51 lines
2.0 KiB
JavaScript
51 lines
2.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.axisPropsAreEqual = axisPropsAreEqual;
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var _propsAreEqual = require("./propsAreEqual");
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var _excluded = ["domain", "range"],
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_excluded2 = ["domain", "range"];
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function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; }
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function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; }
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function shortArraysAreEqual(arr1, arr2) {
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if (arr1 === arr2) {
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return true;
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}
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if (Array.isArray(arr1) && arr1.length === 2 && Array.isArray(arr2) && arr2.length === 2) {
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return arr1[0] === arr2[0] && arr1[1] === arr2[1];
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}
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return false;
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}
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/**
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* Usually we would not compare array props deeply for performance consideration.
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* However, for axis props, domain is sometimes defined as a two-elements array, and range is always
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* a two-elements array. So we can do a shallow comparison for the rest props and a shallow
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* comparison for these two array props.
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* @param prevProps
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* @param nextProps
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*/
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function axisPropsAreEqual(prevProps, nextProps) {
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if (prevProps === nextProps) {
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return true;
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}
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var {
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domain: prevDomain,
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range: prevRange
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} = prevProps,
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prevRest = _objectWithoutProperties(prevProps, _excluded);
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var {
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domain: nextDomain,
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range: nextRange
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} = nextProps,
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nextRest = _objectWithoutProperties(nextProps, _excluded2);
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if (!shortArraysAreEqual(prevDomain, nextDomain)) {
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return false;
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}
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if (!shortArraysAreEqual(prevRange, nextRange)) {
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return false;
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}
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return (0, _propsAreEqual.propsAreEqual)(prevRest, nextRest);
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} |