| [6a3a178] | 1 | # resolve-url-loader
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| 2 |
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| 3 | ## Version 4
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| 4 |
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| 5 | **Features**
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| 6 |
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| 7 | * Better resolution of the original source location - You can more successfully use `url()` in variables and mixins.
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| 8 | * Dependencies now accept a wider range and explicit dependency on `rework` and `rework-visit` has been removed.
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| 9 |
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| 10 | **Breaking Changes**
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| 11 |
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| 12 | * The `engine` option is deprecated which means the old `rework` engine is deprecated.
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| 13 | * The `keepQuery` behaviour is now the default, the `keepQuery` option has been removed.
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| 14 | * The `removeCR` option defaults to `true` when executing on Windows OS.
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| 15 | * The `absolute` option has been removed.
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| 16 | * The `join` option has changed.
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| 17 |
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| 18 | **Migrating**
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| 19 |
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| 20 | Remove the `engine` option if you are using it - the default "postcss" engine is much more reliable. The "rework" engine will still work for now but will be removed in the next major version.
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| 21 |
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| 22 | Remove the `keepQuery` option if you are using it.
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| 23 |
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| 24 | Remove the `absolute` option, webpack should work fine without it. If you have a specific need to rebase `url()` then you should use a separate loader.
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| 25 |
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| 26 | If you use a custom `join` function then you will need to refactor it to the new API. Refer to the advanced usage documentation.
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| 27 |
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| 28 | If you wish to still use `engine: "rework"` then note that `rework` and `rework-visit` packages are now `peerDependencies` that must be explicitly installed by you.
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| 29 |
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| 30 | ## Version 3
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| 31 |
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| 32 | **Features**
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| 33 |
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| 34 | * Use `postcss` parser by default. This is long overdue as the old `rework` parser doesn't cope with modern css.
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| 35 |
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| 36 | * Lots of automated tests running actual webpack builds. If you have an interesting use-case let me know.
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| 37 |
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| 38 | **Breaking Changes**
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| 39 |
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| 40 | * Multiple options changed or deprecated.
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| 41 | * Removed file search "magic" in favour of `join` option.
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| 42 | * Errors always fail and are no longer swallowed.
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| 43 | * Processing absolute asset paths requires `root` option to be set.
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| 44 |
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| 45 | **Migrating**
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| 46 |
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| 47 | Initially set option `engine: 'rework'` for parity with your existing build. Once working you can remove this option **or** set `engine: 'postcss'` explicitly.
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| 48 |
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| 49 | Retain `keepQuery` option if you are already using it.
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| 50 |
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| 51 | The `root` option now has a different meaning. Previously it limited file search. Now it is the base path for absolute or root-relative URIs, consistent with `css-loader`. If you are already using it you can probably remove it.
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| 52 |
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| 53 | If you build on Windows platform **and** your content contains absolute asset paths, then `css-loader` could fail. The `root` option here may fix the URIs before they get to `css-loader`. Try to leave it unspecified, otherwise (windows only) set to empty string `root: ''`.
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