oak-cli/config/babel-plugin/oakRender.js

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const fs = require('fs');
const { relative, resolve } = require('path');
const t = require('@babel/types');
const { assert } = require('console');
module.exports = (babel) => {
return {
visitor: {
Program(path, state) {
const { cwd, filename } = state;
const rel = relative(cwd, filename).replace(/\\/g, '/');
const tsPage = (/oak-general-business\/(lib|src)/.test(rel) && /(pages|components)[\w|\W]+index\.(web.ts|ts)$/.test(rel)) ||
(!/node_modules/.test(rel) && /(pages|components)[\w|\W]+index\.(web.ts|ts)$/.test(rel));
const jsPage = (/oak-general-business\/(lib|src)/.test(rel) && /(pages|components)[\w|\W]+index\.(web.js|js)$/.test(rel)) ||
(!/node_modules/.test(rel) && /(pages|components)[\w|\W]+index\.(web.js|js)$/.test(rel));
if (tsPage || jsPage) {
const tsxFile = filename.replace(
/index\.(web.ts|ts|web.js|js)$/,
tsPage ? 'web.tsx' : 'web.jsx'
);
const jsFile = filename.replace(
/index\.(web.ts|ts|web.js|js)$/,
'web.js'
);
const tsxFileExists = fs.existsSync(tsxFile);
const jsFileExists = fs.existsSync(jsFile);
const pcTsxFile = filename.replace(
/index\.(web.ts|ts|web.js|js)$/,
tsPage ? 'web.pc.tsx' : 'web.pc.jsx'
);
const pcJsFile = filename.replace(
/index\.(web.ts|ts|web.js|js)$/,
'web.pc.js'
);
const pcTsxFileExists = fs.existsSync(pcTsxFile);
const pcJsFileExists = fs.existsSync(pcJsFile);
/** 根据tsx文件存在的情况注入如下的render代码
* if (this.props.width === 'xs') {
const renderMobile = require('./web.tsx').default;
return renderMobile.call(this);
}
else {
const renderScreen = require('./web.pc.tsx').default;
return renderScreen.call(this);
}
*/
const renderTsxStatements = [
t.variableDeclaration('const', [
t.variableDeclarator(
t.identifier('render'),
t.memberExpression(
t.callExpression(t.identifier('require'), [
t.stringLiteral(
`./web.${tsPage ? 'tsx' : 'jsx'}`
),
]),
t.identifier('default')
)
),
]),
t.returnStatement(
t.callExpression(
t.memberExpression(
t.identifier('render'),
t.identifier('call')
),
[t.thisExpression()]
)
),
];
const renderJsStatements = [
t.variableDeclaration('const', [
t.variableDeclarator(
t.identifier('render'),
t.memberExpression(
t.callExpression(t.identifier('require'), [
t.stringLiteral('./web.js'),
]),
t.identifier('default')
)
),
]),
t.returnStatement(
t.callExpression(
t.memberExpression(
t.identifier('render'),
t.identifier('call')
),
[t.thisExpression()]
)
),
];
const renderPcTsxStatements = [
t.variableDeclaration('const', [
t.variableDeclarator(
t.identifier('render'),
t.memberExpression(
t.callExpression(t.identifier('require'), [
t.stringLiteral(
`./web.pc.${tsPage ? 'tsx' : 'jsx'}`
),
]),
t.identifier('default')
)
),
]),
t.returnStatement(
t.callExpression(
t.memberExpression(
t.identifier('render'),
t.identifier('call')
),
[t.thisExpression()]
)
),
];
const renderPcJsStatements = [
t.variableDeclaration('const', [
t.variableDeclarator(
t.identifier('render'),
t.memberExpression(
t.callExpression(t.identifier('require'), [
t.stringLiteral('./web.pc.js'),
]),
t.identifier('default')
)
),
]),
t.returnStatement(
t.callExpression(
t.memberExpression(
t.identifier('render'),
t.identifier('call')
),
[t.thisExpression()]
)
),
];
const getStatements = () => {
const statements = [];
if (tsxFileExists && pcTsxFileExists) {
statements.push(
t.ifStatement(
t.binaryExpression(
'===',
t.memberExpression(
t.memberExpression(
t.thisExpression(),
t.identifier('props')
),
t.identifier('width')
),
t.stringLiteral('xs')
),
t.blockStatement(renderTsxStatements),
t.blockStatement(renderPcTsxStatements)
)
);
} else if (jsFileExists && pcJsFileExists) {
statements.push(
t.ifStatement(
t.binaryExpression(
'===',
t.memberExpression(
t.memberExpression(
t.thisExpression(),
t.identifier('props')
),
t.identifier('width')
),
t.stringLiteral('xs')
),
t.blockStatement(renderJsStatements),
t.blockStatement(renderPcJsStatements)
)
);
} else if (jsFileExists && pcTsxFileExists) {
statements.push(
t.ifStatement(
t.binaryExpression(
'===',
t.memberExpression(
t.memberExpression(
t.thisExpression(),
t.identifier('props')
),
t.identifier('width')
),
t.stringLiteral('xs')
),
t.blockStatement(renderJsStatements),
t.blockStatement(renderPcTsxStatements)
)
);
} else if (tsxFileExists && pcJsFileExists) {
statements.push(
t.ifStatement(
t.binaryExpression(
'===',
t.memberExpression(
t.memberExpression(
t.thisExpression(),
t.identifier('props')
),
t.identifier('width')
),
t.stringLiteral('xs')
),
t.blockStatement(renderTsxStatements),
t.blockStatement(renderPcJsStatements)
)
);
} else if (tsxFileExists) {
statements.push(...renderTsxStatements);
} else if (pcTsxFileExists) {
statements.push(...renderPcTsxStatements);
} else if (jsFileExists) {
statements.push(...renderJsStatements);
} else if (pcJsFileExists) {
statements.push(...renderPcJsStatements);
} else {
assert(
false,
`${filename}文件中不存在web.tsx或者web.pc.tsx`
);
}
return statements;
};
const node = path.node;
const body = node.body;
body.forEach((node2) => {
// export default OakPage({})、export default OakComponent({})
if (
node2 &&
node2.declaration &&
node2.declaration.callee &&
(node2.declaration.callee.name === 'OakPage' ||
node2.declaration.callee.name ===
'OakComponent')
) {
const statements = getStatements();
node2.declaration.arguments.forEach((node3) => {
if (t.isObjectExpression(node3)) {
const propertyRender = t.objectProperty(
t.identifier('render'),
t.functionExpression(
null,
[],
t.blockStatement(statements)
)
);
node3.properties.unshift(propertyRender);
}
});
}
// exports.default = OakPage({})、exports.default = OakComponent({})
if (
node2 &&
node2.expression &&
node2.expression.right &&
node2.expression.right.callee &&
(node2.expression.right.callee.name === 'OakPage' ||
node2.expression.right.callee.name ===
'OakComponent')
) {
const statements = getStatements();
node2.expression.right.arguments.forEach((node3) => {
if (t.isObjectExpression(node3)) {
const propertyRender = t.objectProperty(
t.identifier('render'),
t.functionExpression(
null,
[],
t.blockStatement(statements)
)
);
node3.properties.unshift(propertyRender);
}
});
}
});
}
},
},
};
};