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Ana Maria Martinez Gomez
df7697db84
Add copyright and license information headers to the source code files inside the `web` directory and the `capa/render/proto/capa.proto` file. I have used addlicense to add the headers.
55 lines
1.8 KiB
JavaScript
55 lines
1.8 KiB
JavaScript
/**
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* Copyright 2024 Google LLC
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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 pako from "pako";
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/**
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* Checks if the given file is gzipped
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* @param {File} file - The file to check
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* @returns {Promise<boolean>} - True if the file is gzipped, false otherwise
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*/
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export const isGzipped = async (file) => {
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const arrayBuffer = await file.arrayBuffer();
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const uint8Array = new Uint8Array(arrayBuffer);
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return uint8Array[0] === 0x1f && uint8Array[1] === 0x8b;
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};
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/**
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* Decompresses a gzipped file
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* @param {File} file - The gzipped file to decompress
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* @returns {Promise<string>} - The decompressed file content as a string
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*/
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export const decompressGzip = async (file) => {
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const arrayBuffer = await file.arrayBuffer();
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const uint8Array = new Uint8Array(arrayBuffer);
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const decompressed = pako.inflate(uint8Array, { to: "string" });
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return decompressed;
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};
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/**
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* Reads a file as text
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* @param {File} file - The file to read
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* @returns {Promise<string>} - The file content as a string
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*/
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export const readFileAsText = (file) => {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = (event) => resolve(event.target.result);
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reader.onerror = (error) => reject(error);
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reader.readAsText(file);
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});
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};
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