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Viewing / Editing File: stringify.js

"use strict";
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
        }
    }
    return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
var actionTypes = {
    equals: "",
    element: "~",
    start: "^",
    end: "$",
    any: "*",
    not: "!",
    hyphen: "|",
};
var charsToEscape = new Set(__spreadArray(__spreadArray([], Object.keys(actionTypes)
    .map(function (typeKey) { return actionTypes[typeKey]; })
    .filter(Boolean), true), [
    ":",
    "[",
    "]",
    " ",
    "\\",
    "(",
    ")",
    "'",
], false));
/**
 * Turns `selector` back into a string.
 *
 * @param selector Selector to stringify.
 */
function stringify(selector) {
    return selector.map(stringifySubselector).join(", ");
}
exports.default = stringify;
function stringifySubselector(token) {
    return token.map(stringifyToken).join("");
}
function stringifyToken(token) {
    switch (token.type) {
        // Simple types
        case "child":
            return " > ";
        case "parent":
            return " < ";
        case "sibling":
            return " ~ ";
        case "adjacent":
            return " + ";
        case "descendant":
            return " ";
        case "universal":
            return getNamespace(token.namespace) + "*";
        case "tag":
            return getNamespacedName(token);
        case "pseudo-element":
            return "::" + escapeName(token.name);
        case "pseudo":
            if (token.data === null)
                return ":" + escapeName(token.name);
            if (typeof token.data === "string") {
                return ":" + escapeName(token.name) + "(" + escapeName(token.data) + ")";
            }
            return ":" + escapeName(token.name) + "(" + stringify(token.data) + ")";
        case "attribute": {
            if (token.name === "id" &&
                token.action === "equals" &&
                !token.ignoreCase &&
                !token.namespace) {
                return "#" + escapeName(token.value);
            }
            if (token.name === "class" &&
                token.action === "element" &&
                !token.ignoreCase &&
                !token.namespace) {
                return "." + escapeName(token.value);
            }
            var name_1 = getNamespacedName(token);
            if (token.action === "exists") {
                return "[" + name_1 + "]";
            }
            return "[" + name_1 + actionTypes[token.action] + "='" + escapeName(token.value) + "'" + (token.ignoreCase ? "i" : token.ignoreCase === false ? "s" : "") + "]";
        }
    }
}
function getNamespacedName(token) {
    return "" + getNamespace(token.namespace) + escapeName(token.name);
}
function getNamespace(namespace) {
    return namespace !== null
        ? (namespace === "*" ? "*" : escapeName(namespace)) + "|"
        : "";
}
function escapeName(str) {
    return str
        .split("")
        .map(function (c) { return (charsToEscape.has(c) ? "\\" + c : c); })
        .join("");
}

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