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Changelog History
Page 9

  • v4.0.1 Changes

    • Collisions between the arguments of inlined functions and names in the outer scope are now being avoided while inlining
    • Unmapped segments are now preserved when compressing a file which has source maps
    • Default values of functions are now correctly converted from Mozilla AST to Terser AST
    • JSON ⊂ ECMAScript spec (if you don't know what this is you don't need to)
    • Export AST_* classes to library users
    • Fixed issue with collapse_vars when functions are created with the same name as a variable which already exists
    • Added MutationObserverInit (Object with options for initialising a mutation observer) properties to the DOM property list
    • Custom Error subclasses are now internally used instead of old-school Error inheritance hacks.
    • Documentation fixes
    • Performance optimizations

  • v4.0.0 Changes

    • breaking change: The variables property of all scopes has become a standard JavaScript Map as opposed to the old bespoke Dictionary object.
    • Typescript definitions were fixed
    • terser --help was fixed
    • The public interface was cleaned up
    • Fixed optimisation of Array and new Array
    • Added the keep_quoted=strict mode to mangle_props, which behaves more like Google Closure Compiler by mangling all unquoted property names, instead of reserving quoted property names automatically.
    • Fixed parent functions' parameters being shadowed in some cases
    • Allowed Terser to run in a situation where there are custom functions attached to Object.prototype
    • And more bug fixes, optimisations and internal changes

  • v3.17.0 Changes

    • More DOM properties added to --mangle-properties's DOM property list
    • Closed issue where if 2 functions had the same argument name, Terser would not inline them together properly
    • Fixed issue with hasOwnProperty.call
    • You can now list files to minify in a Terser config file
    • Started replacing new Array(<number>) with an array literal
    • Started using ES6 capabilities like Set and the includes method for strings and arrays

  • v3.16.1 Changes

    • Fixed issue where Terser being imported with import would cause it not to work due to the __esModule property. (PR #254 was submitted, which was nice, but since it wasn't a pure commonJS approach I decided to go with my own solution)

  • v3.16.0 Changes

    • No longer leaves names like Array or Object or window as a SimpleStatement (statement which is just a single expression).
    • Add support for sections sourcemaps (IndexedSourceMapConsumer)
    • Drops node.js v4 and starts using commonJS
    • Is now built with rollup

  • v3.15.0 Changes

    • Inlined spread syntax ([...[1, 2, 3], 4, 5] => [1, 2, 3, 4, 5]) in arrays and objects.
    • Fixed typo in compressor warning
    • Fixed inline source map input bug
    • Fixed parsing of template literals with unnecessary escapes (Like \\a)