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0a49c3dbb9
This fixes: ``` Run npm audit --omit dev # npm audit report @babel/traverse <7.23.2 Severity: critical Babel vulnerable to arbitrary code execution when compiling specifically crafted malicious code - https://github.com/advisories/GHSA-[6](https://github.com/microsoft/playwright/actions/runs/6535308689/job/17744452034?pr=27631#step:10:7)[7](https://github.com/microsoft/playwright/actions/runs/6535308689/job/17744452034?pr=27631#step:10:8)hx-6x53-jw[9](https://github.com/microsoft/playwright/actions/runs/6535308689/job/17744452034?pr=27631#step:10:10)2 fix available via `npm audit fix` node_modules/@babel/traverse 1 critical severity vulnerability To address all issues, run: npm audit fix Error: Process completed with exit code 1. ```
62 lines
2.1 KiB
TypeScript
62 lines
2.1 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { PNG } from 'playwright-core/lib/utilsBundle';
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import { ImageChannel } from 'playwright-core/lib/image_tools/imageChannel';
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// mulberry32
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export function createRandom(seed) {
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return function() {
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let t = seed += 0x6D2B79F5;
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t = Math.imul(t ^ t >>> 15, t | 1);
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t ^= t + Math.imul(t ^ t >>> 7, t | 61);
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return ((t ^ t >>> 14) >>> 0) / 4294967296;
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};
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}
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export function randomPNG(width, height, seed) {
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const random = createRandom(seed);
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const png = new PNG({ width, height });
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for (let i = 0; i < height; ++i) {
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for (let j = 0; j < width; ++j) {
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for (let k = 0; k < 4; ++k)
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png.data[(i * width + j) * 4 + k] = (random() * 255) | 0;
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}
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}
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return png;
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}
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export function assertEqual(value1, value2) {
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if (Math.abs(value1 - value2) >= 1e-3)
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throw new Error(`ERROR: ${value1} is not equal to ${value2}`);
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}
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// NOTE: this is exact formula from SSIM.js and it DOES NOT include alpha.
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// We use it to better compare with original SSIM implementation.
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export function grayChannel(image: any) {
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const width = image.width;
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const height = image.height;
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const gray = new Uint8Array(image.width * image.height);
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for (let y = 0; y < image.height; ++y) {
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for (let x = 0; x < image.width; ++x) {
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const index = y * image.width + x;
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const offset = index * 4;
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gray[index] = (77 * image.data[offset] + 150 * image.data[offset + 1] + 29 * image.data[offset + 2] + 128) >> 8;
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}
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}
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return new ImageChannel(width, height, gray);
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}
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