| 1 | class componentFactory {
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| 2 | constructor() {
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| 3 | this.components = {}
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| 4 | this.appComponents = {}
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| 5 | }
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| 6 |
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| 7 | registerComponent(name, component) {
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| 8 | if (this.components[name]) {
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| 9 | throw `组件existed. name: ${name}`
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| 10 | }
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| 11 | this.components[name] = component
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| 12 | }
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| 13 |
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| 14 | registerAppComponent(appName, componentName, component) {
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| 15 | this.appComponents[appName] = this.appComponents[appName] || {}
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| 16 | this.appComponents[appName].components = this.appComponents[appName].components || {}
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| 17 | if (this.appComponents[appName].components[componentName])
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| 18 | throw `组件existed. app:${appName}, name: ${componentName}`
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| 19 | this.appComponents[appName].components[componentName] = component
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| 20 | }
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| 21 |
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| 22 | registerComponents(components) {
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| 23 | if (!components || components.length == 0)
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| 24 | return
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| 25 | components.forEach(c => this.registerComponent(c.name, c.component))
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| 26 | }
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| 27 |
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| 28 | getComponent(appName, name) {
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| 29 | if (!name)
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| 30 | throw 'component name can not null'
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| 31 |
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| 32 | if (name.substring(0, 2) == '::') {
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| 33 | if(name.substr(2))
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| 34 | return name.substr(2)
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| 35 | else
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| 36 | throw `没有组件. name: ::`
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| 37 | }
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| 38 |
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| 39 | const nameSegs = name.split('.'),
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| 40 | firstSeg = nameSegs[0]
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| 41 |
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| 42 | if (this.appComponents && this.appComponents[appName] && this.appComponents[appName].components && this.appComponents[appName].components[firstSeg]) {
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| 43 | var com = this.appComponents[appName].components[name]
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| 44 |
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| 45 | if (com && nameSegs.length > 1) {
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| 46 | com = this.findChild(com, nameSegs)
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| 47 | }
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| 48 |
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| 49 | if (com) return com
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| 50 |
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| 51 | }
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| 52 |
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| 53 | var component = this.components[firstSeg]
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| 54 |
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| 55 | if (component && nameSegs.length > 1) {
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| 56 | component = this.findChild(component, nameSegs)
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| 57 | }
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| 58 |
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| 59 | if (!component) {
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| 60 | throw `没有组件. name: ${name}`
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| 61 | }
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| 62 |
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| 63 | return component
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| 64 | }
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| 65 |
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| 66 | findChild(component, nameSegs) {
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| 67 | for (let s of nameSegs.slice(1)) {
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| 68 | if (!component[s]) {
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| 69 | component = undefined
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| 70 | return
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| 71 | }
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| 72 |
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| 73 | component = component[s]
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| 74 | }
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| 75 | return component
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| 76 |
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| 77 | }
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| 78 |
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| 79 |
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| 80 | }
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| 81 |
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| 82 | const instance = new componentFactory()
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| 83 |
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| 84 | export default instance |
| \ | No newline at end of file |