/
unionIntersectionSpacing.js
79 lines (67 loc) · 2.05 KB
/
unionIntersectionSpacing.js
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import {spacingFixers, getTokenAfterParens} from '../utilities';
const schema = [
{
enum: ['always', 'never'],
type: 'string',
},
];
const create = (context) => {
const sourceCode = context.getSourceCode();
const always = (context.options[0] || 'always') === 'always';
const check = (node) => {
node.types.forEach((type, index) => {
if (index + 1 === node.types.length) {
return;
}
const separator = getTokenAfterParens(sourceCode, type);
const endOfType = sourceCode.getTokenBefore(separator);
const nextType = sourceCode.getTokenAfter(separator);
const spaceBefore = separator.range[0] - endOfType.range[1];
const spaceAfter = nextType.range[0] - separator.range[1];
const data = {type: node.type === 'UnionTypeAnnotation' ? 'union' : 'intersection'};
if (always) {
if (!spaceBefore) {
context.report({
data,
fix: spacingFixers.addSpaceAfter(endOfType),
message: 'There must be a space before {{type}} type annotation separator',
node,
});
}
if (!spaceAfter) {
context.report({
data,
fix: spacingFixers.addSpaceAfter(separator),
message: 'There must be a space after {{type}} type annotation separator',
node,
});
}
} else {
if (spaceBefore) {
context.report({
data,
fix: spacingFixers.stripSpacesAfter(endOfType, spaceBefore),
message: 'There must be no space before {{type}} type annotation separator',
node,
});
}
if (spaceAfter) {
context.report({
data,
fix: spacingFixers.stripSpacesAfter(separator, spaceAfter),
message: 'There must be no space after {{type}} type annotation separator',
node,
});
}
}
});
};
return {
IntersectionTypeAnnotation: check,
UnionTypeAnnotation: check,
};
};
export default {
create,
schema,
};