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allow empty/falsy values in v-bind:class array syntax

This commit is contained in:
Evan You 2015-09-27 11:41:44 -04:00
parent b7bc6e663a
commit ab2ff32a88
2 changed files with 5 additions and 1 deletions
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4
src/directives/internal/class.js
View File

@ -32,7 +32,9 @@ module.exports = {
handleArray: function (value) { handleArray: function (value) {
this.cleanup(value) this.cleanup(value)
for (var i = 0, l = value.length; i < l; i++) { for (var i = 0, l = value.length; i < l; i++) {
addClass(this.el, value[i]) if (value[i]) {
addClass(this.el, value[i])
}
} }
this.prevKeys = value this.prevKeys = value
}, },

2
test/unit/specs/directives/internal/class_spec.js
View File

@ -47,6 +47,8 @@ if (_.inBrowser) {
expect(el.className).toBe('a c d') expect(el.className).toBe('a c d')
dir.update() dir.update()
expect(el.className).toBe('a') expect(el.className).toBe('a')
dir.update(['e', ''])
expect(el.className).toBe('a e')
}) })
}) })