122 lines
3.2 KiB
Plaintext
122 lines
3.2 KiB
Plaintext
import { U as isParenthesised, f as createRule, g as import_ast_utils, k as getPrecedence } from "../utils.js";
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const ARITHMETIC_OPERATORS = [
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"+",
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"-",
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"*",
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"/",
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"%",
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"**"
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];
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const BITWISE_OPERATORS = [
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"&",
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"|",
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"^",
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"~",
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"<<",
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">>",
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">>>"
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];
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const COMPARISON_OPERATORS = [
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"==",
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"!=",
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"===",
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"!==",
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">",
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">=",
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"<",
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"<="
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];
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const LOGICAL_OPERATORS = ["&&", "||"];
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const RELATIONAL_OPERATORS = ["in", "instanceof"];
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const ALL_OPERATORS = [].concat(ARITHMETIC_OPERATORS, BITWISE_OPERATORS, COMPARISON_OPERATORS, LOGICAL_OPERATORS, RELATIONAL_OPERATORS, ["?:"], ["??"]);
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const DEFAULT_GROUPS = [
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ARITHMETIC_OPERATORS,
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BITWISE_OPERATORS,
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COMPARISON_OPERATORS,
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LOGICAL_OPERATORS,
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RELATIONAL_OPERATORS
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];
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const TARGET_NODE_TYPE = /^(?:Binary|Logical|Conditional)Expression$/u;
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function includesBothInAGroup(groups, left, right) {
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return groups.some((group) => group.includes(left) && group.includes(right));
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}
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function getChildNode(node) {
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return node.type === "ConditionalExpression" ? node.test : node.left;
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}
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var no_mixed_operators_default = createRule({
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name: "no-mixed-operators",
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meta: {
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type: "layout",
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docs: { description: "Disallow mixed binary operators" },
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schema: [{
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type: "object",
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properties: {
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groups: {
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type: "array",
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items: {
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type: "array",
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items: {
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type: "string",
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enum: ALL_OPERATORS
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},
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minItems: 2,
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uniqueItems: true
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},
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uniqueItems: true
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},
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allowSamePrecedence: { type: "boolean" }
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},
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additionalProperties: false
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}],
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defaultOptions: [{
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groups: DEFAULT_GROUPS,
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allowSamePrecedence: true
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}],
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messages: { unexpectedMixedOperator: "Unexpected mix of '{{leftOperator}}' and '{{rightOperator}}'. Use parentheses to clarify the intended order of operations." }
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},
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create(context, [options]) {
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const sourceCode = context.sourceCode;
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const { groups, allowSamePrecedence } = options;
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function shouldIgnore(node) {
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const a = node;
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const b = node.parent;
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return !includesBothInAGroup(groups, a.operator, b.type === "ConditionalExpression" ? "?:" : b.operator) || allowSamePrecedence && getPrecedence(a) === getPrecedence(b);
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}
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function isMixedWithParent(node) {
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return node.operator !== node.parent.operator && !isParenthesised(sourceCode, node);
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}
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function getOperatorToken(node) {
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return sourceCode.getTokenAfter(getChildNode(node), import_ast_utils.isNotClosingParenToken);
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}
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function reportBothOperators(node) {
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const parent = node.parent;
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const left = getChildNode(parent) === node ? node : parent;
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const right = getChildNode(parent) !== node ? node : parent;
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const data = {
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leftOperator: left.operator || "?:",
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rightOperator: right.operator || "?:"
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};
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context.report({
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node: left,
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loc: getOperatorToken(left).loc,
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messageId: "unexpectedMixedOperator",
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data
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});
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context.report({
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node: right,
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loc: getOperatorToken(right).loc,
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messageId: "unexpectedMixedOperator",
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data
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});
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}
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function check(node) {
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if (TARGET_NODE_TYPE.test(node.parent.type) && isMixedWithParent(node) && !shouldIgnore(node)) reportBothOperators(node);
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}
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return {
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BinaryExpression: check,
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LogicalExpression: check
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};
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}
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});
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export { no_mixed_operators_default as t };
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