@diplodoc/transform/lib/liquid/sourceMap.js

A simple transformer of text in YFM (Yandex Flavored Markdown) to HTML

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getLineNumber = getLineNumber;
exports.prepareSourceMap = prepareSourceMap;
exports.createSourceMapApi = createSourceMapApi;
const invert_1 = __importDefault(require("lodash/invert"));
const DELETED_LINE = Number.MIN_SAFE_INTEGER;
function getLineNumber(input, index) {
    return input.substring(0, index).split('\n').length;
}
function prepareSourceMap(sourceMap) {
    const newToOldMap = (0, invert_1.default)(sourceMap);
    delete newToOldMap[DELETED_LINE];
    return newToOldMap;
}
function createSourceMapApi(sourceMap) {
    const newToOldIndexes = (0, invert_1.default)(sourceMap);
    const getOriginIndex = (i) => Number(newToOldIndexes[i]);
    const setSourceMapValue = (i, value) => {
        sourceMap[getOriginIndex(i)] = value;
    };
    const getSourceMapValue = (i) => sourceMap[getOriginIndex(i)];
    const moveLines = ({ start, end, offset, withReplace = false }) => {
        for (let i = start; i <= end; i++) {
            const newLineNumber = i + offset;
            setSourceMapValue(i, newLineNumber);
            if (withReplace) {
                setSourceMapValue(newLineNumber, DELETED_LINE);
            }
        }
    };
    const removeLine = (i) => {
        setSourceMapValue(i, DELETED_LINE);
    };
    const removeLines = ({ start, end }) => {
        for (let i = start; i <= end; i++) {
            removeLine(i);
        }
    };
    return {
        getSourceMapValue,
        moveLines,
        removeLines,
        removeLine,
    };
}
//# sourceMappingURL=sourceMap.js.map