@typescript-eslint/eslint-plugin
Version:
TypeScript plugin for ESLint
80 lines (79 loc) • 2.55 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getMemberHeadLoc = getMemberHeadLoc;
exports.getParameterPropertyHeadLoc = getParameterPropertyHeadLoc;
const eslint_utils_1 = require("@typescript-eslint/utils/eslint-utils");
/**
* Generates report loc suitable for reporting on how a class member is
* declared, rather than how it's implemented.
*
* ```ts
* class A {
* abstract method(): void;
* ~~~~~~~~~~~~~~~
*
* concreteMethod(): void {
* ~~~~~~~~~~~~~~
* // code
* }
*
* abstract private property?: string;
* ~~~~~~~~~~~~~~~~~~~~~~~~~
*
* @decorator override concreteProperty = 'value';
* ~~~~~~~~~~~~~~~~~~~~~~~~~
* }
* ```
*/
function getMemberHeadLoc(sourceCode, node) {
let start;
if (node.decorators.length === 0) {
start = node.loc.start;
}
else {
const lastDecorator = node.decorators[node.decorators.length - 1];
const nextToken = (0, eslint_utils_1.nullThrows)(sourceCode.getTokenAfter(lastDecorator), eslint_utils_1.NullThrowsReasons.MissingToken('token', 'last decorator'));
start = nextToken.loc.start;
}
let end;
if (!node.computed) {
end = node.key.loc.end;
}
else {
const closingBracket = (0, eslint_utils_1.nullThrows)(sourceCode.getTokenAfter(node.key, token => token.value === ']'), eslint_utils_1.NullThrowsReasons.MissingToken(']', node.type));
end = closingBracket.loc.end;
}
return {
end: structuredClone(end),
start: structuredClone(start),
};
}
/**
* Generates report loc suitable for reporting on how a parameter property is
* declared.
*
* ```ts
* class A {
* constructor(private property: string = 'value') {
* ~~~~~~~~~~~~~~~~
* }
* ```
*/
function getParameterPropertyHeadLoc(sourceCode, node, nodeName) {
// Parameter properties have a weirdly different AST structure
// than other class members.
let start;
if (node.decorators.length === 0) {
start = structuredClone(node.loc.start);
}
else {
const lastDecorator = node.decorators[node.decorators.length - 1];
const nextToken = (0, eslint_utils_1.nullThrows)(sourceCode.getTokenAfter(lastDecorator), eslint_utils_1.NullThrowsReasons.MissingToken('token', 'last decorator'));
start = structuredClone(nextToken.loc.start);
}
const end = sourceCode.getLocFromIndex(node.parameter.range[0] + nodeName.length);
return {
end,
start,
};
}