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Fix "isSupported" behavior - Closes #666

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Zeno Rocha 2020-03-04 22:24:24 -08:00
parent 289389322e
commit e430d056ad
2 changed files with 5 additions and 5 deletions
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4
src/clipboard.js
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@ -86,10 +86,10 @@ class Clipboard extends Emitter {
*/
static isSupported(action = ['copy', 'cut']) {
const actions = (typeof action === 'string') ? [action] : action;
let support = !document.queryCommandSupported;
let support = !!document.queryCommandSupported;
actions.forEach((action) => {
support = support && !document.queryCommandSupported(action);
support = support && !!document.queryCommandSupported(action);
});
return support;

6
test/clipboard.js
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@ -110,12 +110,12 @@ describe('Clipboard', () => {
describe('#static isSupported', () => {
it('should return the support of the given action', () => {
assert.equal(Clipboard.isSupported('copy'), false);
assert.equal(Clipboard.isSupported('cut'), false);
assert.equal(Clipboard.isSupported('copy'), true);
assert.equal(Clipboard.isSupported('cut'), true);
});
it('should return the support of the cut and copy actions', () => {
assert.equal(Clipboard.isSupported(), false);
assert.equal(Clipboard.isSupported(), true);
});
});