@amplitude/ampli/lib/parser/state.js

Amplitude CLI

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.State = exports.StateFactory = void 0;
class StateFactory {
    constructor(source, prefix, postfix) {
        this.source = source;
        this.prefix = [...prefix];
        this.postfix = [...postfix];
    }
    test(fromIndex) {
        return this.isPrefix(this.prefix, fromIndex) ? this.prefix.length : 0;
    }
    isPrefix(prefix, fromIndex) {
        return isPrefix(this.source, prefix, fromIndex);
    }
}
exports.StateFactory = StateFactory;
class State {
    constructor(segmentType, source, length) {
        this.segmentType = segmentType;
        this.source = source;
        this.length = length;
    }
    isPrefix(prefix, fromIndex) {
        return isPrefix(this.source, prefix, fromIndex);
    }
}
exports.State = State;
function isPrefix(data, prefix, fromIndex) {
    if (data.length < fromIndex + prefix.length) {
        return false;
    }
    return prefix.every((char, i) => data[fromIndex + i] === char);
}