forked from external-repos/squoosh
52 lines
1.6 KiB
TypeScript
52 lines
1.6 KiB
TypeScript
/**
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* Copyright 2020 Google Inc. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { EncoderState, ProcessorState } from '../feature-meta';
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// Maps our encoder.type values to CLI parameter names
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const typeMap = new Map<string, string>([
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['avif', '--avif'],
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['jxl', '--jxl'],
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['mozJPEG', '--mozjpeg'],
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['oxiPNG', '--oxipng'],
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['webP', '--webp'],
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['wp2', '--wp2'],
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]);
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// Same as JSON.stringify, but with single quotes around the entire value
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// so that shells don’t do weird stuff.
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function cliJson<T>(v: T): string {
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return "'" + JSON.stringify(v) + "'";
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}
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export function generateCliInvocation(
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encoder: EncoderState,
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processor: ProcessorState,
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): string {
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if (!typeMap.has(encoder.type)) {
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throw Error(`Encoder ${encoder.type} is unsupported in the CLI`);
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}
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return [
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'npx',
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'@squoosh/cli',
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...(processor.resize.enabled
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? ['--resize', cliJson(processor.resize)]
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: []),
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...(processor.quantize.enabled
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? ['--quant', cliJson(processor.quantize)]
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: []),
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typeMap.get(encoder.type)!,
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cliJson(encoder.options),
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].join(' ');
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}
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