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Tim van der Lippe
16aca394c5
Major update breaking changes: - ESLint 7.0.0 (https://eslint.org/docs/user-guide/migrating-to-7.0.0) now includes .eslint.rc.js in its list, which is fine for us. Other changes are not applicable for us. - eslint-plugin-mocha (https://github.com/lo1tuma/eslint-plugin-mocha/blob/master/CHANGELOG.md#700-may-13-2020) drops support for ESLint <7, but this CL updates to 7+. Other changes are not applicable for us. DISABLE_THIRD_PARTY_CHECK=Updating ESLint R=petermarshall@chromium.org Change-Id: I7760e084ef87f73a92f9ea4e075fb4c065047f5a Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2534873 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
/**
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* @fileoverview Rule to disallow use of void operator.
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* @author Mike Sidorov
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = {
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meta: {
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type: "suggestion",
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docs: {
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description: "disallow `void` operators",
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category: "Best Practices",
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recommended: false,
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url: "https://eslint.org/docs/rules/no-void"
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},
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messages: {
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noVoid: "Expected 'undefined' and instead saw 'void'."
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},
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schema: [
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{
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type: "object",
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properties: {
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allowAsStatement: {
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type: "boolean",
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default: false
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}
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},
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additionalProperties: false
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}
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]
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},
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create(context) {
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const allowAsStatement =
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context.options[0] && context.options[0].allowAsStatement;
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//--------------------------------------------------------------------------
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// Public
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//--------------------------------------------------------------------------
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return {
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'UnaryExpression[operator="void"]'(node) {
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if (
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allowAsStatement &&
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node.parent &&
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node.parent.type === "ExpressionStatement"
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) {
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return;
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}
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context.report({
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node,
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messageId: "noVoid"
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});
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}
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};
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}
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};
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