Throw if the given source file does not exist

index.d.ts

@@ -81,7 +81,7 @@ declare namespace cpy {
 /**
 Copy files.
 
-@param source - Files to copy.
+@param source - Files to copy. If any of the files do not exist, an error will be thrown (does not apply to globs).
 @param destination - Destination directory.
 @param options - In addition to the options defined here, options are passed to [globby](https://github.com/sindresorhus/globby#options).
 

index.js

@@ -5,6 +5,7 @@ const os = require('os');
 const pAll = require('p-all');
 const arrify = require('arrify');
 const globby = require('globby');
+const hasGlob = require('has-glob');
 const cpFile = require('cp-file');
 const junk = require('junk');
 const CpyError = require('./cpy-error');
@@ -65,13 +66,8 @@ module.exports = (source, destination, {
 			throw new CpyError(`Cannot glob \`${source}\`: ${error.message}`, error);
 		}
 
-		if (files.length === 0) {
-			progressEmitter.emit('progress', {
-				totalFiles: 0,
-				percent: 1,
-				completedFiles: 0,
-				completedSize: 0
-			});
+		if (files.length === 0 && !hasGlob(source)) {
+			throw new CpyError(`Cannot copy \`${source}\`: the file doesn't exist`);
 		}
 
 		const fileProgressHandler = event => {

package.json

@@ -45,6 +45,7 @@
 		"arrify": "^2.0.1",
 		"cp-file": "^7.0.0",
 		"globby": "^9.2.0",
+		"has-glob": "^1.0.0",
 		"nested-error-stacks": "^2.1.0",
 		"p-all": "^2.1.0",
 		"junk": "^3.1.0"

readme.md

@@ -43,6 +43,8 @@ Type: `string | string[]`
 
 Files to copy.
 
+If any of the files do not exist, an error will be thrown (does not apply to globs).
+
 #### destination
 
 Type: `string`

test.js

@@ -140,21 +140,32 @@ test('glob errors are CpyErrors', async t => {
 	t.true(error instanceof CpyError);
 });
 
-test('reports copy progress of no files', async t => {
+test('throws on non-existing file', async t => {
 	fs.mkdirSync(t.context.tmp);
-	fs.mkdirSync(path.join(t.context.tmp, 'cwd'));
 
-	let report;
-	await cpy('*', t.context.tmp, {cwd: path.join(t.context.tmp, 'cwd')})
-		.on('progress', event => {
-			report = event;
-		});
+	await t.throwsAsync(cpy(['no-file'], t.context.tmp), {
+		instanceOf: CpyError
+	});
+});
 
-	t.not(report, undefined);
-	t.is(report.totalFiles, 0);
-	t.is(report.completedFiles, 0);
-	t.is(report.completedSize, 0);
-	t.is(report.percent, 1);
+test('throws on multiple non-existing files', async t => {
+	fs.mkdirSync(t.context.tmp);
+
+	await t.throwsAsync(cpy(['no-file1', 'no-file2'], t.context.tmp), {
+		instanceOf: CpyError
+	});
+});
+
+test('does not throw when not matching any file on glob pattern', async t => {
+	fs.mkdirSync(t.context.tmp);
+
+	await t.notThrowsAsync(cpy(['*.js'], t.context.tmp));
+});
+
+test('does not throw on mixed path and glob', async t => {
+	fs.mkdirSync(t.context.tmp);
+
+	await t.notThrowsAsync(cpy(['*.js', 'readme.md'], t.context.tmp));
 });
 
 test('junk files are ignored', async t => {