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node_modules/@maplibre/mlt/dist/encoding/embeddedTilesetMetadataEncoder.js
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40
node_modules/@maplibre/mlt/dist/encoding/embeddedTilesetMetadataEncoder.js
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import IntWrapper from "../decoding/intWrapper";
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import { encodeVarintInt32Value } from "./integerEncodingUtils";
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import { concatenateBuffers } from "../decoding/decodingTestUtils";
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/**
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* Encodes a single typeCode as a varint.
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*/
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export function encodeTypeCode(typeCode) {
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const buffer = new Uint8Array(5);
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const offset = new IntWrapper(0);
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encodeVarintInt32Value(typeCode, buffer, offset);
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return buffer.slice(0, offset.get());
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}
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/**
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* Encodes a field name as a length-prefixed UTF-8 string.
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*/
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export function encodeFieldName(name) {
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const textEncoder = new TextEncoder();
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const nameBytes = textEncoder.encode(name);
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const lengthBuf = new Uint8Array(5);
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const offset = new IntWrapper(0);
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encodeVarintInt32Value(nameBytes.length, lengthBuf, offset);
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const lengthSlice = lengthBuf.slice(0, offset.get());
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return concatenateBuffers(lengthSlice, nameBytes);
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}
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/**
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* Encodes a child count as a varint.
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*/
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export function encodeChildCount(count) {
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const buffer = new Uint8Array(5);
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const offset = new IntWrapper(0);
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encodeVarintInt32Value(count, buffer, offset);
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return buffer.slice(0, offset.get());
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}
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/**
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* Computes typeCode for a scalar field.
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*/
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export function scalarTypeCode(scalarType, nullable) {
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return 10 + scalarType * 2 + (nullable ? 1 : 0);
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}
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//# sourceMappingURL=embeddedTilesetMetadataEncoder.js.map
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