44 lines
1.4 KiB
TypeScript
44 lines
1.4 KiB
TypeScript
import { TSESTree } from "@typescript-eslint/experimental-utils";
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import { createRule } from "./utils";
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export = createRule({
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name: "no-type-assertion-whitespace",
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meta: {
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docs: {
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description: ``,
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category: "Stylistic Issues",
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recommended: "error",
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},
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messages: {
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noTypeAssertionWhitespace: `Excess trailing whitespace found around type assertion`,
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},
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schema: [],
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type: "problem",
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},
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defaultOptions: [],
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create(context) {
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const sourceCode = context.getSourceCode();
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const checkTypeAssertionWhitespace = (node: TSESTree.TSTypeAssertion) => {
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const leftToken = sourceCode.getLastToken(node.typeAnnotation);
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const rightToken = sourceCode.getFirstToken(node.expression);
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if (!leftToken || !rightToken) {
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return;
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}
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if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken)) {
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context.report({
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messageId: "noTypeAssertionWhitespace",
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node,
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loc: { column: leftToken.loc.end.column + 1, line: leftToken.loc.end.line },
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});
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}
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};
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return {
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TSTypeAssertion: checkTypeAssertionWhitespace,
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};
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},
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});
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