terser/terser issues and pull requests

#1379 - `terser @ 5.16.9 -> 5.17.0` breaks `core-js`

Issue - State: closed - Opened by zloirock over 1 year ago - 2 comments

#1376 - Terser replacing `;` to `,`

Issue - State: closed - Opened by renhiyama over 1 year ago - 3 comments

#1375 - @KEY: Correctly copy annotations when cloning AST_string

Pull Request - State: closed - Opened by jpdutoit over 1 year ago - 1 comment

#1374 - Fix for #1371/#1372

Pull Request - State: closed - Opened by iccir over 1 year ago - 1 comment

#1373 - Issue 1372

Pull Request - State: closed - Opened by iccir over 1 year ago - 1 comment

#1372 - side_effects=true changes this binding with optional chain

Issue - State: closed - Opened by iccir over 1 year ago - 1 comment

#1371 - Parenthesis removal around optional chain results in SyntaxError

Issue - State: closed - Opened by iccir over 1 year ago - 2 comments

#1370 - Update dependency @jridgewell/source-map to v0.3.3

Pull Request - State: closed - Opened by renovate[bot] over 1 year ago

#1369 - some optimizations stopped working between 5.16.2 and 5.16.3

Issue - State: open - Opened by alexander-akait over 1 year ago - 5 comments

#1368 - Add information about map scopes

Pull Request - State: closed - Opened by olfek over 1 year ago - 4 comments

#1367 - Terser breaks ability to debug

Issue - State: closed - Opened by olfek over 1 year ago - 11 comments

#1366 - `undefined` as default parameter is preserved since 5.16.6

Issue - State: closed - Opened by ericfortis over 1 year ago - 2 comments
Labels: suboptimal-output

#1365 - Add @KEY annotation to mangle string literals

Pull Request - State: closed - Opened by jpdutoit over 1 year ago - 6 comments

#1364 - PURE getter wrapper makes output different

Issue - State: open - Opened by jinliming2 over 1 year ago

#1363 - Does not replace constant when in brackets

Issue - State: open - Opened by axkibe over 1 year ago - 5 comments
Labels: suboptimal-output

#1362 - Static class properties not referenced properly in obfuscated code

Issue - State: open - Opened by tzvetelin-vassilev over 1 year ago - 6 comments
Labels: suboptimal-output

#1361 - `lhs_constants` option for #1359

Pull Request - State: closed - Opened by iccir over 1 year ago - 1 comment

#1360 - close #1338 where possible

Pull Request - State: closed - Opened by fabiosantoscode over 1 year ago

#1359 - Add option to prevent reversing AST_Binary nodes

Issue - State: closed - Opened by iccir over 1 year ago - 4 comments

#1358 - import.meta.url usage

Issue - State: closed - Opened by tzvetelin-vassilev over 1 year ago

#1357 - Fix version number in CHANGELOG.md

Pull Request - State: closed - Opened by valscion over 1 year ago - 1 comment

#1356 - Update dependency acorn to v8.8.2

Pull Request - State: closed - Opened by renovate[bot] over 1 year ago

#1355 - Update dependency source-map-support to v0.5.21

Pull Request - State: closed - Opened by renovate[bot] over 1 year ago

#1354 - Cannot parse object with number as key

Issue - State: closed - Opened by tranvansang over 1 year ago - 4 comments

#1353 - When are functions actually inlined?

Issue - State: closed - Opened by armandn over 1 year ago - 1 comment

#1352 - Boolean not compressed when inlined multiple times

Issue - State: closed - Opened by nicolo-ribaudo over 1 year ago - 2 comments

#1351 - variable declaration is removed unexpectedly

Issue - State: closed - Opened by miserylee over 1 year ago - 4 comments
Labels: bug

#1350 - Compression opportunity: shorten names of private class methods?

Issue - State: closed - Opened by hooperbloob over 1 year ago - 1 comment

#1349 - `pure_getters: true` minifies `import.meta` to `import`

Issue - State: closed - Opened by sapphi-red over 1 year ago - 4 comments
Labels: bug

#1348 - Arrow function expressions are unnecessarily parenthesized in parameters

Issue - State: open - Opened by dead-claudia over 1 year ago - 3 comments

#1347 - Coalesce variable declaration types where helpful, reduce `const` to `let`/`var` where possible

Issue - State: open - Opened by dead-claudia over 1 year ago

#1346 - Group exports where identifiers are sufficiently short

Issue - State: open - Opened by dead-claudia over 1 year ago

#1345 - Coalesce adjacent exported `const` and `let` declarations

Issue - State: closed - Opened by dead-claudia over 1 year ago - 1 comment

#1344 - Missed compression opportunity: inverted integers aren't normalized with negated integers, and negated multiples of 10 are shorter as bitwise-inverted integers

Issue - State: open - Opened by dead-claudia over 1 year ago - 1 comment

#1343 - Bitwise operations are seemingly not minimized or optimized at all

Issue - State: closed - Opened by dead-claudia over 1 year ago - 4 comments

#1342 - Don't mutate options object. Fixes #1341

Pull Request - State: closed - Opened by robhogan over 1 year ago - 3 comments

#1341 - Mutating `options.format` is unsafe when config is re-used

Issue - State: closed - Opened by robhogan over 1 year ago

#1340 - dead code not removed behind local `false` constant vs global_defs

Issue - State: closed - Opened by taozhou-glean almost 2 years ago - 2 comments

#1339 - update commander

Pull Request - State: open - Opened by 243083df almost 2 years ago - 1 comment

#1338 - Terser 5.16.3 has larger output

Issue - State: closed - Opened by AndrJ almost 2 years ago - 13 comments
Labels: suboptimal-output

#1332 - Update dependency commander to v10 - autoclosed

Pull Request - State: closed - Opened by renovate[bot] almost 2 years ago

#1320 - React Server Components "use client" directive

Issue - State: open - Opened by jaslong almost 2 years ago - 1 comment

#1317 - Increased output size between 5.16.0 and 5.16.1

Issue - State: open - Opened by julien-deramond almost 2 years ago - 9 comments
Labels: suboptimal-output

#1315 - [Bug] Compressing switch statement results in loose equality instead of strict equality

Issue - State: closed - Opened by f52985 almost 2 years ago - 2 comments
Labels: bug, compress

#1302 - [Bug]: Object with `Symbol.toPrimitive` may have side effect but gets removed

Issue - State: open - Opened by p51lee about 2 years ago - 1 comment
Labels: bug

#1298 - [Bug]: IIFE that returns optional call results in syntax error

Issue - State: closed - Opened by p51lee about 2 years ago - 1 comment
Labels: bug

#1293 - [Bug]: Terser fails when an empty destructuring at for head is present

Issue - State: closed - Opened by p51lee about 2 years ago
Labels: bug

#1292 - [Bug]: Terser fails when a class expression is present in if condition

Issue - State: closed - Opened by p51lee about 2 years ago
Labels: bug

#1281 - [Bug]: Terser compresses left-hand side in for-loop as a literal value

Issue - State: closed - Opened by p51lee about 2 years ago - 1 comment
Labels: bug

#1266 - Feature request: annotations to control retain / reserve of variables

Issue - State: open - Opened by DanTheMan827 about 2 years ago - 1 comment

#1259 - Broken Image on the official Website

Issue - State: closed - Opened by ToasterUwU about 2 years ago - 1 comment

#1234 - Invalid for of/in target generated if it's a member expression with object literal

Issue - State: closed - Opened by Austaras over 2 years ago - 7 comments
Labels: bug

#1233 - Short property names are not being mangled

Issue - State: open - Opened by Codezilluh over 2 years ago - 5 comments
Labels: enhancement

#1230 - fix (domprops): add AudioWorkletNode params to the domprops list

Pull Request - State: closed - Opened by 0b5vr over 2 years ago - 1 comment

#1219 - Implementation of mathematical function range for further branch reduction

Issue - State: open - Opened by furrybrackets over 2 years ago - 7 comments

#1200 - Feature Request: Object property name map

Issue - State: open - Opened by smartrejames over 2 years ago - 5 comments
Labels: enhancement

#1186 - Refactor: use unicode property escapes to match characters in the parser

Issue - State: closed - Opened by fabiosantoscode over 2 years ago - 1 comment
Labels: good first issue

#1177 - Remove unused transpiled Typescript enum

Issue - State: open - Opened by mischnic over 2 years ago - 6 comments
Labels: enhancement

#1170 - WebComponents connectedCallback gets mangled/minified

Issue - State: closed - Opened by xatian over 2 years ago - 3 comments
Labels: good first issue

#1148 - WIP: fix: don't drop side effects of default param assignments

Pull Request - State: open - Opened by WofWca over 2 years ago

#1146 - Feature request: More flexible properties mangling options

Issue - State: closed - Opened by armandn over 2 years ago - 19 comments

#1142 - make `is_constant()` recognize constants with several unary prefixes

Pull Request - State: open - Opened by WofWca almost 3 years ago - 4 comments

#1141 - object spread: also drop non-nullish constants (e.g. `{ ...true }`)

Pull Request - State: closed - Opened by WofWca almost 3 years ago - 5 comments

#1133 - Feature: Add example of how to disable an option via CLI

Issue - State: closed - Opened by mangelozzi almost 3 years ago - 1 comment

#1130 - Extending the pure annotation for functions

Issue - State: open - Opened by skyrpex almost 3 years ago - 6 comments

#1124 - support "#private in" syntax

Issue - State: closed - Opened by LongTengDao almost 3 years ago - 2 comments
Labels: modern syntax

#1121 - Loosen requirements discovering identity functions

Pull Request - State: open - Opened by samouri almost 3 years ago - 1 comment

#1120 - Moot parens added around arrow function

Issue - State: open - Opened by fisker almost 3 years ago - 4 comments

#1115 - Support retaining default function parameters when a Function's .length is important

Issue - State: closed - Opened by 12wrigja almost 3 years ago - 3 comments
Labels: bug, good first issue, compress

#1104 - support for inlining functions with destructure arguments

Issue - State: closed - Opened by somebody1234 about 3 years ago - 1 comment

#1091 - Minifying javascript uses _ character for mangling vars

Issue - State: closed - Opened by BFP-RMP about 3 years ago - 3 comments

#1080 - rfc: should terser strip unused parameters during dead code elimination

Issue - State: closed - Opened by cdaringe about 3 years ago - 9 comments
Labels: discussion

#1059 - Dependency Dashboard

Issue - State: open - Opened by renovate[bot] about 3 years ago

#1053 - Resolves: Add native GitHub continuous code security and quality analysis

Pull Request - State: open - Opened by aleks-ivanov about 3 years ago - 3 comments

#1051 - Resolves: Add GitHub Codespaces configuration

Pull Request - State: open - Opened by aleks-ivanov about 3 years ago

#1049 - Resolves: Add native GitHub security and versioning dependency alerts

Pull Request - State: open - Opened by aleks-ivanov about 3 years ago

#1043 - Function declaration in a block conflicts with global const declaration

Issue - State: closed - Opened by lal12 over 3 years ago - 3 comments
Labels: bug

#1005 - Shorthand properties with unicode character bug with `safari10`

Issue - State: closed - Opened by Knutas over 3 years ago - 5 comments
Labels: bug

#1001 - Mangle properties prefix feature proposal

Issue - State: closed - Opened by bo4arovpavel1989 over 3 years ago - 6 comments

#988 - unsafe compress option produces invalid output when using ternary if - case not really hinted by readme

Issue - State: closed - Opened by danieltroger over 3 years ago - 1 comment
Labels: bug

#985 - Compress more nullish checks into nullish coalescing

Pull Request - State: open - Opened by jridgewell over 3 years ago - 3 comments

#983 - Invalid minification for yield expression with comments before argument

Issue - State: closed - Opened by weareoutman over 3 years ago - 1 comment
Labels: bug

#962 - Terser returns error if folders, specified in --output parameter are not present in file system

Issue - State: closed - Opened by alexejibishvili over 3 years ago - 5 comments
Labels: enhancement

#949 - proposal

Issue - State: closed - Opened by 13032519955 over 3 years ago - 1 comment

#931 - [config file] sourceMap.content : breaks with a filename (and throws in error handling)

Issue - State: open - Opened by aavmurphy almost 4 years ago - 3 comments

#922 - Incorrect code generated with `INLINE` annotation

Issue - State: closed - Opened by utkarshkukreti almost 4 years ago - 3 comments
Labels: bug

#919 - Minify multiple files with sourcemap inline

Issue - State: open - Opened by PascalSalesch almost 4 years ago - 8 comments
Labels: enhancement

#908 - inlining of the function definitions that have conflicting arguments

Pull Request - State: open - Opened by aminya almost 4 years ago - 2 comments

#903 - Top level await SyntaxError

Issue - State: closed - Opened by wzh19960613 almost 4 years ago - 8 comments

#892 - More than one bracket with `new` giving wrong output

Issue - State: closed - Opened by atfzl almost 4 years ago - 1 comment

#889 - To inline property functions which are used once, and remove unused?

Issue - State: open - Opened by brandon942 almost 4 years ago - 1 comment

#888 - Variable used in func.call() as parameter is removed

Issue - State: closed - Opened by mischnic almost 4 years ago - 1 comment

#868 - Left-hand side of assignment can be evaluated

Issue - State: closed - Opened by fabiosantoscode about 4 years ago
Labels: bug

#850 - logical OR assignment & optional chaining support

Issue - State: closed - Opened by onuryarar about 4 years ago - 3 comments

#848 - Update License to match SPDX standard

Pull Request - State: open - Opened by PabloJomer about 4 years ago - 2 comments

#837 - Bug: Compress inlines a function call with the wrong value for a variable coming from its context

Issue - State: closed - Opened by mutedchaos about 4 years ago - 3 comments
Labels: bug

#833 - Dropping function without warning if declared after 'continue'

Issue - State: closed - Opened by denyaalt about 4 years ago - 3 comments
Labels: bug

#832 - Issue 829 - configuration regex options are not being parsed as RegExp instances

Pull Request - State: open - Opened by bbabic about 4 years ago - 1 comment

#827 - Merge variable declaration and assignment when possible

Issue - State: open - Opened by Knagis about 4 years ago - 2 comments
Labels: enhancement, suboptimal-output

#801 - synchronous terser.minify - execSync workaround

Issue - State: closed - Opened by milahu about 4 years ago - 13 comments
Labels: good first issue

GitHub / terser/terser issues and pull requests