Sha256: b13bb7302c83cd74beef0c611b9fba7981784ae6abf54bfcd8e1f8e3d8847812
Contents?: true
Size: 1.61 KB
Versions: 5
Compression:
Stored size: 1.61 KB
Contents
var _ = require('./debug')
/**
* Resolve read & write filters for a vm instance. The
* filters descriptor Array comes from the directive parser.
*
* This is extracted into its own utility so it can
* be used in multiple scenarios.
*
* @param {Vue} vm
* @param {Array<Object>} filters
* @param {Object} [target]
* @return {Object}
*/
exports.resolveFilters = function (vm, filters, target) {
if (!filters) {
return
}
var res = target || {}
// var registry = vm.$options.filters
filters.forEach(function (f) {
var def = vm.$options.filters[f.name]
_.assertAsset(def, 'filter', f.name)
if (!def) return
var args = f.args
var reader, writer
if (typeof def === 'function') {
reader = def
} else {
reader = def.read
writer = def.write
}
if (reader) {
if (!res.read) res.read = []
res.read.push(function (value) {
return args
? reader.apply(vm, [value].concat(args))
: reader.call(vm, value)
})
}
if (writer) {
if (!res.write) res.write = []
res.write.push(function (value, oldVal) {
return args
? writer.apply(vm, [value, oldVal].concat(args))
: writer.call(vm, value, oldVal)
})
}
})
return res
}
/**
* Apply filters to a value
*
* @param {*} value
* @param {Array} filters
* @param {Vue} vm
* @param {*} oldVal
* @return {*}
*/
exports.applyFilters = function (value, filters, vm, oldVal) {
if (!filters) {
return value
}
for (var i = 0, l = filters.length; i < l; i++) {
value = filters[i].call(vm, value, oldVal)
}
return value
}
Version data entries
5 entries across 5 versions & 1 rubygems