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import type { Component, CSSProperties, Prop, VNodeChild, } from 'vue' |
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import type { Component, CSSProperties, Prop, VNodeChild } from 'vue' |
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import type { Axis, Block, DataRefer, DynamicTheme, DynamicValue, ToStatic, ViewChildren } from './types' |
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import type { EngineContext } from './context' |
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import { defineComponent, h } from 'vue' |
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import type { Axis, Block, DataRefer, Theme, View, ViewChildren, Widget, } from './types' |
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import { provideBlockId } from './context' |
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import { align, background, bordering, clip, gap, insets, radii, shadowing, size, unit, } from './utils' |
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import { provideBlockId, useBlockId, useContext } from './context' |
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import { |
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align, |
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background, |
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bordering, |
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clip, |
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dynamic, |
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gap, |
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insets, |
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isRefer, |
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radii, |
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shadowing, |
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size, |
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stack, |
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unit, |
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} from './utils' |
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import DddView from './views/View.vue' |
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import DddTextView from './views/TextView.vue' |
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import DddImageView from './views/ImageView.vue' |
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import DddAudioView from './views/AudioView.vue' |
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/** |
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* 相关框架组件渲染函数 |
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*/ |
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export type WidgetRenderFunction = (widget: Widget, view: View, axis?: Axis) => VNodeChild |
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/** |
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* 注册的外部组件渲染函数 |
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*/ |
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const widgets: Record<string, WidgetRenderFunction> = {} |
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const views: Record<string, Component> = { |
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text: DddTextView, |
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image: DddImageView, |
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audio: DddAudioView, |
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video: DddAudioView, |
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} |
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export function registerWidget(some: Record<string, WidgetRenderFunction>): void { |
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for (const [key, func] of Object.entries(some)) { |
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widgets[key] = func |
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} |
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} |
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// /**
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// * 相关框架组件渲染函数
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// */
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// export type WidgetRenderFunction = (widget: Widget, view: View, axis?: Axis) => VNodeChild
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function renderWidget(widget: Widget, view: View, axis?: Axis): VNodeChild { |
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const func = widgets[widget.name] |
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if (typeof func !== 'function') { |
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throw new TypeError(`unknown widget: ${widget.name}`) |
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} |
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return func(widget, view, axis) |
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} |
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// /**
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// * 注册的外部组件渲染函数
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// */
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// const widgets: Record<string, WidgetRenderFunction> = {}
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const isWidget = (s: any): s is Widget => s != null && 'name' in s |
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const views: Record<string, Component> = {} |
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function isRefer(s: any): s is DataRefer { |
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return s != null |
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&& 'type' in s |
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&& 'key' in s |
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&& typeof s.type === 'string' |
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&& typeof s.key === 'string' |
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export function registerView(v: Record<string, Component>): void { |
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for (const [key, comp] of Object.entries(v)) { |
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views[key] = comp |
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} |
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} |
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// export function registerWidget(some: Record<string, WidgetRenderFunction>): void {
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// for (const [key, func] of Object.entries(some)) {
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// widgets[key] = func
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// }
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// }
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//
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// function renderWidget(widget: Widget, view: View, axis?: Axis): VNodeChild {
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// const func = widgets[widget.name]
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// if (typeof func !== 'function') {
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// throw new TypeError(`unknown widget: ${widget.name}`)
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// }
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// return func(widget, view, axis)
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// }
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//
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// const isWidget = (s: any): s is Widget => s != null && 'name' in s
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function renderRefer(refer: DataRefer, axis?: Axis): VNodeChild { |
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export function renderRefer(refer: DataRefer, axis?: Axis): VNodeChild { |
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const { key, type, ...attrs } = refer |
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const component = views[type] |
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if (component) { |
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@ -67,15 +72,20 @@ function renderRefer(refer: DataRefer, axis?: Axis): VNodeChild { |
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}, 'unimplemented') |
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} |
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export function isFlexible(theme: Theme) { |
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return theme.axis != null |
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|| theme.mainAlign != null |
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|| theme.crossAlign != null |
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|| theme.wrap != null |
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|| theme.gap != null |
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export function isFlexible(theme: DynamicTheme, value: ToStatic) { |
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return value(theme.axis) != null |
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|| value(theme.mainAlign) != null |
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|| value(theme.crossAlign) != null |
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|| value(theme.wrap) != null |
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|| value(theme.gap) != null |
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} |
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export function render(view?: ViewChildren, axis?: Axis): VNodeChild { |
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export function render( |
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ctx: EngineContext, |
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blockId: string, |
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view?: ViewChildren, |
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axis?: Axis, |
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): VNodeChild { |
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if (view == null) { |
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return null |
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} |
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@ -83,55 +93,78 @@ export function render(view?: ViewChildren, axis?: Axis): VNodeChild { |
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return view |
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} |
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if (Array.isArray(view)) { |
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return view.map(v => render(v, axis)) |
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return view.map(child => render(ctx, blockId, child, axis)) |
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} |
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if (isRefer(view)) { |
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return renderRefer(view) |
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} |
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if (isWidget(view.theme)) { |
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return renderWidget(view.theme, view, axis) |
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} |
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// if (isWidget(view.theme)) {
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// return renderWidget(view.theme, view, axis)
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// }
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const theme = view.theme |
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const value = <T>(v: DynamicValue<T>): T => dynamic<T>(ctx, blockId, v) |
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const css: CSSProperties = { |
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// boxed & spatial
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...insets('padding', theme?.padding), |
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...insets('margin', theme?.margin), |
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...size(axis, theme), |
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...insets('padding', value(theme?.padding)), |
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...insets('margin', value(theme?.margin)), |
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...size(axis, theme, value), // todo
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// decoration
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...background(theme?.color, theme?.image, theme?.gradient), |
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...bordering(theme?.border), |
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...radii(theme?.radius), |
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...shadowing(theme?.shadow), |
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...background(value(theme?.color), value(theme?.image), value(theme?.gradient)), |
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...bordering(value(theme?.border)), |
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...radii(value(theme?.radius)), |
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...shadowing(value(theme?.shadow)), |
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// textual
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color: theme?.textColor, |
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fontSize: unit(theme?.fontSize), |
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textAlign: theme?.textAlign, |
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lineHeight: theme?.lineHeight, |
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color: value(theme?.textColor), |
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fontSize: unit(value(theme?.fontSize)), |
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textAlign: value(theme?.textAlign), |
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lineHeight: value(theme?.lineHeight), |
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// clip
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...clip(theme?.clip), |
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...clip(value(theme?.clip)), |
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// stack
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...stack(theme, value), |
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} |
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// note: 在前面初始化 css 时使用了参数 axis，
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// 所以在这里复用它用于子视图构建
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axis = theme?.axis |
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if (theme?.flexible || (theme && theme.flexible == null && isFlexible(theme))) { |
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axis = value(theme?.axis) |
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const flexible = value(theme?.flexible) |
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if (flexible || (theme && flexible == null && isFlexible(theme, value))) { |
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Object.assign(css, { |
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display: 'flex', |
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flexDirection: axis === 'y' ? 'column' : undefined, |
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justifyContent: align(theme?.mainAlign), |
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alignItems: align(theme?.crossAlign), |
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flexWrap: theme?.wrap ? 'wrap' : undefined, |
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...gap(theme?.gap), |
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justifyContent: align(value(theme?.mainAlign)), |
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alignItems: align(value(theme?.crossAlign)), |
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flexWrap: value(theme?.wrap) ? 'wrap' : undefined, |
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...gap(value(theme?.gap)), |
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}) |
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} |
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return h(DddView, { |
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vid: view.vid, |
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class: 'ddd-view', |
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style: css, |
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}, () => render(view.children, axis)) |
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}, () => render(ctx, blockId, view.children, axis)) |
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} |
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export const RenderView = defineComponent({ |
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name: 'RenderView', |
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props: { |
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view: { |
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// type: [Object | Array],
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required: true, |
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} as Prop<ViewChildren>, |
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}, |
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setup(props) { |
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const ctx = useContext() |
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const blockId = useBlockId() |
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return () => render(ctx, blockId, props.view) |
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} |
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}) |
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export const RenderBlock = defineComponent({ |
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name: 'RenderWidget', |
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name: 'RenderBlock', |
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props: { |
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block: { |
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@ -141,12 +174,16 @@ export const RenderBlock = defineComponent({ |
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}, |
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setup(props) { |
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// const ctx = useContext()
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provideBlockId(props.block!.vid) |
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return () => { |
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if (props.block == null) { |
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return null |
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} |
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return render(props.block) |
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// return render(ctx, props.block.vid, props.block)
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return h(RenderView, { |
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view: props.block, |
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}) |
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} |
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}, |
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}) |
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