@phenomnomnominal/tsquery
Version:
Query TypeScript ASTs with the esquery API!
66 lines • 1.83 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.attribute = void 0;
const utils_1 = require("../utils");
const OPERATOR = {
'=': equal,
'!=': notEqual,
'<=': lessThanEqual,
'<': lessThan,
'>=': greaterThanEqual,
'>': greaterThan
};
function attribute(node, selector) {
const obj = (0, utils_1.getPath)(node, selector.name);
// Bail on undefined but *not* if value is explicitly `null`:
if (obj === undefined) {
return false;
}
if ((selector === null || selector === void 0 ? void 0 : selector.operator) == null) {
return obj != null;
}
const { operator } = selector;
if (!(selector === null || selector === void 0 ? void 0 : selector.value)) {
return false;
}
const { type, value } = selector.value;
const matcher = OPERATOR[operator];
if (matcher) {
return matcher(obj, value, type);
}
return false;
}
exports.attribute = attribute;
function equal(obj, value, type) {
switch (type) {
case 'regexp':
return typeof obj === 'string' && value.test(obj);
case 'literal':
return `${value}` === `${obj}`;
case 'type':
return value === typeof obj;
}
}
function notEqual(obj, value, type) {
switch (type) {
case 'regexp':
return typeof obj === 'string' && !value.test(obj);
case 'literal':
return `${value}` !== `${obj}`;
case 'type':
return value !== typeof obj;
}
}
function lessThanEqual(obj, value) {
return obj <= value;
}
function lessThan(obj, value) {
return obj < value;
}
function greaterThanEqual(obj, value) {
return obj >= value;
}
function greaterThan(obj, value) {
return obj > value;
}
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