@stryker-mutator/core/dist/src/utils/string-builder.js

The extendable JavaScript mutation testing framework

import { EOL } from 'os';
const DEFAULT_MAX_SIZE = 2048;
export class StringBuilder {
    constructor() {
        this.currentLength = 0;
        this.strings = [];
        this.maxSize = DEFAULT_MAX_SIZE;
    }
    append(str) {
        this.strings.push(str);
        this.currentLength += str.length;
        while (this.currentLength > this.maxSize && this.strings.length > 1) {
            const shifted = this.strings.shift();
            this.currentLength -= shifted.length;
        }
    }
    toString() {
        return this.strings.join('');
    }
    static concat(...builders) {
        return builders
            .map((b) => b.toString())
            .filter(Boolean)
            .join(EOL);
    }
}
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