194 lines
6.8 KiB
JavaScript
194 lines
6.8 KiB
JavaScript
const { relative, dirname, join } = require('path');
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const fs = require('fs');
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const t = require('@babel/types');
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const traverse = require('@babel/traverse').default;
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const assert = require('assert');
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/**
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*
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* @param {*} node
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* @param {*} projectRoot
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* @param {*} filename
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* @param {*} env 'web' | 'native'
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*/
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function injectGetRender(node, projectRoot, filename, env) {
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assert(t.isCallExpression(node) && t.isIdentifier(node.callee) && node.callee.name === 'OakComponent');
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const dir = dirname(filename);
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if (env === 'web') {
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// web要根据this.props.width的宽度决定注入web.tsx还是web.pc.tsx
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const tsxFile = join(dir, 'web.tsx');
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const jsFile = join(dir, 'web.js');
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const jsxFile = join(dir, 'web.jsx');
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let webDestFile;
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if (fs.existsSync(tsxFile)) {
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webDestFile = './web.tsx';
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}
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else if (fs.existsSync(jsFile)) {
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webDestFile = './web.js';
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}
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else if (fs.existsSync(jsxFile)) {
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webDestFile = './web.jsx';
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}
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const acquireWebFileStmt = webDestFile && t.variableDeclaration('const', [
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t.variableDeclarator(
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t.identifier('oakRenderFn'),
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t.memberExpression(
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t.callExpression(t.identifier('require'), [
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t.stringLiteral(webDestFile),
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]),
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t.identifier('default')
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)
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),
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]);
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let pcDestFile;
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const pcTsxFile = join(dir, 'web.pc.tsx');
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const pcJsFile = join(dir, 'web.pc.js');
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const pcJsxFile = join(dir, 'web.pc.jsx');
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if (fs.existsSync(pcTsxFile)) {
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pcDestFile = './web.pc.tsx';
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}
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else if (fs.existsSync(pcJsFile)) {
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pcDestFile = './web.pc.js';
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}
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else if (fs.existsSync(pcJsxFile)) {
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pcDestFile = './web.pc.jsx';
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}
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const acquirePcFileStmt = pcDestFile && t.variableDeclaration('const', [
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t.variableDeclarator(
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t.identifier('oakRenderFn'),
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t.memberExpression(
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t.callExpression(t.identifier('require'), [
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t.stringLiteral(pcDestFile),
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]),
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t.identifier('default')
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)
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),
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]);
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const getStatements = () => {
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/** 根据tsx文件存在的情况，注入如下的getRender函数
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* if (this.props.width === 'xs') {
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const oakRenderFn = require('./web.tsx').default;
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return oakRenderFn;
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}
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else {
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const oakRenderFn = require('./web.pc.tsx').default;
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return oakRenderFn;
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}
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*/
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const statements = [];
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if (acquirePcFileStmt && acquireWebFileStmt) {
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statements.push(
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t.ifStatement(
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t.binaryExpression(
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'===',
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t.memberExpression(
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t.memberExpression(
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t.thisExpression(),
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t.identifier('props')
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),
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t.identifier('width')
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),
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t.stringLiteral('xs')
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),
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t.blockStatement([
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acquireWebFileStmt,
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t.returnStatement(
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t.identifier('oakRenderFn')
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)
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]),
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t.blockStatement([
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acquirePcFileStmt,
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t.returnStatement(
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t.identifier('oakRenderFn')
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)
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])
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)
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);
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}
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else if (acquirePcFileStmt) {
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statements.push(
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acquirePcFileStmt,
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t.returnStatement(
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t.identifier('oakRenderFn')
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)
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);
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}
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else if (acquireWebFileStmt) {
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statements.push(
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acquireWebFileStmt,
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t.returnStatement(
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t.identifier('oakRenderFn')
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)
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);
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} else {
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assert(
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false,
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`${dir}文件夹中不存在web.tsx或者web.pc.tsx，无法渲染`
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);
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}
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return statements;
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};
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const statements = getStatements();
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node.arguments.forEach((node4) => {
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if (t.isObjectExpression(node4)) {
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const propertyRender = t.objectProperty(
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t.identifier('getRender'),
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t.functionExpression(
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null,
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[],
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t.blockStatement(statements)
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)
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);
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node4.properties.unshift(propertyRender);
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}
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else {
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assert(false, `[${filename}]OakComponent调用参数不是ObjectExpression`);
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}
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});
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}
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else {
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assert(env === 'native');
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/** native不用检测(react-native会自动检测render.native或render.ios/android），直接注入
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* OakComponent({
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* getRender() {
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* const oakRenderFn = require('./render').default;
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* return oakRenderFn;
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* },
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* })
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*/
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const arg = node.arguments[0];
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assert(t.isObjectExpression(arg));
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const propertyRender = t.objectProperty(
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t.identifier('getRender'),
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t.functionExpression(null, [], t.blockStatement(
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[
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t.variableDeclaration('var', [
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t.variableDeclarator(
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t.identifier('oakRenderFn'),
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t.memberExpression(
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t.callExpression(
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t.identifier('require'),
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[
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t.stringLiteral('./render')
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]
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),
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t.identifier('default')
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),
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)
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]),
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t.returnStatement(
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t.identifier('oakRenderFn')
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)
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]
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))
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);
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arg.properties.unshift(propertyRender);
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}
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}
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module.exports = {
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injectGetRender
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}; |