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46 lines
1.3 KiB
46 lines
1.3 KiB
#!/usr/bin/env node
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import {program} from "commander";
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import {readFileSync} from "fs";
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import {dirname, resolve} from "path";
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import {fileURLToPath} from "url";
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import {geoQuantize} from "../src/index.js";
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import read from "./read.js";
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import write from "./write.js";
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const version = JSON.parse(readFileSync(resolve(dirname(fileURLToPath(import.meta.url)), "../package.json"))).version;
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const options = program
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.version(version)
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.usage("[options] [file]")
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.description("Quantize GeoJSON.")
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.option("-o, --out <file>", "output file name; defaults to “-” for stdout", "-")
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.option("-p, --precision <value>", "number of output digits after the decimal point")
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.option("-n, --newline-delimited", "use newline-delimited JSON")
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.parse(process.argv)
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.opts();
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if (program.args.length > 1) {
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console.error();
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console.error(" error: multiple input files");
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console.error();
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process.exit(1);
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} else if (program.args.length === 0) {
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program.args.push("-");
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}
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var reader = read(program.args[0], options.newlineDelimited, quantize).then(end),
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writer = write(options.out);
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reader.catch(error => {
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console.error(error.stack);
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});
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function quantize(d, i) {
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if (options.precision != null) d = geoQuantize(d, options.precision);
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return writer.write(JSON.stringify(d) + "\n");
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}
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function end() {
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return writer.end();
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}
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