Added repeatable

Author: 75lb

dist/index.cjs

@@ -178,7 +178,23 @@ class CommandLineArgs {
       let extraction;
       if (def.extractor === 'fromTo') {
         const to = def.toPreset ? toPresets[def.toPreset] : def.to;
-        extraction = fromTo(this.argv, { from: def.from, to, remove: true });
+        if (def.repeatable) {
+          extraction = [];
+          let keepGoing = true;
+          while (keepGoing) {
+            const argLength = this.argv.length;
+            const extractionStep = fromTo(this.argv, { from: def.from, to, remove: true });
+            if (extractionStep.length) {
+              extraction.push(extractionStep);
+            }
+            keepGoing = argLength !== this.argv.length;
+          }
+          console.log(extraction);
+          // extraction = extraction.flat()
+          // extraction = [extraction[0], ...extraction.slice(1).filter(e => e !== extraction[0])]
+        } else {
+          extraction = fromTo(this.argv, { from: def.from, to, remove: true });
+        }
       } else if (def.extractor === 'single') {
         extraction = single(this.argv, def.single, { remove: true });
       } else {

index.js

@@ -31,7 +31,23 @@ class CommandLineArgs {
       let extraction
       if (def.extractor === 'fromTo') {
         const to = def.toPreset ? toPresets[def.toPreset] : def.to
-        extraction = fromTo(this.argv, { from: def.from, to, remove: true })
+        if (def.repeatable) {
+          extraction = []
+          let keepGoing = true
+          while (keepGoing) {
+            const argLength = this.argv.length
+            const extractionStep = fromTo(this.argv, { from: def.from, to, remove: true })
+            if (extractionStep.length) {
+              extraction.push(extractionStep)
+            }
+            keepGoing = argLength !== this.argv.length
+          }
+          // console.log(extraction)
+          // extraction = extraction.flat()
+          // extraction = [extraction[0], ...extraction.slice(1).filter(e => e !== extraction[0])]
+        } else {
+          extraction = fromTo(this.argv, { from: def.from, to, remove: true })
+        }
       } else if (def.extractor === 'single') {
         extraction = single(this.argv, def.single, { remove: true })
       } else {

lib/option-definition.js

@@ -11,7 +11,7 @@
   property name on the result
 ¬
   extractor
-  from-to, single or positional.
+  Choose from `from-to`, `single` or `positional`.
 ¬
   from
   used by extractor 'from-to'

test/test.js

@@ -1,5 +1,9 @@
 import { strict as a } from 'assert'
 import CommandLineArgs from 'command-line-args'
+import util from 'node:util'
+util.inspect.defaultOptions.depth = 6
+util.inspect.defaultOptions.breakLength = process?.stdout?.columns || 80
+util.inspect.defaultOptions.maxArrayLength = Infinity
 
 const [test, only, skip] = [new Map(), new Map(), new Map()]
 
@@ -412,4 +416,22 @@ test.set('Multiple parses to consume all args', async function () {
   a.deepEqual(result2, { extraction: [ 'server', '--verbose'] })
 })
 
+test.set('Repeating options', async function () {
+  const argv = ['--var', 'one', 'something', '--var', 'two', 'another']
+  const cla = new CommandLineArgs(argv)
+  const result = await cla.parse([
+    {
+      name: 'var',
+      extractor: 'fromTo',
+      from: '--var',
+      toPreset: 'multipleOptionValue',
+      repeatable: true,
+      output: e => Object.fromEntries(e.map(args => args.slice(1)))
+    }
+  ])
+
+  // this.data = { result }
+  a.deepEqual(result, { var: { one: 'something', two: 'another' } })
+})
+
 export { test, only, skip }