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partial-deep-equal.js
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170 lines (149 loc) · 4.26 KB
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'use strict';
const common = require('../common.js');
const assert = require('assert');
const bench = common.createBenchmark(main, {
n: [125],
size: [500],
extraProps: [0, 1],
datasetName: [
'objects',
'sets',
'setsWithObjects',
'maps',
'circularRefs',
'typedArrays',
'arrayBuffers',
'dataViewArrayBuffers',
'array',
],
});
function createArray(length, extraProps) {
if (extraProps) {
return Array.from({ length: length * 4 }, (_, i) => i);
}
return Array.from({ length }, (_, i) => i * 4);
}
function createObjects(length, extraProps, depth = 0) {
return Array.from({ length }, (_, i) => ({
foo: 'yarp',
nope: {
bar: '123',
...(extraProps ? { a: [1, 2, i] } : {}),
c: {},
b: !depth ? createObjects(2, extraProps, depth + 1) : [],
},
}));
}
function createSetsWithObjects(length, extraProps, depth = 0) {
return Array.from({ length }, (_, i) => new Set([
...(extraProps ? [{}] : []),
{
simple: 'object',
number: i,
},
['array', 'with', 'values'],
new Set([[], {}, { nested: i }]),
]));
}
function createSets(length, extraProps, depth = 0) {
return Array.from({ length }, (_, i) => new Set([
'yarp',
...(extraProps ? ['123', 1, 2] : []),
i + 3,
null,
{
simple: 'object',
number: i,
},
['array', 'with', 'values'],
!depth ? new Set([1, { nested: i }]) : new Set(),
!depth ? createSets(2, extraProps, depth + 1) : null,
]));
}
function createMaps(length, extraProps, depth = 0) {
return Array.from({ length }, (_, i) => new Map([
...(extraProps ? [['primitiveKey', 'primitiveValue']] : []),
[42, 'numberKey'],
['objectValue', { a: 1, b: i }],
['arrayValue', [1, 2, i]],
['nestedMap', new Map([['a', i], ['b', { deep: true }]])],
[{ objectKey: true }, 'value from object key'],
[[1, i, 3], 'value from array key'],
[!depth ? createMaps(2, extraProps, depth + 1) : null, 'recursive value' + i],
]));
}
function createCircularRefs(length, extraProps) {
return Array.from({ length }, (_, i) => {
const circularSet = new Set();
const circularMap = new Map();
const circularObj = { name: 'circular object' };
circularSet.add('some value' + i);
circularSet.add(circularSet);
circularMap.set('self', circularMap);
circularMap.set('value', 'regular value');
circularObj.self = circularObj;
const objA = { name: 'A' };
const objB = { name: 'B' };
objA.ref = objB;
objB.ref = objA;
circularSet.add(objA);
circularMap.set('objB', objB);
return {
circularSet,
circularMap,
...extraProps ? { extra: i } : {},
circularObj,
objA,
objB,
};
});
}
function createTypedArrays(length, extraParts) {
const extra = extraParts ? [9, 8, 7] : [];
return Array.from({ length }, (_, i) => {
return {
uint8: new Uint8Array(new ArrayBuffer(32), 4, 4),
int16: new Int16Array([1, 2, ...extra, 3]),
uint32: new Uint32Array([i + 1, i + 2, ...extra, i + 3]),
float64: new Float64Array([1.1, 2.2, ...extra, i + 3.3]),
bigUint64: new BigUint64Array([1n, 2n, 3n]),
};
});
}
function createArrayBuffers(length, extra) {
return Array.from({ length }, (_, n) => {
const buffer = Buffer.alloc(n + (extra ? 1 : 0));
for (let i = 0; i < n; i++) {
buffer.writeInt8(i % 128, i);
}
return buffer.buffer;
});
}
function createDataViewArrayBuffers(length, extra) {
return createArrayBuffers(length, extra).map((buffer) => new DataView(buffer));
}
const datasetMappings = {
objects: createObjects,
sets: createSets,
setsWithObjects: createSetsWithObjects,
maps: createMaps,
circularRefs: createCircularRefs,
typedArrays: createTypedArrays,
arrayBuffers: createArrayBuffers,
dataViewArrayBuffers: createDataViewArrayBuffers,
array: createArray,
};
function getDatasets(datasetName, size, extra) {
return {
actual: datasetMappings[datasetName](size, true),
expected: datasetMappings[datasetName](size, !extra),
};
}
function main({ size, n, datasetName, extraProps }) {
const { actual, expected } = getDatasets(datasetName, size, extraProps);
bench.start();
for (let i = 0; i < n; ++i) {
assert.partialDeepStrictEqual(actual, expected);
}
bench.end(n);
}