import { spacingFixers, } from '../utilities'; const schema = [ { enum: ['always', 'never'], type: 'string', }, ]; const create = (context) => { const sourceCode = context.getSourceCode(); const never = (context.options[0] || 'never') === 'never'; return { GenericTypeAnnotation(node) { const types = node.typeParameters; // Promise // ^^^^^^^^^^^^ GenericTypeAnnotation (with typeParameters) // ^^^ GenericTypeAnnotation (without typeParameters) if (!types) { return; } const [opener, firstInnerToken] = sourceCode.getFirstTokens(types, 2); const [lastInnerToken, closer] = sourceCode.getLastTokens(types, 2); const spacesBefore = firstInnerToken.range[0] - opener.range[1]; const spacesAfter = closer.range[0] - lastInnerToken.range[1]; if (never) { if (spacesBefore) { const whiteSpaceBefore = sourceCode.text[opener.range[1]]; if (whiteSpaceBefore !== '\n' && whiteSpaceBefore !== '\r') { context.report({ data: { name: node.id.name }, fix: spacingFixers.stripSpacesAfter(opener, spacesBefore), message: 'There must be no space at start of "{{name}}" generic type annotation', node: types, }); } } if (spacesAfter) { const whiteSpaceAfter = sourceCode.text[closer.range[0] - 1]; if (whiteSpaceAfter !== '\n' && whiteSpaceAfter !== '\r') { context.report({ data: { name: node.id.name }, fix: spacingFixers.stripSpacesAfter(lastInnerToken, spacesAfter), message: 'There must be no space at end of "{{name}}" generic type annotation', node: types, }); } } } else { if (spacesBefore > 1) { context.report({ data: { name: node.id.name }, fix: spacingFixers.stripSpacesAfter(opener, spacesBefore - 1), message: 'There must be one space at start of "{{name}}" generic type annotation', node: types, }); } else if (spacesBefore === 0) { context.report({ data: { name: node.id.name }, fix: spacingFixers.addSpaceAfter(opener), message: 'There must be a space at start of "{{name}}" generic type annotation', node: types, }); } if (spacesAfter > 1) { context.report({ data: { name: node.id.name }, fix: spacingFixers.stripSpacesAfter(lastInnerToken, spacesAfter - 1), message: 'There must be one space at end of "{{name}}" generic type annotation', node: types, }); } else if (spacesAfter === 0) { context.report({ data: { name: node.id.name }, fix: spacingFixers.addSpaceAfter(lastInnerToken), message: 'There must be a space at end of "{{name}}" generic type annotation', node: types, }); } } }, }; }; const meta = { fixable: 'whitespace', }; export default { create, meta, schema, };