Tom Butcher
2522e2f9ce
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- Changed the API URL in both `config.json` and `src/config.js` for the development environment. - Added a new `objectid.js` file containing utility functions for handling object IDs, including `stringifyIds` and `refId`. - Updated the `PrinterDatabase`, `PrinterClient`, and `PrinterManager` classes to utilize the new object ID handling functions, ensuring consistent ID management across the application. - Enhanced the `SocketClient` to incorporate a custom parser for handling string IDs in socket communications.
99 lines
3.2 KiB
JavaScript
99 lines
3.2 KiB
JavaScript
function bytesOf(value) {
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if (value == null) return null;
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if (typeof Buffer !== 'undefined' && Buffer.isBuffer(value)) {
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return value.length === 12 ? value : null;
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}
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if (value instanceof Uint8Array) {
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return value.byteLength === 12 ? Buffer.from(value) : null;
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}
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if (
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value &&
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value.type === 'Buffer' &&
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Array.isArray(value.data) &&
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value.data.length === 12
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) {
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return Buffer.from(value.data);
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}
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if (typeof value !== 'object' || Array.isArray(value) || value instanceof Date) {
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return null;
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}
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const keys = Object.keys(value);
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if (keys.length !== 12) return null;
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const bytes = Buffer.alloc(12);
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for (let index = 0; index < 12; index += 1) {
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if (!Object.prototype.hasOwnProperty.call(value, index)) return null;
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const byte = Number(value[index]);
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if (!Number.isInteger(byte) || byte < 0 || byte > 255) return null;
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bytes[index] = byte;
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}
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return bytes;
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}
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const PURE_REF_KEYS = new Set(['_id', 'id', 'buffer', '$oid']);
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function isPureRef(value) {
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if (value == null || typeof value !== 'object') return false;
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if (typeof value.toHexString === 'function') return true;
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if (Array.isArray(value) || value instanceof Date) return false;
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const keys = Object.keys(value);
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return keys.length > 0 && keys.every(key => PURE_REF_KEYS.has(key)) && refId(value) != null;
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}
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function isBinaryPayload(value) {
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if (value == null || typeof value !== 'object') return false;
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if (typeof Buffer !== 'undefined' && Buffer.isBuffer(value)) return true;
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if (value instanceof Uint8Array || value instanceof ArrayBuffer) return true;
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const name = value.constructor?.name;
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return name === 'Blob' || name === 'File';
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}
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// Object ids are always hex strings on the wire. File buffers are left alone.
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export function stringifyIds(value) {
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if (value == null) return value;
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if (typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean') {
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return value;
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}
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if (typeof value.toHexString === 'function') return value.toHexString();
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if (value instanceof Date || typeof value === 'function') return value;
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if (isBinaryPayload(value)) return value;
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if (Array.isArray(value)) return value.map(item => stringifyIds(item));
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if (typeof value === 'object') {
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if (isPureRef(value)) {
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const id = refId(value);
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if (typeof id === 'string') return id;
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}
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const copy = {};
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for (const [key, child] of Object.entries(value)) {
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copy[key] = stringifyIds(child);
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}
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return copy;
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}
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return value;
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}
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export function refId(value) {
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if (value == null || value === '') return null;
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if (typeof value === 'string') return value;
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if (typeof value === 'object' && typeof value.toHexString === 'function') {
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return value.toHexString();
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}
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if (typeof value !== 'object' || Array.isArray(value) || value instanceof Date) {
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return null;
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}
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if (typeof value.$oid === 'string') return refId(value.$oid);
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const keys = Object.keys(value);
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if (
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keys.length > 0 &&
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keys.every(key => key === 'buffer' || key === 'id' || key === 'type' || key === 'data')
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) {
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const bytes = bytesOf(value.buffer) || bytesOf(value.id) || bytesOf(value);
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if (bytes) return bytes.toString('hex');
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}
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if (value._id != null) return refId(value._id);
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return null;
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}
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