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const React = require("react");
const fs = require("fs");
const babel = require("babel-core");
const ReactDOMServer = require("react-dom/server");
let configsObject;
if (fs.existsSync("./configs.json")) {
configsObject = require("./configs.json");
} else {
configsObject = {};
}
const fetchExampleString = exampleName => {
const exampleString = fs.readFileSync(`examples/${exampleName}.js`, "utf-8");
return exampleString;
};
const extractConfig = exampleString => {
const pattern = /(var|const)\s+settings\s*=\s*(\{(.|\n)+?\n\s*\};)/;
let extraction = exampleString.match(pattern);
if (extraction) extraction = extraction[2];
else return null;
const propPattern = /(\w+)\:((?:.|\n)+?)(?=(,\n)|(\n\s*};))/g;
let match;
let matchObject = {};
do {
match = propPattern.exec(extraction);
if (!match) break;
if (!matchObject[match[1]]) {
matchObject[match[1]] = match[2].trim();
}
} while (match);
return matchObject;
};
const extractChildren = exampleString => {
const pattern = /\<Slider(?:.|\n)*?\>((.|\n)*?)\<\/Slider\>/;
return exampleString.match(pattern)[1];
};
const transpile = exampleString =>
babel.transform(exampleString, {
plugins: [
"transform-react-jsx",
"babel-plugin-transform-object-rest-spread",
"babel-plugin-transform-class-properties",
"babel-plugin-transform-es2015-arrow-functions"
]
}).code;
const fetchExampleConfigs = (fileName, index) => {
const exampleName = fileName.substring(0, fileName.length - 3);
const exampleString = fetchExampleString(exampleName);
const transformedString = transpile(exampleString);
let childrenString = extractChildren(exampleString.replace(/\=\>/g, "$$$")); // jsx type string
try {
// react string without jsx
childrenString = eval(
transpile(
`<div name="${exampleName}">` + childrenString + "</div>"
).replace(/baseUrl/g, "'./img/react-slick'")
);
console.log("success");
} catch (error) {
childrenString = "";
console.error("children error:", fileName);
}
childrenString = ReactDOMServer.renderToString(childrenString); // pure html string
let config = extractConfig(transformedString);
if (config) {
configsObject[exampleName] = {
props: config,
children: childrenString
};
} else {
console.log("config error:", fileName);
}
};
const exampleFiles = fs
.readdirSync("examples")
.filter(file => file.endsWith(".js") && file[0] === file[0].toUpperCase())
.forEach((fileName, index) => fetchExampleConfigs(fileName, index));
fs.writeFileSync(
"examples/scripts/configs.json",
JSON.stringify(configsObject, null, 4)
);
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