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5 changes: 3 additions & 2 deletions packages/eslint-plugin/src/rules/interface-name-prefix.ts
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import * as util from '../util';

type Options = ['never' | 'always'];
type MessageIds = 'noPrefix';
type MessageIds = 'noPrefix' | 'alwaysPrefix';

export default util.createRule<Options, MessageIds>({
name: 'interface-name-prefix',
Expand All @@ -15,6 +15,7 @@ export default util.createRule<Options, MessageIds>({
},
messages: {
noPrefix: 'Interface name must not be prefixed with "I".',
alwaysPrefix: 'Interface name must be prefixed with "I".',
},
schema: [
{
Expand Down Expand Up @@ -51,7 +52,7 @@ export default util.createRule<Options, MessageIds>({
if (!isPrefixedWithI(node.id.name)) {
context.report({
node: node.id,
messageId: 'noPrefix',
messageId: 'alwaysPrefix',
});
}
}
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ interface Animal {
options: ['always'],
errors: [
{
messageId: 'noPrefix',
messageId: 'alwaysPrefix',
line: 2,
column: 11,
},
Expand All @@ -92,7 +92,7 @@ interface Iguana {
options: ['always'],
errors: [
{
messageId: 'noPrefix',
messageId: 'alwaysPrefix',
line: 2,
column: 11,
},
Expand Down