mirror of
https://github.com/react/react-native-devtools-frontend.git
synced 2026-10-01 01:38:07 +08:00
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>
67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var $Number = GetIntrinsic('%Number%');
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var $TypeError = GetIntrinsic('%TypeError%');
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var $isNaN = require('../helpers/isNaN');
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var $isFinite = require('../helpers/isFinite');
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var isPrefixOf = require('../helpers/isPrefixOf');
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var ToNumber = require('./ToNumber');
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var ToPrimitive = require('./ToPrimitive');
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var Type = require('./Type');
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// https://www.ecma-international.org/ecma-262/5.1/#sec-11.8.5
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// eslint-disable-next-line max-statements
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module.exports = function AbstractRelationalComparison(x, y, LeftFirst) {
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if (Type(LeftFirst) !== 'Boolean') {
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throw new $TypeError('Assertion failed: LeftFirst argument must be a Boolean');
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}
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var px;
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var py;
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if (LeftFirst) {
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px = ToPrimitive(x, $Number);
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py = ToPrimitive(y, $Number);
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} else {
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py = ToPrimitive(y, $Number);
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px = ToPrimitive(x, $Number);
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}
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var bothStrings = Type(px) === 'String' && Type(py) === 'String';
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if (!bothStrings) {
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var nx = ToNumber(px);
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var ny = ToNumber(py);
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if ($isNaN(nx) || $isNaN(ny)) {
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return undefined;
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}
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if ($isFinite(nx) && $isFinite(ny) && nx === ny) {
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return false;
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}
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if (nx === 0 && ny === 0) {
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return false;
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}
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if (nx === Infinity) {
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return false;
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}
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if (ny === Infinity) {
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return true;
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}
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if (ny === -Infinity) {
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return false;
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}
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if (nx === -Infinity) {
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return true;
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}
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return nx < ny; // by now, these are both nonzero, finite, and not equal
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}
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if (isPrefixOf(py, px)) {
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return false;
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}
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if (isPrefixOf(px, py)) {
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return true;
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}
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return px < py; // both strings, neither a prefix of the other. shortcut for steps c-f
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};
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