| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | /**
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| 9 | * A request to optimize JavaScript using the supplied options.
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| 10 | */
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| 11 | interface OptimizeRequest {
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| 12 | /**
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| 13 | * The options to use when optimizing.
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| 14 | */
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| 15 | options: {
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| 16 | /**
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| 17 | * Controls advanced optimizations.
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| 18 | * Currently these are only terser related:
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| 19 | * * terser compress passes are set to 2
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| 20 | * * terser pure_getters option is enabled
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| 21 | */
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| 22 | advanced: boolean;
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| 23 | /**
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| 24 | * Specifies the string tokens that should be replaced with a defined value.
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| 25 | */
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| 26 | define?: Record<string, string>;
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| 27 | /**
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| 28 | * Controls whether class, function, and variable names should be left intact
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| 29 | * throughout the output code.
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| 30 | */
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| 31 | keepNames: boolean;
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| 32 | /**
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| 33 | * Controls whether license text is removed from the output code.
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| 34 | * Within the CLI, this option is linked to the license extraction functionality.
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| 35 | */
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| 36 | removeLicenses: boolean;
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| 37 | /**
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| 38 | * Controls whether source maps should be generated.
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| 39 | */
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| 40 | sourcemap: boolean;
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| 41 | /**
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| 42 | * Specifies the target ECMAScript version for the output code.
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| 43 | */
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| 44 | target: 5 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020;
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| 45 | /**
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| 46 | * Controls whether esbuild should only use the WASM-variant instead of trying to
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| 47 | * use the native variant. Some platforms may not support the native-variant and
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| 48 | * this option allows one support test to be conducted prior to all the workers starting.
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| 49 | */
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| 50 | alwaysUseWasm: boolean;
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| 51 | };
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| 52 | /**
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| 53 | * The JavaScript asset to optimize.
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| 54 | */
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| 55 | asset: {
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| 56 | /**
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| 57 | * The name of the JavaScript asset (typically the filename).
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| 58 | */
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| 59 | name: string;
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| 60 | /**
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| 61 | * The source content of the JavaScript asset.
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| 62 | */
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| 63 | code: string;
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| 64 | /**
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| 65 | * The source map of the JavaScript asset, if available.
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| 66 | * This map is merged with all intermediate source maps during optimization.
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| 67 | */
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| 68 | map: object;
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| 69 | };
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| 70 | }
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| 71 | /**
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| 72 | * Handles optimization requests sent from the main thread via the `JavaScriptOptimizerPlugin`.
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| 73 | */
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| 74 | export default function ({ asset, options }: OptimizeRequest): Promise<{
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| 75 | name: string;
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| 76 | code: string;
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| 77 | map: import("@ampproject/remapping/dist/types/source-map").default | undefined;
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| 78 | }>;
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| 79 | export {};
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