Method constructor

contributed/jsonparser/jsonparser.js:108–140

(options)

export class Pattern extends Matcher {
    // Constructor for the Pattern class, validates options and establishes pattern value items.
    constructor(options) {
        super(options);
        this.setup = options.setup; // setup function
        this.value = options.value; // pattern value string
        const itemDelimiter = options.itemDelimiter || "/";
        const nameDelimiter = options.nameDelimiter || ":";
        this.items = this.value.split(itemDelimiter).map((item, index) => {
            if (index === 0 && item === "" && this.value.startsWith(itemDelimiter))
                return { type: NodeType.root };
            const pair = item.split(nameDelimiter);
            const text = pair[1]; // field name
            switch (pair[0]) {
                case "null":
                    return { type: NodeType.null };
                case "false":
                    return { type: NodeType.false };
                case "true":
                    return { type: NodeType.true };
                case "number":
                    return { type: NodeType.number, text };
                case "string":
                    return { type: NodeType.string, text };
                case "array":
                    return { type: NodeType.array };
                case "object":
                    return { type: NodeType.object };
                case "field":
                    return { type: NodeType.field, text };
                case "root":
                    return { type: NodeType.root };
            }
        }).reverse().filter(item => item !== undefined);
    }

    // Gets an array of field names from the pattern.
    get names() {