From 3cb6ed82ce400963ad46efafcb0d6e63fa17914c Mon Sep 17 00:00:00 2001
From: Vanilagy <1696106+Vanilagy@users.noreply.github.com>
Date: Wed, 12 Nov 2025 13:11:18 +0100
Subject: [PATCH] Fix globals not being treeshakable by some bundlers (fixes
 #172)

---
 src/encode.ts                    | 10 +++++-----
 src/flac/flac-muxer.ts           |  2 +-
 src/input-format.ts              | 18 +++++++++---------
 src/isobmff/isobmff-boxes.ts     |  6 +++---
 src/matroska/ebml.ts             |  2 +-
 src/matroska/matroska-demuxer.ts |  2 +-
 src/matroska/matroska-muxer.ts   |  4 ++--
 src/misc.ts                      | 12 ++++++------
 src/ogg/ogg-reader.ts            |  2 +-
 src/packet.ts                    |  2 +-
 src/source.ts                    |  2 +-
 src/writer.ts                    |  6 +++---
 12 files changed, 34 insertions(+), 34 deletions(-)

diff --git a/src/encode.ts b/src/encode.ts
index bf7834b..81b3167 100644
--- a/src/encode.ts
+++ b/src/encode.ts
@@ -403,31 +403,31 @@ export class Quality {
  * @group Encoding
  * @public
  */
-export const QUALITY_VERY_LOW = new Quality(0.3);
+export const QUALITY_VERY_LOW = /* #__PURE__ */ new Quality(0.3);
 /**
  * Represents a low media quality.
  * @group Encoding
  * @public
  */
-export const QUALITY_LOW = new Quality(0.6);
+export const QUALITY_LOW = /* #__PURE__ */ new Quality(0.6);
 /**
  * Represents a medium media quality.
  * @group Encoding
  * @public
  */
-export const QUALITY_MEDIUM = new Quality(1);
+export const QUALITY_MEDIUM = /* #__PURE__ */ new Quality(1);
 /**
  * Represents a high media quality.
  * @group Encoding
  * @public
  */
-export const QUALITY_HIGH = new Quality(2);
+export const QUALITY_HIGH = /* #__PURE__ */ new Quality(2);
 /**
  * Represents a very high media quality.
  * @group Encoding
  * @public
  */
-export const QUALITY_VERY_HIGH = new Quality(4);
+export const QUALITY_VERY_HIGH = /* #__PURE__ */ new Quality(4);
 
 /**
  * Checks if the browser is able to encode the given codec.
diff --git a/src/flac/flac-muxer.ts b/src/flac/flac-muxer.ts
index fdda1d0..782234a 100644
--- a/src/flac/flac-muxer.ts
+++ b/src/flac/flac-muxer.ts
@@ -28,7 +28,7 @@ import {
 	readCodedNumber,
 } from './flac-misc';
 
-const FLAC_HEADER = new Uint8Array([0x66, 0x4c, 0x61, 0x43]); // 'fLaC'
+const FLAC_HEADER = /* #__PURE__ */ new Uint8Array([0x66, 0x4c, 0x61, 0x43]); // 'fLaC'
 const STREAMINFO_SIZE = 38;
 const STREAMINFO_BLOCK_SIZE = 34;
 
diff --git a/src/input-format.ts b/src/input-format.ts
index ed57825..1748f27 100644
--- a/src/input-format.ts
+++ b/src/input-format.ts
@@ -481,56 +481,56 @@ export class AdtsInputFormat extends InputFormat {
  * @group Input formats
  * @public
  */
-export const MP4 = new Mp4InputFormat();
+export const MP4 = /* #__PURE__ */ new Mp4InputFormat();
 /**
  * QuickTime File Format input format singleton.
  * @group Input formats
  * @public
  */
-export const QTFF = new QuickTimeInputFormat();
+export const QTFF = /* #__PURE__ */ new QuickTimeInputFormat();
 /**
  * Matroska input format singleton.
  * @group Input formats
  * @public
  */
-export const MATROSKA = new MatroskaInputFormat();
+export const MATROSKA = /* #__PURE__ */ new MatroskaInputFormat();
 /**
  * WebM input format singleton.
  * @group Input formats
  * @public
  */
-export const WEBM = new WebMInputFormat();
+export const WEBM = /* #__PURE__ */ new WebMInputFormat();
 /**
  * MP3 input format singleton.
  * @group Input formats
  * @public
  */
-export const MP3 = new Mp3InputFormat();
+export const MP3 = /* #__PURE__ */ new Mp3InputFormat();
 /**
  * WAVE input format singleton.
  * @group Input formats
  * @public
  */
-export const WAVE = new WaveInputFormat();
+export const WAVE = /* #__PURE__ */ new WaveInputFormat();
 /**
  * Ogg input format singleton.
  * @group Input formats
  * @public
  */
-export const OGG = new OggInputFormat();
+export const OGG = /* #__PURE__ */ new OggInputFormat();
 /**
  * ADTS input format singleton.
  * @group Input formats
  * @public
  */
-export const ADTS = new AdtsInputFormat();
+export const ADTS = /* #__PURE__ */ new AdtsInputFormat();
 
 /**
  * FLAC input format singleton.
  * @group Input formats
  * @public
  */
-export const FLAC = new FlacInputFormat();
+export const FLAC = /* #__PURE__ */ new FlacInputFormat();
 
 /**
  * List of all input format singletons. If you don't need to support all input formats, you should specify the
diff --git a/src/isobmff/isobmff-boxes.ts b/src/isobmff/isobmff-boxes.ts
index d7a5a38..f2fccc4 100644
--- a/src/isobmff/isobmff-boxes.ts
+++ b/src/isobmff/isobmff-boxes.ts
@@ -135,8 +135,8 @@ export class IsobmffBoxWriter {
 	}
 }
 
-const bytes = new Uint8Array(8);
-const view = new DataView(bytes.buffer);
+const bytes = /* #__PURE__ */ new Uint8Array(8);
+const view = /* #__PURE__ */ new DataView(bytes.buffer);
 
 const u8 = (value: number) => {
 	return [(value % 0x100 + 0x100) % 0x100];
@@ -243,7 +243,7 @@ const rotationMatrix = (rotationInDegrees: number): TransformationMatrix => {
 		0, 0, 1,
 	];
 };
-const IDENTITY_MATRIX = rotationMatrix(0);
+const IDENTITY_MATRIX = /* #__PURE__ */ rotationMatrix(0);
 
 const matrixToBytes = (matrix: TransformationMatrix) => {
 	return [
diff --git a/src/matroska/ebml.ts b/src/matroska/ebml.ts
index 4fc70bd..5097b77 100644
--- a/src/matroska/ebml.ts
+++ b/src/matroska/ebml.ts
@@ -463,7 +463,7 @@ export class EBMLWriter {
 
 export const MAX_VAR_INT_SIZE = 8;
 export const MIN_HEADER_SIZE = 2; // 1-byte ID and 1-byte size
-export const MAX_HEADER_SIZE = 2 * MAX_VAR_INT_SIZE; // 8-byte ID and 8-byte size
+export const MAX_HEADER_SIZE = /* #__PURE__ */ 2 * MAX_VAR_INT_SIZE; // 8-byte ID and 8-byte size
 
 export const readVarIntSize = (slice: FileSlice) => {
 	const firstByte = readU8(slice);
diff --git a/src/matroska/matroska-demuxer.ts b/src/matroska/matroska-demuxer.ts
index e4e6c11..32880d5 100644
--- a/src/matroska/matroska-demuxer.ts
+++ b/src/matroska/matroska-demuxer.ts
@@ -228,7 +228,7 @@ const METADATA_ELEMENTS = [
 	{ id: EBMLId.Tracks, flag: 'tracksSeen' },
 	{ id: EBMLId.Cues, flag: 'cuesSeen' },
 ] as const;
-const MAX_RESYNC_LENGTH = 10 * 2 ** 20; // 10 MiB
+const MAX_RESYNC_LENGTH = /* #__PURE__ */ 10 * 2 ** 20; // 10 MiB
 
 export class MatroskaDemuxer extends Demuxer {
 	reader: Reader;
diff --git a/src/matroska/matroska-muxer.ts b/src/matroska/matroska-muxer.ts
index b12b95a..deff3e0 100644
--- a/src/matroska/matroska-muxer.ts
+++ b/src/matroska/matroska-muxer.ts
@@ -65,8 +65,8 @@ import { EncodedPacket } from '../packet';
 import { parseOpusIdentificationHeader } from '../codec-data';
 import { AttachedFile } from '../tags';
 
-const MIN_CLUSTER_TIMESTAMP_MS = -(2 ** 15);
-const MAX_CLUSTER_TIMESTAMP_MS = 2 ** 15 - 1;
+const MIN_CLUSTER_TIMESTAMP_MS = /* #__PURE__ */ -(2 ** 15);
+const MAX_CLUSTER_TIMESTAMP_MS = /* #__PURE__ */ 2 ** 15 - 1;
 const APP_NAME = 'Mediabunny';
 const SEGMENT_SIZE_BYTES = 6;
 const CLUSTER_SIZE_BYTES = 5;
diff --git a/src/misc.ts b/src/misc.ts
index c6f5119..fa682cd 100644
--- a/src/misc.ts
+++ b/src/misc.ts
@@ -174,8 +174,8 @@ export const toDataView = (source: AllowSharedBufferSource) => {
 	}
 };
 
-export const textDecoder = new TextDecoder();
-export const textEncoder = new TextEncoder();
+export const textDecoder = /* #__PURE__ */ new TextDecoder();
+export const textEncoder = /* #__PURE__ */ new TextEncoder();
 
 export const isIso88591Compatible = (text: string) => {
 	for (let i = 0; i < text.length; i++) {
@@ -201,7 +201,7 @@ export const COLOR_PRIMARIES_MAP = {
 	bt2020: 9, // ITU-R BT.202
 	smpte432: 12, // SMPTE EG 432-1
 };
-export const COLOR_PRIMARIES_MAP_INVERSE = invertObject(COLOR_PRIMARIES_MAP);
+export const COLOR_PRIMARIES_MAP_INVERSE = /* #__PURE__ */ invertObject(COLOR_PRIMARIES_MAP);
 
 export const TRANSFER_CHARACTERISTICS_MAP = {
 	'bt709': 1, // ITU-R BT.709
@@ -211,7 +211,7 @@ export const TRANSFER_CHARACTERISTICS_MAP = {
 	'pq': 16, // Rec. ITU-R BT.2100-2 perceptual quantization (PQ) system
 	'hlg': 18, // Rec. ITU-R BT.2100-2 hybrid loggamma (HLG) system
 };
-export const TRANSFER_CHARACTERISTICS_MAP_INVERSE = invertObject(TRANSFER_CHARACTERISTICS_MAP);
+export const TRANSFER_CHARACTERISTICS_MAP_INVERSE = /* #__PURE__ */ invertObject(TRANSFER_CHARACTERISTICS_MAP);
 
 export const MATRIX_COEFFICIENTS_MAP = {
 	'rgb': 0, // Identity
@@ -220,7 +220,7 @@ export const MATRIX_COEFFICIENTS_MAP = {
 	'smpte170m': 6, // SMPTE 170M
 	'bt2020-ncl': 9, // ITU-R BT.2020-2 (non-constant luminance)
 };
-export const MATRIX_COEFFICIENTS_MAP_INVERSE = invertObject(MATRIX_COEFFICIENTS_MAP);
+export const MATRIX_COEFFICIENTS_MAP_INVERSE = /* #__PURE__ */ invertObject(MATRIX_COEFFICIENTS_MAP);
 
 export type RequiredNonNull<T> = {
 	[K in keyof T]-?: NonNullable<T[K]>;
@@ -510,7 +510,7 @@ export const isIso639Dash2LanguageCode = (x: string) => {
 };
 
 // Since the result will be truncated, add a bit of eps to compensate for floating point errors
-export const SECOND_TO_MICROSECOND_FACTOR = 1e6 * (1 + Number.EPSILON);
+export const SECOND_TO_MICROSECOND_FACTOR = /* #__PURE__ */ 1e6 * (1 + Number.EPSILON);
 
 /**
  * Sets all keys K of T to be required.
diff --git a/src/ogg/ogg-reader.ts b/src/ogg/ogg-reader.ts
index 011b126..13963cf 100644
--- a/src/ogg/ogg-reader.ts
+++ b/src/ogg/ogg-reader.ts
@@ -11,7 +11,7 @@ import { OGGS } from './ogg-misc';
 
 export const MIN_PAGE_HEADER_SIZE = 27;
 export const MAX_PAGE_HEADER_SIZE = 27 + 255;
-export const MAX_PAGE_SIZE = MAX_PAGE_HEADER_SIZE + 255 * 255;
+export const MAX_PAGE_SIZE = /* #__PURE__ */ MAX_PAGE_HEADER_SIZE + 255 * 255;
 
 export type Page = {
 	headerStartPos: number;
diff --git a/src/packet.ts b/src/packet.ts
index f5de60e..4f9b749 100644
--- a/src/packet.ts
+++ b/src/packet.ts
@@ -8,7 +8,7 @@
 
 import { SECOND_TO_MICROSECOND_FACTOR } from './misc';
 
-export const PLACEHOLDER_DATA = new Uint8Array(0);
+export const PLACEHOLDER_DATA = /* #__PURE__ */ new Uint8Array(0);
 
 /**
  * The type of a packet. Key packets can be decoded without previous packets, while delta packets depend on previous
diff --git a/src/source.ts b/src/source.ts
index 68ebac1..212ee6b 100644
--- a/src/source.ts
+++ b/src/source.ts
@@ -269,7 +269,7 @@ export class BlobSource extends Source {
 	}
 }
 
-const URL_SOURCE_MIN_LOAD_AMOUNT = 0.5 * 2 ** 20; // 0.5 MiB
+const URL_SOURCE_MIN_LOAD_AMOUNT = /* #__PURE__ */ 0.5 * 2 ** 20; // 0.5 MiB
 const DEFAULT_RETRY_DELAY
 	= ((previousAttempts, error, src) => {
 		// Check if this could be a CORS error. If so, we cannot recover from it and
diff --git a/src/writer.ts b/src/writer.ts
index 30de003..3846dcd 100644
--- a/src/writer.ts
+++ b/src/writer.ts
@@ -89,8 +89,8 @@ export abstract class Writer {
 	}
 }
 
-const ARRAY_BUFFER_INITIAL_SIZE = 2 ** 16;
-const ARRAY_BUFFER_MAX_SIZE = 2 ** 32;
+const ARRAY_BUFFER_INITIAL_SIZE = /* #__PURE__ */ 2 ** 16;
+const ARRAY_BUFFER_MAX_SIZE = /* #__PURE__ */ 2 ** 32;
 
 export class BufferTargetWriter extends Writer {
 	private pos = 0;
@@ -184,7 +184,7 @@ export class BufferTargetWriter extends Writer {
 	}
 }
 
-const DEFAULT_CHUNK_SIZE = 2 ** 24;
+const DEFAULT_CHUNK_SIZE = /* #__PURE__ */ 2 ** 24;
 const MAX_CHUNKS_AT_ONCE = 2;
 
 interface Chunk {