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guards.js2.5 KB · 61 lines

1"use strict";2var _a;3Object.defineProperty(exports, "__esModule", { value: true });4exports.isUniversal = exports.isTag = exports.isString = exports.isSelector = exports.isRoot = exports.isPseudo = exports.isNesting = exports.isIdentifier = exports.isComment = exports.isCombinator = exports.isClassName = exports.isAttribute = void 0;5exports.isNode = isNode;6exports.isPseudoElement = isPseudoElement;7exports.isPseudoClass = isPseudoClass;8exports.isContainer = isContainer;9exports.isNamespace = isNamespace;10var types_1 = require("./types");11var IS_TYPE = (_a = {},12    _a[types_1.ATTRIBUTE] = true,13    _a[types_1.CLASS] = true,14    _a[types_1.COMBINATOR] = true,15    _a[types_1.COMMENT] = true,16    _a[types_1.ID] = true,17    _a[types_1.NESTING] = true,18    _a[types_1.PSEUDO] = true,19    _a[types_1.ROOT] = true,20    _a[types_1.SELECTOR] = true,21    _a[types_1.STRING] = true,22    _a[types_1.TAG] = true,23    _a[types_1.UNIVERSAL] = true,24    _a);25function isNode(node) {26    return typeof node === "object" && IS_TYPE[node.type];27}28function isNodeType(type, node) {29    return isNode(node) && node.type === type;30}31exports.isAttribute = isNodeType.bind(null, types_1.ATTRIBUTE);32exports.isClassName = isNodeType.bind(null, types_1.CLASS);33exports.isCombinator = isNodeType.bind(null, types_1.COMBINATOR);34exports.isComment = isNodeType.bind(null, types_1.COMMENT);35exports.isIdentifier = isNodeType.bind(null, types_1.ID);36exports.isNesting = isNodeType.bind(null, types_1.NESTING);37exports.isPseudo = isNodeType.bind(null, types_1.PSEUDO);38exports.isRoot = isNodeType.bind(null, types_1.ROOT);39exports.isSelector = isNodeType.bind(null, types_1.SELECTOR);40exports.isString = isNodeType.bind(null, types_1.STRING);41exports.isTag = isNodeType.bind(null, types_1.TAG);42exports.isUniversal = isNodeType.bind(null, types_1.UNIVERSAL);43function isPseudoElement(node) {44    return ((0, exports.isPseudo)(node) &&45        node.value &&46        (node.value.startsWith("::") ||47            node.value.toLowerCase() === ":before" ||48            node.value.toLowerCase() === ":after" ||49            node.value.toLowerCase() === ":first-letter" ||50            node.value.toLowerCase() === ":first-line"));51}52function isPseudoClass(node) {53    return (0, exports.isPseudo)(node) && !isPseudoElement(node);54}55function isContainer(node) {56    return !!(isNode(node) && node.walk);57}58function isNamespace(node) {59    return (0, exports.isAttribute)(node) || (0, exports.isTag)(node);60}61//# sourceMappingURL=guards.js.map