mathpix-markdown-it/lib/helpers/parze_link_destination.js

Mathpix-markdown-it is an open source implementation of the mathpix-markdown spec written in Typescript. It relies on the following open source libraries: MathJax v3 (to render math with SVGs), markdown-it (for standard Markdown parsing)

// Parse link destination
//
'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseLinkDestination = void 0;
var unescapeAll = require('markdown-it/lib/common/utils').unescapeAll;
function parseLinkDestination(str, pos, max) {
    var code, level, lines = 0, start = pos, result = {
        ok: false,
        pos: 0,
        lines: 0,
        str: ''
    };
    if (str.charCodeAt(pos) === 0x3C /* < */) {
        pos++;
        while (pos < max) {
            code = str.charCodeAt(pos);
            if (code === 0x0A /* \n */) {
                return result;
            }
            if (code === 0x3E /* > */) {
                result.pos = pos + 1;
                result.str = unescapeAll(str.slice(start + 1, pos));
                result.ok = true;
                return result;
            }
            if (code === 0x5C /* \ */ && pos + 1 < max) {
                pos += 2;
                continue;
            }
            pos++;
        }
        // no closing '>'
        return result;
    }
    // this should be ... } else { ... branch
    level = 0;
    var hasPoint = false;
    var beforeCode = -1;
    while (pos < max) {
        code = str.charCodeAt(pos);
        if (code === 0x20 /* space */ && hasPoint) {
            break;
        }
        if (code === 0x2E /* . */) {
            if (beforeCode !== -1 && beforeCode !== 0x2E /* . */ && beforeCode !== 0x2F /* / */) {
                hasPoint = true;
            }
        }
        // ascii control characters
        if (code < 0x20 || code === 0x7F) {
            break;
        }
        if (code === 0x5C /* \ */ && pos + 1 < max) {
            pos += 2;
            continue;
        }
        if (code === 0x28 /* ( */) {
            level++;
        }
        if (code === 0x29 /* ) */) {
            if (level === 0) {
                break;
            }
            level--;
        }
        pos++;
        beforeCode = code;
    }
    if (start === pos) {
        return result;
    }
    if (level !== 0) {
        return result;
    }
    result.str = unescapeAll(str.slice(start, pos));
    result.lines = lines;
    result.pos = pos;
    result.ok = true;
    return result;
}
exports.parseLinkDestination = parseLinkDestination;
;
//# sourceMappingURL=parze_link_destination.js.map