Sha256: cd8e5da674c30f82a9cf0b4a0f920a399a3e04655ea53177a5c15345f6c52701
Contents?: true
Size: 1.26 KB
Versions: 14
Compression:
Stored size: 1.26 KB
Contents
var utils = require('../utils')
/**
* Binding for inheriting data from parent VMs.
*/
module.exports = {
bind: function () {
var self = this,
childKey = self.arg,
parentKey = self.key,
compiler = self.compiler,
owner = self.binding.compiler
if (compiler === owner) {
this.alone = true
return
}
if (childKey) {
if (!compiler.bindings[childKey]) {
compiler.createBinding(childKey)
}
// sync changes on child back to parent
compiler.observer.on('change:' + childKey, function (val) {
if (compiler.init) return
if (!self.lock) {
self.lock = true
utils.nextTick(function () {
self.lock = false
})
}
owner.vm.$set(parentKey, val)
})
}
},
update: function (value) {
// sync from parent
if (!this.alone && !this.lock) {
if (this.arg) {
this.vm.$set(this.arg, value)
} else if (this.vm.$data !== value) {
this.vm.$data = value
}
}
}
}
Version data entries
14 entries across 14 versions & 1 rubygems