本文整理汇总了TypeScript中tsutils/typeguard/2.8.isPropertyAccessExpression方法的典型用法代码示例。如果您正苦于以下问题：TypeScript 8.isPropertyAccessExpression方法的具体用法？TypeScript 8.isPropertyAccessExpression怎么用？TypeScript 8.isPropertyAccessExpression使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tsutils/typeguard/2.8的用法示例。
在下文中一共展示了8.isPropertyAccessExpression方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: isInChainCallAndFollowsNew
/**
* Check if the given the given PropertyAccessExpression is part of a chain and
* immediately follows a method/function call that returns a new array.
*
* If this is the case, then the given PropertyAccessExpression is allowed to be a mutator method call.
*/
function isInChainCallAndFollowsNew(
node: ts.PropertyAccessExpression,
checker: ts.TypeChecker
): boolean {
return (
utils.isArrayLiteralExpression(node.expression) ||
(utils.isNewExpression(node.expression) &&
isArrayConstructorType(
checker.getTypeAtLocation(node.expression.expression)
)) ||
(utils.isCallExpression(node.expression) &&
utils.isPropertyAccessExpression(node.expression.expression) &&
constructorFunctions.some(
isExpected(node.expression.expression.name.text)
) &&
isArrayConstructorType(
checker.getTypeAtLocation(node.expression.expression.expression)
)) ||
(utils.isCallExpression(node.expression) &&
utils.isPropertyAccessExpression(node.expression.expression) &&
newArrayReturningMethods.some(
isExpected(node.expression.expression.name.text)
))
);
}示例2: checkCallExpression
/**
* No calls to array mutating methods.
*/
function checkCallExpression(
node: ts.CallExpression,
ctx: Lint.WalkContext<Options>,
checker: ts.TypeChecker
): CheckNodeResult {
if (
!Ignore.isIgnoredPrefix(
node.getText(node.getSourceFile()),
ctx.options.ignorePrefix
) &&
utils.isPropertyAccessExpression(node.expression) &&
(!(
ctx.options.ignoreNewArray || ctx.options.ignoreMutationFollowingAccessor
) ||
!isInChainCallAndFollowsNew(node.expression, checker)) &&
mutatorMethods.some(
m => m === (node.expression as ts.PropertyAccessExpression).name.text
)
) {
// Do the type checking as late as possible (as it is expensive).
const expressionType = checker.getTypeAtLocation(
getRootAccessExpression(node.expression).expression
);
if (isArrayType(expressionType)) {
return { invalidNodes: [createInvalidNode(node, [])] };
}
}
return { invalidNodes: [] };
}示例3: isAccessExpression
export function isAccessExpression(node: ts.Node): node is AccessExpression {
return (
utils.isElementAccessExpression(node) ||
utils.isPropertyAccessExpression(node)
);
}示例4: checkNode
function checkNode(
node: ts.Node,
ctx: Lint.WalkContext<Options>,
checker: ts.TypeChecker
): CheckNodeResult {
let invalidNodes: Array<InvalidNode> = [];
// No assignment with object.property on the left
if (
utils.isBinaryExpression(node) &&
isAccessExpression(node.left) &&
utils.isBinaryExpression(node) &&
isAssignmentKind(node.operatorToken.kind) &&
!Ignore.isIgnoredPrefix(
node.getText(node.getSourceFile()),
ctx.options.ignorePrefix
) &&
!inConstructor(node)
) {
invalidNodes = [...invalidNodes, createInvalidNode(node, [])];
}
// No deleting object properties
if (
utils.isDeleteExpression(node) &&
isAccessExpression(node.expression) &&
!Ignore.isIgnoredPrefix(
node.expression.getText(node.getSourceFile()),
ctx.options.ignorePrefix
)
) {
invalidNodes = [...invalidNodes, createInvalidNode(node, [])];
}
// No prefix inc/dec
if (
utils.isPrefixUnaryExpression(node) &&
isAccessExpression(node.operand) &&
forbidUnaryOps.some(o => o === node.operator) &&
!Ignore.isIgnoredPrefix(
node.operand.getText(node.getSourceFile()),
ctx.options.ignorePrefix
)
) {
invalidNodes = [...invalidNodes, createInvalidNode(node, [])];
}
// No postfix inc/dec
if (
utils.isPostfixUnaryExpression(node) &&
isAccessExpression(node.operand) &&
forbidUnaryOps.some(o => o === node.operator) &&
!Ignore.isIgnoredPrefix(
node.getText(node.getSourceFile()),
ctx.options.ignorePrefix
)
) {
invalidNodes = [...invalidNodes, createInvalidNode(node, [])];
}
// No Object.assign on identifiers.
if (
utils.isCallExpression(node) &&
utils.isPropertyAccessExpression(node.expression) &&
utils.isIdentifier(node.expression.name) &&
node.expression.name.text === "assign" &&
node.arguments.length >= 2 &&
(utils.isIdentifier(node.arguments[0]) ||
utils.isPropertyAccessExpression(node.arguments[0])) &&
!Ignore.isIgnoredPrefix(
node.arguments[0].getText(node.arguments[0].getSourceFile()),
ctx.options.ignorePrefix
) &&
// Do type checking as late as possible as it is expensive.
isObjectConstructorType(
checker.getTypeAtLocation(node.expression.expression)
)
) {
invalidNodes = [...invalidNodes, createInvalidNode(node, [])];
}
return { invalidNodes };
}