@bader-nasser/pdftools
Version:
PDF tools to manipulate and process PDF files
72 lines (71 loc) • 2.59 kB
JavaScript
import { Args, Flags } from '@oclif/core';
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 Merge extends BaseCommandWithCompression {
static aliases = ['m', 'join', 'j'];
static description = 'Merge PDFs';
static examples = [
{
description: 'Merge all .pdf files',
command: '<%= config.bin %> <%= command.id %> *.pdf',
},
{
description: 'Merge all .pdf files',
command: '<%= config.bin %> <%= command.id %> *.pdf -o output.pdf',
},
{
description: 'Merge all .pdf files that start with input- & compress the output',
command: `<%= config.bin %> <%= command.id %> 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 %> cover.pdf input-*.pdf notes.pdf -o output.pdf`,
},
];
// Todo: revise
// For variable length arguments,
// disable argument validation
static strict = false;
static args = {
input: Args.string({
required: true,
// multiple: true,
description: `Input files (e.g. cover.pdf part-*.pdf)`,
}),
};
// https://oclif.io/docs/flags
static flags = {
output: Flags.string({
char: 'o',
description: 'Output file',
default: 'merged.pdf',
}),
keep: Flags.boolean({
char: 'k',
description: `Keep output's name`,
}),
};
async run() {
// Todo: revise
const { argv, flags } = await this.parse(Merge);
const input = argv;
const { output, compress, keep, 'dry-run': dryRun, silent } = flags;
let finalOutput = removeExtension(output);
await this.ensureDirExists(finalOutput);
if (compress && !keep) {
finalOutput = `${finalOutput}-compressed`;
}
finalOutput = addExtension(finalOutput);
const files = await globby(input);
const args = [...files, 'cat', 'output', finalOutput];
if (compress) {
args.push('compress');
}
this.logger(`Creating ${finalOutput}...`, silent);
await this.execute('pdftk', args, dryRun);
this.logger('Done.', silent);
}
}