René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"TextEncoder.encodeInto NOT work on BIG utf8 subarray ON 22.4.1","articleBody":"### Version\n\nWelcome to Node.js v22.4.1\n\n### Platform\n\n```text\nLinux dev 6.8.0-88-generic #89-Ubuntu SMP PREEMPT_DYNAMIC Sat Oct 11 01:02:46 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux\n```\n\n### Subsystem\n\n_No response_\n\n### What steps will reproduce the bug?\n\n`\nconst _TE = new TextEncoder();\nvar s = \"aÿ我𝑒\"\nvar u8a = new Uint8Array(2429682061);\nvar offset = 38928786 ;\n_TE.encodeInto(s,u8a.subarray(offset))           // { read: 0, written: 0 } failed\n_TE.encodeInto(s,u8a.subarray(offset,offset+10)) //{ read: 5, written: 10 } success\n\n\nWelcome to Node.js v22.4.1.\nType \".help\" for more information.\n\u003e const _TE = new TextEncoder();\nundefined\n\u003e var s = \"aÿ我𝑒\"\nundefined\n\u003e var u8a = new Uint8Array(2429682061);\nundefined\n\u003e var offset = 38928786 ;\nundefined\n\u003e _TE.encodeInto(s,u8a.subarray(offset))           // { read: 0, written: 0 } failed\n{ read: 0, written: 0 }\n\u003e _TE.encodeInto(s,u8a.subarray(offset,offset+10)) //{ read: 5, written: 10 } success\n{ read: 5, written: 10 }\n\u003e \n\u003e \n\t\t\t\nWelcome to Node.js v24.14.0.\nType \".help\" for more information.\n\u003e const _TE = new TextEncoder();\nundefined\n\u003e var s = \"aÿ我𝑒\"\nundefined\n\u003e var u8a = new Uint8Array(2429682061);\nundefined\n\u003e var offset = 38928786 ;\nundefined\n\u003e _TE.encodeInto(s,u8a.subarray(offset))           // { read: 0, written: 0 } success\n{ read: 5, written: 10 }\n\u003e _TE.encodeInto(s,u8a.subarray(offset,offset+10)) //{ read: 5, written: 10 } success\n{ read: 5, written: 10 }\n\u003e \n\u003e \t\t\t\n\n`\n\n### How often does it reproduce? Is there a required condition?\n\nalaways in 22.4.1\n\n### What is the expected behavior? Why is that the expected behavior?\n\nsame as 24.14.0\n\n### What do you see instead?\n\nconst _TE = new TextEncoder();\nvar s = \"aÿ我𝑒\"\nvar u8a = new Uint8Array(2429682061);\nvar offset = 38928786 ;\n_TE.encodeInto(s,u8a.subarray(offset))           // 【{ read: 0, written: 0 } failed】\n_TE.encodeInto(s,u8a.subarray(offset,offset+10)) //{ read: 5, written: 10 } success\n\n\n### Additional information\n\n_No response_","author":{"url":"https://github.com/navegador5","@type":"Person","name":"navegador5"},"datePublished":"2026-04-06T03:51:58.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/62610/node/issues/62610"}