html-tokenizer/lib/stack.js

Small, fast, event-driven, fault-tolerant html tokenizer. Works in node or browsers.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Mutable FILO stack object.
 */
class Stack {
    constructor() {
        this.items = [];
    }
    push(t) {
        this.items.push(t);
    }
    pop() {
        return this.items.pop();
    }
    peek(n = 0) {
        const idx = this.items.length + -1 + -n;
        return this.items[idx];
    }
    size() {
        return this.items.length;
    }
    *drain() {
        for (let i = this.items.length; i > 0; i--) {
            yield this.items[i - 1];
        }
        this.items.length = 0;
    }
}
exports.default = Stack;
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