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build-components.ts
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142 lines (132 loc) · 4.31 KB
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import { ComponentType, forwardRef, createElement, FunctionComponent } from 'react';
import { NpmInfo, ComponentSchema } from '@alilc/lowcode-types';
import { Component } from '@alilc/lowcode-designer';
import { isESModule } from './is-es-module';
import { isReactComponent, acceptsRef, wrapReactClass } from './is-react';
interface LibraryMap {
[key: string]: string;
}
export function accessLibrary(library: string | Record<string, unknown>) {
if (typeof library !== 'string') {
return library;
}
return (window as any)[library] || generateHtmlComp(library);
}
export function generateHtmlComp(library: string) {
if (['a', 'img', 'div', 'span', 'svg'].includes(library)) {
return forwardRef((props, ref) => {
return createElement(library, { ref, ...props }, props.children);
});
}
}
export function getSubComponent(library: any, paths: string[]) {
const l = paths.length;
if (l < 1 || !library) {
return library;
}
let i = 0;
let component: any;
while (i < l) {
const key = paths[i]!;
let ex: any;
try {
component = library[key];
} catch (e) {
ex = e;
component = null;
}
if (i === 0 && component == null && key === 'default') {
if (ex) {
return l === 1 ? library : null;
}
component = library;
} else if (component == null) {
return null;
}
library = component;
i++;
}
return component;
}
function findComponent(libraryMap: LibraryMap, componentName: string, npm?: NpmInfo) {
if (!npm) {
return accessLibrary(componentName);
}
// libraryName the key access to global
// export { exportName } from xxx exportName === global.libraryName.exportName
// export exportName from xxx exportName === global.libraryName.default || global.libraryName
// export { exportName as componentName } from package
// if exportName == null exportName === componentName;
// const componentName = exportName.subName, if exportName empty subName donot use
const exportName = npm.exportName || npm.componentName || componentName;
const libraryName = libraryMap[npm.package] || exportName;
const library = accessLibrary(libraryName);
const paths = npm.exportName && npm.subName ? npm.subName.split('.') : [];
if (npm.destructuring) {
paths.unshift(exportName);
} else if (isESModule(library)) {
paths.unshift('default');
}
return getSubComponent(library, paths);
}
export function buildComponents(libraryMap: LibraryMap,
componentsMap: { [componentName: string]: NpmInfo | ComponentType<any> | ComponentSchema },
createComponent: (schema: ComponentSchema) => Component | null) {
const components: any = {};
Object.keys(componentsMap).forEach((componentName) => {
let component = componentsMap[componentName];
if (component && (component as ComponentSchema).componentName === 'Component') {
components[componentName] = createComponent(component as ComponentSchema);
} else if (isReactComponent(component)) {
if (!acceptsRef(component)) {
component = wrapReactClass(component as FunctionComponent);
}
components[componentName] = component;
} else {
component = findComponent(libraryMap, componentName, component);
if (component) {
if (!acceptsRef(component)) {
component = wrapReactClass(component as FunctionComponent);
}
components[componentName] = component;
}
}
});
return components;
}
export interface UtilsMetadata {
name: string;
npm: {
package: string;
version?: string;
exportName: string;
subName?: string;
destructuring?: boolean;
main?: string;
};
}
interface LibrayMap {
[key: string]: string;
}
interface ProjectUtils {
[packageName: string]: any;
}
export function getProjectUtils(librayMap: LibrayMap, utilsMetadata: UtilsMetadata[]): ProjectUtils {
const projectUtils: ProjectUtils = {};
if (utilsMetadata) {
utilsMetadata.forEach(meta => {
if (librayMap[meta?.npm?.package]) {
const lib = accessLibrary(librayMap[meta?.npm.package]);
if (lib?.destructuring) {
Object.keys(lib).forEach(name => {
if (name === 'destructuring') return;
projectUtils[name] = lib[name];
});
} else if (meta.name) {
projectUtils[meta.name] = lib;
}
}
});
}
return projectUtils;
}