144 lines
5.5 KiB
Plaintext
144 lines
5.5 KiB
Plaintext
import { f as createRule, w as canTokensBeAdjacent, z as isKeywordToken } from "../utils.js";
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var space_unary_ops_default = createRule({
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name: "space-unary-ops",
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meta: {
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type: "layout",
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docs: { description: "Enforce consistent spacing before or after unary operators" },
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fixable: "whitespace",
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schema: [{
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type: "object",
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properties: {
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words: { type: "boolean" },
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nonwords: { type: "boolean" },
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overrides: {
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type: "object",
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additionalProperties: { type: "boolean" }
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}
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},
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additionalProperties: false
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}],
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defaultOptions: [{
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words: true,
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nonwords: false
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}],
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messages: {
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unexpectedBefore: "Unexpected space before unary operator '{{operator}}'.",
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unexpectedAfter: "Unexpected space after unary operator '{{operator}}'.",
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unexpectedAfterWord: "Unexpected space after unary word operator '{{word}}'.",
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requireAfterWord: "Unary word operator '{{word}}' must be followed by whitespace.",
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requireAfter: "Unary operator '{{operator}}' must be followed by whitespace.",
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requireBefore: "Space is required before unary operator '{{operator}}'."
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}
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},
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create(context, [options]) {
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const { words, nonwords, overrides = {} } = options;
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const sourceCode = context.sourceCode;
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function isFirstBangInBangBangExpression(node) {
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return node && node.type === "UnaryExpression" && node.argument && node.argument.type === "UnaryExpression" && node.argument.operator === "!";
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}
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function verifyWordHasSpaces(node, firstToken, secondToken, word) {
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if (secondToken.range[0] === firstToken.range[1]) context.report({
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node,
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messageId: "requireAfterWord",
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data: { word },
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fix(fixer) {
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return fixer.insertTextAfter(firstToken, " ");
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}
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});
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}
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function verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word) {
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if (canTokensBeAdjacent(firstToken, secondToken)) {
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if (secondToken.range[0] > firstToken.range[1]) context.report({
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node,
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messageId: "unexpectedAfterWord",
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data: { word },
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fix(fixer) {
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return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
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}
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});
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}
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}
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function checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, word) {
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if (overrides[word] ?? words) verifyWordHasSpaces(node, firstToken, secondToken, word);
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else verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word);
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}
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function checkForSpacesAroundNonNull(node) {
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const operator = "!";
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const operatorToken = sourceCode.getLastToken(node, (token) => token.value === operator);
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const prefixToken = sourceCode.getTokenBefore(operatorToken);
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if (overrides["ts-non-null"] ?? overrides[operator] ?? nonwords) verifyNonWordsHaveSpaces(node, prefixToken, operatorToken);
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else verifyNonWordsDontHaveSpaces(node, prefixToken, operatorToken);
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}
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function checkForSpacesAfterYield(node) {
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const tokens = sourceCode.getFirstTokens(node, 3);
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const word = "yield";
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if (!node.argument || node.delegate) return;
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checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], word);
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}
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function checkForSpacesAfterAwait(node) {
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const tokens = sourceCode.getFirstTokens(node, 3);
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checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], "await");
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}
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function verifyNonWordsHaveSpaces(node, firstToken, secondToken) {
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if ("prefix" in node && node.prefix) {
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if (isFirstBangInBangBangExpression(node)) return;
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if (firstToken.range[1] === secondToken.range[0]) context.report({
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node,
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messageId: "requireAfter",
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data: { operator: firstToken.value },
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fix(fixer) {
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return fixer.insertTextAfter(firstToken, " ");
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}
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});
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} else if (firstToken.range[1] === secondToken.range[0]) context.report({
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node,
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messageId: "requireBefore",
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data: { operator: secondToken.value },
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fix(fixer) {
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return fixer.insertTextBefore(secondToken, " ");
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}
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});
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}
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function verifyNonWordsDontHaveSpaces(node, firstToken, secondToken) {
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if ("prefix" in node && node.prefix) {
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if (secondToken.range[0] > firstToken.range[1]) context.report({
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node,
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messageId: "unexpectedAfter",
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data: { operator: firstToken.value },
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fix(fixer) {
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if (canTokensBeAdjacent(firstToken, secondToken)) return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
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return null;
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}
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});
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} else if (secondToken.range[0] > firstToken.range[1]) context.report({
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node,
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messageId: "unexpectedBefore",
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data: { operator: secondToken.value },
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fix(fixer) {
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return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
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}
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});
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}
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function checkForSpaces(node) {
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const tokens = node.type === "UpdateExpression" && !node.prefix ? sourceCode.getLastTokens(node, 2) : sourceCode.getFirstTokens(node, 2);
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const firstToken = tokens[0];
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const secondToken = tokens[1];
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if ((node.type === "NewExpression" || node.prefix) && isKeywordToken(firstToken)) {
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checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, firstToken.value);
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return;
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}
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if (overrides["prefix" in node && node.prefix ? tokens[0].value : tokens[1].value] ?? nonwords) verifyNonWordsHaveSpaces(node, firstToken, secondToken);
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else verifyNonWordsDontHaveSpaces(node, firstToken, secondToken);
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}
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return {
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UnaryExpression: checkForSpaces,
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UpdateExpression: checkForSpaces,
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NewExpression: checkForSpaces,
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YieldExpression: checkForSpacesAfterYield,
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AwaitExpression: checkForSpacesAfterAwait,
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TSNonNullExpression: checkForSpacesAroundNonNull
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};
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}
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});
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export { space_unary_ops_default as t };
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