61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
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import { calculate as calculateHashes } from "../hashes.js";
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export function HashesManager( wire ) {
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return {
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/**
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* Wire variable instance.
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*/
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$wire: wire,
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/**
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* If a file hash is currently calculated or not.
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* @type {boolean}
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*/
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isCalculating: false,
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/**
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* An error on hash calculation.
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* @type {any|null}
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*/
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error: null,
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async handleSubmitFile(){
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if( this.isCalculating === true ) // Calculation already done for another file.
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return;
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this.error = null; // Reset.
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const FILE = await this.openFileInput();
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if( !FILE )
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return; // No file sent.
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this.isCalculating = true;
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try {
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const RESULT = await calculateHashes(FILE);
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await this.$wire.addHash(RESULT.filename, RESULT.crc32, RESULT.sha1); // Send a signal to livewire.
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} catch(err) {
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this.error = err.message;
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} finally {
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this.isCalculating = false;
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}
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},
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/**
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* Open a specific file.
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* @returns {Promise<unknown>}
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*/
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async openFileInput(){
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return new Promise(resolve => {
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const input = document.createElement("input");
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input.type = "file";
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input.onchange = () => resolve(input.files[0] ?? null );
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input.oncancel = () => resolve(null);
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input.click();
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});
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}
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}
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}
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