knip/dist/YamlCatalogPeeker.js

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

import { DEFAULT_CATALOG } from './util/catalog.js';
function matchesKey(line, indent, key) {
    return (line.startsWith(`${indent}${key}:`) ||
        line.startsWith(`${indent}"${key}":`) ||
        line.startsWith(`${indent}'${key}':`));
}
export class YamlCatalogPeeker {
    fileContent;
    lines = [];
    sections = {};
    ready = false;
    constructor(fileContent) {
        this.fileContent = fileContent;
    }
    init() {
        this.lines = this.fileContent.split('\n');
        for (let i = 0; i < this.lines.length; i++) {
            const line = this.lines[i];
            if (line.startsWith('catalog:')) {
                this.sections.catalog = i;
            }
            else if (line.startsWith('catalogs:')) {
                this.sections.catalogs = i;
            }
        }
        this.ready = true;
    }
    getLocation(parentSymbol, symbol) {
        if (!this.ready)
            this.init();
        const isDefault = parentSymbol === DEFAULT_CATALOG;
        const startLine = this.sections[isDefault ? 'catalog' : 'catalogs'];
        if (typeof startLine === 'undefined')
            return;
        if (isDefault) {
            for (let i = startLine + 1; i < this.lines.length; i++) {
                const line = this.lines[i];
                if (!line.startsWith('  '))
                    break;
                if (matchesKey(line, '  ', symbol)) {
                    return { line: i + 1, col: line.indexOf(symbol) + 1 };
                }
            }
        }
        else {
            let inTargetCatalog = false;
            for (let i = startLine + 1; i < this.lines.length; i++) {
                const line = this.lines[i];
                if (!line.startsWith('  '))
                    break;
                if (matchesKey(line, '  ', parentSymbol)) {
                    inTargetCatalog = true;
                }
                else if (inTargetCatalog) {
                    if (!line.startsWith('    ')) {
                        inTargetCatalog = false;
                        continue;
                    }
                    if (matchesKey(line, '    ', symbol)) {
                        return { line: i + 1, col: line.indexOf(symbol) + 1 };
                    }
                }
            }
        }
    }
}