本文整理匯總了TypeScript中path.scope類的典型用法代碼示例。如果您正苦於以下問題：TypeScript scope類的具體用法？TypeScript scope怎麽用？TypeScript scope使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了scope類的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: resolvePartialWildcardString
plugins: [({ types: t }) => {
function resolvePartialWildcardString (node, lastIsWildcard) {
if (t.isStringLiteral(node))
return node.value;
if (t.isTemplateLiteral(node)) {
let str = '';
for (let i = 0; i < node.quasis.length; i++) {
const quasiStr = node.quasis[i].value.cooked;
if (quasiStr.length) {
str += quasiStr;
lastIsWildcard = false;
}
const nextNode = node.expressions[i];
if (nextNode) {
const nextStr = resolvePartialWildcardString(nextNode, lastIsWildcard);
if (nextStr.length) {
lastIsWildcard = nextStr.endsWith('*');
str += nextStr;
}
}
}
return str;
}
if (t.isBinaryExpression(node) && node.operator === '+') {
const leftResolved = resolvePartialWildcardString(node.left, lastIsWildcard);
if (leftResolved.length)
lastIsWildcard = leftResolved.endsWith('*');
const rightResolved = resolvePartialWildcardString(node.right, lastIsWildcard);
return leftResolved + rightResolved;
}
return lastIsWildcard ? '' : '*';
}
return {
visitor: {
ReferencedIdentifier (path) {
const identifierName = path.node.name;
if (!hasProcess && identifierName === 'process' && !path.scope.hasBinding('process'))
hasProcess = true;
if (!hasBuffer && identifierName === 'Buffer' && !path.scope.hasBinding('Buffer'))
hasBuffer = true;
},
CallExpression (path) {
if (t.isIdentifier(path.node.callee, { name: 'require' })) {
const req = resolvePartialWildcardString(path.node.arguments[0], false);
if (req !== '*')
requires.add(req);
}
else if (t.isMemberExpression(path.node.callee) &&
t.isIdentifier(path.node.callee.object, { name: 'require' }) &&
t.isIdentifier(path.node.callee.property, { name: 'resolve' })) {
const req = resolvePartialWildcardString(path.node.arguments[0], false);
if (req.indexOf('*') !== -1)
requires.add(req);
}
}
}
};
}]示例2: it
it("should register typescript types with the scope", function() {
visit(ast, {
visitProgram(path) {
assert(path.scope.declaresType('Foo'));
assert(path.scope.declaresType('Bar'));
assert.equal(path.scope.lookupType('Foo').getTypes()['Foo'][0].parent.node.type, 'TSTypeAliasDeclaration');
assert.equal(path.scope.lookupType('Bar').getTypes()['Bar'][0].parent.node.type, 'TSInterfaceDeclaration');
return false;
}
});
});示例3: return
return (path, state) => {
const bindings: { [identifier: string]: Binding } = (path.scope.getAllBindings() as any);
const camlExceptions = bindings["Caml_exceptions"];
if (camlExceptions) {
let referenceCount = camlExceptions.references;
const modulePath: string = state.file.opts.filename;
if (modulePath === "unknown")
return;
let json: BuckleScript.AttrsJSON;
if ((json = (BuckleScript.Attrs.json(modulePath) as any)) == null)
return;
for (const name in bindings) {
let replacement: string;
if ((replacement = json[name]) != null) {
const binding = bindings[name];
binding.path.replaceWith(
types.variableDeclarator(binding.identifier, types.stringLiteral(replacement))
);
referenceCount--;
}
}
if (referenceCount < 1) {
camlExceptions.path.remove();
}
}
};示例4: getSuperClassCode
export function getSuperClassCode (path: NodePath<t.ClassDeclaration>) {
const superClass = path.node.superClass
if (t.isIdentifier(superClass)) {
const binding = path.scope.getBinding(superClass.name)
if (binding && binding.kind === 'module') {
const bindingPath = binding.path.parentPath
if (bindingPath.isImportDeclaration()) {
const source = bindingPath.node.source
if (source.value === TARO_PACKAGE_NAME) {
return
}
try {
const p = pathResolver(source.value, transformOptions.sourcePath) + (transformOptions.isTyped ? '.tsx' : '.js')
const code = fs.readFileSync(p, 'utf8')
return {
code,
sourcePath: source.value
}
} catch (error) {
return
}
}
}
}
}