1 | /**
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2 | * Copyright 2018 The AMP HTML Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS-IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | */
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16 | import { ChunkTransform } from './transform';
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17 | import { OutputOptions } from 'rollup';
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18 | import { CompileOptions } from 'google-closure-compiler';
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19 | import { PluginOptions } from './types';
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20 | export declare const ERROR_WARNINGS_ENABLED_LANGUAGE_OUT_UNSPECIFIED = "Providing the warning_level=VERBOSE compile option also requires a valid language_out compile option.";
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21 | export declare const ERROR_WARNINGS_ENABLED_LANGUAGE_OUT_INVALID = "Providing the warning_level=VERBOSE and language_out=NO_TRANSPILE compile options will remove warnings.";
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22 | /**
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23 | * Checks if output format is ESM
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24 | * @param outputOptions
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25 | * @return boolean
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26 | */
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27 | export declare const isESMFormat: ({ format }: OutputOptions) => boolean;
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28 | /**
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29 | * Pluck the PluginOptions from the CompileOptions
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30 | * @param compileOptions
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31 | */
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32 | export declare function pluckPluginOptions(compileOptions: CompileOptions): PluginOptions;
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33 | /**
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34 | * Generate default Closure Compiler CompileOptions an author can override if they wish.
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35 | * These must be derived from configuration or input sources.
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36 | * @param transformers
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37 | * @param options
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38 | * @return derived CompileOptions for Closure Compiler
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39 | */
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40 | export declare const defaults: (options: OutputOptions, providedExterns: Array<string>, transformers: Array<ChunkTransform> | null) => Promise<CompileOptions>;
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41 | /**
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42 | * Compile Options is the final configuration to pass into Closure Compiler.
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43 | * defaultCompileOptions are overrideable by ones passed in directly to the plugin
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44 | * but the js source and sourcemap are not overrideable, since this would break the output if passed.
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45 | * @param compileOptions
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46 | * @param outputOptions
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47 | * @param code
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48 | * @param transforms
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49 | */
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50 | export default function (incomingCompileOptions: CompileOptions, outputOptions: OutputOptions, code: string, transforms: Array<ChunkTransform> | null): Promise<[CompileOptions, string]>;
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