module.exports = {
replacer(key, value) {
if (typeof value === 'function') {
return {
type: 'JSFunction',
value: String(value),
};
}
return value;
},
isAsyncFunction: (fn) => {
return fn[Symbol.toStringTag] === 'AsyncFunction';
},
reviewer(key, value) {
if (!value) {
return value;
}
if (key === 'icon') {
if (typeof value === 'object') {
return {
type: 'smile',
size: 'small',
};
}
}
if (typeof value === 'object') {
if (value.type === 'JSFunction') {
let _value = value.value && value.value.trim();
let template = `
return function lowcode() {
const self = this;
try {
return (${_value}).apply(self, arguments);
} catch(e) {
console.log('call function which parsed by lowcode for key ${key} failed: ', e);
return e.message;
}
};`;
try {
return Function(template)();
} catch (e) {
if (e && e.message.includes("Unexpected token '{'")) {
console.log('method need add funtion prefix');
_value = 'function ' + _value;
template = `
return function lowcode() {
const self = this;
try {
return (${_value}).apply(self, arguments);
} catch(e) {
console.log('call function which parsed by lowcode for key ${key} failed: ', e);
return e.message;
}
};`;
return Function(template)();
}
console.error('parse lowcode function error: ', e);
console.error(value);
return value;
}
}
}
return value;
},
toJson(object, replacer) {
return JSON.stringify(object, replacer || this.replacer, 2);
},
parseJson(json) {
const input = typeof json === 'string' ? json : JSON.stringify(json);
return JSON.parse(input, this.reviewer);
},
calculateDependencies(schema, componentsMap) {
function findComps(schema, componentsMap, dependencies) {
dependencies = dependencies || {};
if (dependencies[schema.componentName]) {
dependencies[schema.componentName].count++;
} else {
dependencies[schema.componentName] = {
count: 1,
};
if (componentsMap && componentsMap[schema.componentName]) {
dependencies[schema.componentName].npm = componentsMap[schema.componentName].package;
dependencies[schema.componentName].version = componentsMap[schema.componentName].version;
}
}
if (schema.children && Array.isArray(schema.children)) {
schema.children.forEach((child) => {
dependencies = Object.assign(dependencies, findComps(child, componentsMap, dependencies));
});
}
return dependencies;
}
const comps = findComps(schema, componentsMap);
const deps = {};
Object.keys(comps).forEach((key) => {
const comp = comps[key];
if (!comp.npm) comp.npm = 'BuiltIn';
if (deps[`${comp.npm}${comp.version ? '@' + comp.version : ''}`]) {
deps[`${comp.npm}${comp.version ? '@' + comp.version : ''}`][key] = comp.count;
} else {
deps[`${comp.npm}${comp.version ? '@' + comp.version : ''}`] = {
[key]: comp.count,
};
}
});
return deps;
},
};