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Add
merge2 command which uses mutool
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,204 @@ | ||
| import path from 'node:path'; | ||
| import {Flags} from '@oclif/core'; | ||
| import fs from 'fs-extra'; | ||
| import {globby} from 'globby'; | ||
| import { | ||
| addExtension, | ||
| removeExtension, | ||
| // Removing the extension will make the built cli crash | ||
| } from '../../utils.js'; | ||
| import {BaseCommandWithCompression} from '../../base-command-with-compression.js'; | ||
|
|
||
| export default class Merge2 extends BaseCommandWithCompression { | ||
| static aliases = ['m2', 'join2', 'j2']; | ||
|
|
||
| static description = 'Merge PDFs (mutool)'; | ||
|
|
||
| static examples = [ | ||
| { | ||
| description: 'Merge all .pdf files', | ||
| command: '<%= config.bin %> <%= command.id %> -i *.pdf -o output.pdf', | ||
| }, | ||
| { | ||
| description: | ||
| 'Merge all .pdf files that start with input- & compress the output', | ||
| command: `<%= config.bin %> <%= command.id %> -i input-*.pdf -o output.pdf -c`, | ||
| }, | ||
| { | ||
| description: | ||
| 'Merge cover.pdf with all .pdf files that start with input-, and notes.pdf', | ||
| command: `<%= config.bin %> <%= command.id %> -i cover.pdf input-*.pdf notes.pdf -o output.pdf`, | ||
| }, | ||
| { | ||
| description: | ||
| 'Merge all .pdf files and optimize the output for web browsers', | ||
| command: `<%= config.bin %> <%= command.id %> -i input-*.pdf -o output -l`, | ||
| }, | ||
| ]; | ||
|
|
||
| static flags = { | ||
| input: Flags.string({ | ||
| char: 'i', | ||
| description: `PDF files followed by comma-seperated page numbers or ranges | ||
| (e.g. cover.pdf part-*.pdf file.pdf 2,11,4-6,10-8 otherfile.pdf)`, | ||
| required: true, | ||
| multiple: true, | ||
| }), | ||
| output: Flags.string({ | ||
| char: 'o', | ||
| description: 'Output file', | ||
| required: true, | ||
| }), | ||
| decompress: Flags.boolean({ | ||
| char: 'd', | ||
| description: 'Decompress all streams (except compress-fonts/images)', | ||
| exclusive: ['compress', 'compress-fonts', 'compress-images'], | ||
| }), | ||
| compress: Flags.boolean({ | ||
| char: 'c', | ||
| description: 'Compress all streams', | ||
| exclusive: ['decompress'], | ||
| }), | ||
| 'compress-fonts': Flags.boolean({ | ||
| aliases: ['cf'], | ||
| description: 'Compress embedded fonts (ALIASES: --cf)', | ||
| exclusive: ['decompress'], | ||
| }), | ||
| 'compress-images': Flags.boolean({ | ||
| aliases: ['ci'], | ||
| description: 'Compress images (ALIASES: --ci)', | ||
| exclusive: ['decompress'], | ||
| }), | ||
| linearize: Flags.boolean({ | ||
| char: 'l', | ||
| aliases: ['optimize'], | ||
| description: 'Optimize for web browsers (ALIASES: --optimize)', | ||
| }), | ||
| garbage: Flags.boolean({ | ||
| char: 'g', | ||
| description: 'Garbage collect unused objects', | ||
| }), | ||
| 'garbage-compact': Flags.boolean({ | ||
| aliases: ['compact', 'gc'], | ||
| description: | ||
| '... and compact cross reference table (ALIASES: --gc, --compact)', | ||
| }), | ||
| 'garbage-deduplicate': Flags.boolean({ | ||
| aliases: ['deduplicate', 'gd'], | ||
| description: | ||
| '... and remove duplicate objects (ALIASES: --gd, --deduplicate)', | ||
| }), | ||
| keep: Flags.boolean({ | ||
| char: 'k', | ||
| description: `Keep output's name`, | ||
| }), | ||
| }; | ||
|
|
||
| async run(): Promise<void> { | ||
| const {flags} = await this.parse(Merge2); | ||
| const { | ||
| input, | ||
| output, | ||
| 'dry-run': dryRun, | ||
| silent, | ||
| decompress, | ||
| compress, | ||
| 'compress-fonts': compressFonts, | ||
| 'compress-images': compressImages, | ||
| garbage, | ||
| 'garbage-compact': garbageCompact, | ||
| 'garbage-deduplicate': garbageDeduplicate, | ||
| linearize, | ||
| keep, | ||
| } = flags; | ||
| let finalOutput = removeExtension(output); | ||
|
|
||
| try { | ||
| const outputDirname = path.dirname(finalOutput); | ||
| await fs.ensureDir(outputDirname); | ||
| } catch (error) { | ||
| console.error(error); | ||
| this.exit(1); | ||
| } | ||
|
|
||
| const outputOptions = []; | ||
|
|
||
| if (linearize) { | ||
| outputOptions.push('linearize'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-linearized`; | ||
| } | ||
| } | ||
|
|
||
| if (compress) { | ||
| outputOptions.push('compress'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-compressed`; | ||
| } | ||
| } | ||
|
|
||
| if (compressFonts) { | ||
| outputOptions.push('compress-fonts'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-cf`; | ||
| } | ||
| } | ||
|
|
||
| if (compressImages) { | ||
| outputOptions.push('compress-images'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-ci`; | ||
| } | ||
| } | ||
|
|
||
| if (decompress) { | ||
| outputOptions.push('decompress'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-decompressed`; | ||
| } | ||
| } | ||
|
|
||
| if (garbage) { | ||
| outputOptions.push('garbage'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-garbaged`; | ||
| } | ||
| } | ||
|
|
||
| if (garbageCompact) { | ||
| outputOptions.push('garbage=compact'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-gc`; | ||
| } | ||
| } | ||
|
|
||
| if (garbageDeduplicate) { | ||
| outputOptions.push('garbage=deduplicate'); | ||
| if (!keep) { | ||
| finalOutput = `${finalOutput}-gd`; | ||
| } | ||
| } | ||
|
|
||
| finalOutput = addExtension(finalOutput); | ||
| const inputWithPages: string[] = []; | ||
| for (const fileOrPage of input) { | ||
| const files = await globby(fileOrPage); | ||
| if (files.length > 0) { | ||
| inputWithPages.push(...files); | ||
| } else { | ||
| inputWithPages.push(fileOrPage); | ||
| } | ||
| } | ||
|
|
||
| const args = ['merge', '-o', finalOutput]; | ||
| if (outputOptions.length > 0) { | ||
| args.push('-O', outputOptions.join(',')); | ||
| } | ||
|
|
||
| args.push(...inputWithPages); | ||
|
|
||
| this.logger(`Creating ${finalOutput}...`, silent); | ||
| await this.execute('mutool', args, dryRun); | ||
| this.logger('Done.', silent); | ||
| } | ||
| } |