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