274 lines
7.1 KiB
JavaScript
274 lines
7.1 KiB
JavaScript
var Vue // late bind
|
|
var version
|
|
var map = Object.create(null)
|
|
if (typeof window !== 'undefined') {
|
|
window.__VUE_HOT_MAP__ = map
|
|
}
|
|
var installed = false
|
|
var isBrowserify = false
|
|
var initHookName = 'beforeCreate'
|
|
|
|
exports.install = function (vue, browserify) {
|
|
if (installed) { return }
|
|
installed = true
|
|
|
|
Vue = vue.__esModule ? vue.default : vue
|
|
version = Vue.version.split('.').map(Number)
|
|
isBrowserify = browserify
|
|
|
|
// compat with < 2.0.0-alpha.7
|
|
if (Vue.config._lifecycleHooks.indexOf('init') > -1) {
|
|
initHookName = 'init'
|
|
}
|
|
|
|
exports.compatible = version[0] >= 2
|
|
if (!exports.compatible) {
|
|
console.warn(
|
|
'[HMR] You are using a version of vue-hot-reload-api that is ' +
|
|
'only compatible with Vue.js core ^2.0.0.'
|
|
)
|
|
return
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a record for a hot module, which keeps track of its constructor
|
|
* and instances
|
|
*
|
|
* @param {String} id
|
|
* @param {Object} options
|
|
*/
|
|
|
|
exports.createRecord = function (id, options) {
|
|
if(map[id]) { return }
|
|
|
|
var Ctor = null
|
|
if (typeof options === 'function') {
|
|
Ctor = options
|
|
options = Ctor.options
|
|
}
|
|
makeOptionsHot(id, options)
|
|
map[id] = {
|
|
Ctor: Ctor,
|
|
options: options,
|
|
instances: []
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if module is recorded
|
|
*
|
|
* @param {String} id
|
|
*/
|
|
|
|
exports.isRecorded = function (id) {
|
|
return typeof map[id] !== 'undefined'
|
|
}
|
|
|
|
/**
|
|
* Make a Component options object hot.
|
|
*
|
|
* @param {String} id
|
|
* @param {Object} options
|
|
*/
|
|
|
|
function makeOptionsHot(id, options) {
|
|
if (options.functional) {
|
|
var render = options.render
|
|
options.render = function (h, ctx) {
|
|
var instances = map[id].instances
|
|
if (ctx && instances.indexOf(ctx.parent) < 0) {
|
|
instances.push(ctx.parent)
|
|
}
|
|
return render(h, ctx)
|
|
}
|
|
} else {
|
|
injectHook(options, initHookName, function() {
|
|
var record = map[id]
|
|
if (!record.Ctor) {
|
|
record.Ctor = this.constructor
|
|
}
|
|
record.instances.push(this)
|
|
})
|
|
injectHook(options, 'beforeDestroy', function() {
|
|
var instances = map[id].instances
|
|
instances.splice(instances.indexOf(this), 1)
|
|
})
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Inject a hook to a hot reloadable component so that
|
|
* we can keep track of it.
|
|
*
|
|
* @param {Object} options
|
|
* @param {String} name
|
|
* @param {Function} hook
|
|
*/
|
|
|
|
function injectHook(options, name, hook) {
|
|
var existing = options[name]
|
|
options[name] = existing
|
|
? Array.isArray(existing) ? existing.concat(hook) : [existing, hook]
|
|
: [hook]
|
|
}
|
|
|
|
function tryWrap(fn) {
|
|
return function (id, arg) {
|
|
try {
|
|
fn(id, arg)
|
|
} catch (e) {
|
|
console.error(e)
|
|
console.warn(
|
|
'Something went wrong during Vue component hot-reload. Full reload required.'
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
function updateOptions (oldOptions, newOptions) {
|
|
for (var key in oldOptions) {
|
|
if (!(key in newOptions)) {
|
|
delete oldOptions[key]
|
|
}
|
|
}
|
|
for (var key$1 in newOptions) {
|
|
oldOptions[key$1] = newOptions[key$1]
|
|
}
|
|
}
|
|
|
|
exports.rerender = tryWrap(function (id, options) {
|
|
var record = map[id]
|
|
if (!options) {
|
|
record.instances.slice().forEach(function (instance) {
|
|
instance.$forceUpdate()
|
|
})
|
|
return
|
|
}
|
|
if (typeof options === 'function') {
|
|
options = options.options
|
|
}
|
|
if (record.Ctor) {
|
|
record.Ctor.options.render = options.render
|
|
record.Ctor.options.staticRenderFns = options.staticRenderFns
|
|
record.instances.slice().forEach(function (instance) {
|
|
instance.$options.render = options.render
|
|
instance.$options.staticRenderFns = options.staticRenderFns
|
|
// reset static trees
|
|
// pre 2.5, all static trees are cached together on the instance
|
|
if (instance._staticTrees) {
|
|
instance._staticTrees = []
|
|
}
|
|
// 2.5.0
|
|
if (Array.isArray(record.Ctor.options.cached)) {
|
|
record.Ctor.options.cached = []
|
|
}
|
|
// 2.5.3
|
|
if (Array.isArray(instance.$options.cached)) {
|
|
instance.$options.cached = []
|
|
}
|
|
|
|
// post 2.5.4: v-once trees are cached on instance._staticTrees.
|
|
// Pure static trees are cached on the staticRenderFns array
|
|
// (both already reset above)
|
|
|
|
// 2.6: temporarily mark rendered scoped slots as unstable so that
|
|
// child components can be forced to update
|
|
var restore = patchScopedSlots(instance)
|
|
instance.$forceUpdate()
|
|
instance.$nextTick(restore)
|
|
})
|
|
} else {
|
|
// functional or no instance created yet
|
|
record.options.render = options.render
|
|
record.options.staticRenderFns = options.staticRenderFns
|
|
|
|
// handle functional component re-render
|
|
if (record.options.functional) {
|
|
// rerender with full options
|
|
if (Object.keys(options).length > 2) {
|
|
updateOptions(record.options, options)
|
|
} else {
|
|
// template-only rerender.
|
|
// need to inject the style injection code for CSS modules
|
|
// to work properly.
|
|
var injectStyles = record.options._injectStyles
|
|
if (injectStyles) {
|
|
var render = options.render
|
|
record.options.render = function (h, ctx) {
|
|
injectStyles.call(ctx)
|
|
return render(h, ctx)
|
|
}
|
|
}
|
|
}
|
|
record.options._Ctor = null
|
|
// 2.5.3
|
|
if (Array.isArray(record.options.cached)) {
|
|
record.options.cached = []
|
|
}
|
|
record.instances.slice().forEach(function (instance) {
|
|
instance.$forceUpdate()
|
|
})
|
|
}
|
|
}
|
|
})
|
|
|
|
exports.reload = tryWrap(function (id, options) {
|
|
var record = map[id]
|
|
if (options) {
|
|
if (typeof options === 'function') {
|
|
options = options.options
|
|
}
|
|
makeOptionsHot(id, options)
|
|
if (record.Ctor) {
|
|
if (version[1] < 2) {
|
|
// preserve pre 2.2 behavior for global mixin handling
|
|
record.Ctor.extendOptions = options
|
|
}
|
|
var newCtor = record.Ctor.super.extend(options)
|
|
// prevent record.options._Ctor from being overwritten accidentally
|
|
newCtor.options._Ctor = record.options._Ctor
|
|
record.Ctor.options = newCtor.options
|
|
record.Ctor.cid = newCtor.cid
|
|
record.Ctor.prototype = newCtor.prototype
|
|
if (newCtor.release) {
|
|
// temporary global mixin strategy used in < 2.0.0-alpha.6
|
|
newCtor.release()
|
|
}
|
|
} else {
|
|
updateOptions(record.options, options)
|
|
}
|
|
}
|
|
record.instances.slice().forEach(function (instance) {
|
|
if (instance.$vnode && instance.$vnode.context) {
|
|
instance.$vnode.context.$forceUpdate()
|
|
} else {
|
|
console.warn(
|
|
'Root or manually mounted instance modified. Full reload required.'
|
|
)
|
|
}
|
|
})
|
|
})
|
|
|
|
// 2.6 optimizes template-compiled scoped slots and skips updates if child
|
|
// only uses scoped slots. We need to patch the scoped slots resolving helper
|
|
// to temporarily mark all scoped slots as unstable in order to force child
|
|
// updates.
|
|
function patchScopedSlots (instance) {
|
|
if (!instance._u) { return }
|
|
// https://github.com/vuejs/vue/blob/dev/src/core/instance/render-helpers/resolve-scoped-slots.js
|
|
var original = instance._u
|
|
instance._u = function (slots) {
|
|
try {
|
|
// 2.6.4 ~ 2.6.6
|
|
return original(slots, true)
|
|
} catch (e) {
|
|
// 2.5 / >= 2.6.7
|
|
return original(slots, null, true)
|
|
}
|
|
}
|
|
return function () {
|
|
instance._u = original
|
|
}
|
|
}
|