boats/build/src/calculateIndentFromLineBreak.js

Beautiful Open / Async Template System - Write less yaml with BOATS and Nunjucks.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = (str, pointer) => {
    let spaceStart = false;
    let spaceStartPointer = 0;
    let spaceEndPointer = 0;
    for (let i = pointer; i >= 0; --i) {
        if (str[i] === ' ' && !spaceStart) {
            spaceStart = true;
            spaceStartPointer = i;
        }
        else if (str[i] === '\n' || i === 0) {
            spaceEndPointer = i;
            if (str[i] === '\n' && i === 0 && spaceStartPointer > 2) {
                ++spaceEndPointer;
            }
            else if (str[i] !== '\n' && i === 0 && spaceStartPointer > 0) {
                --spaceEndPointer;
            }
            break;
        }
        else if (str[i] !== ' ') {
            spaceStart = false;
            spaceStartPointer = 0;
        }
    }
    return spaceStartPointer === 0 ? 0 : spaceStartPointer - spaceEndPointer;
};