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Diffstat (limited to 'dev/lib/handlebars/scripts/print_ast.js')
-rwxr-xr-x | dev/lib/handlebars/scripts/print_ast.js | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/dev/lib/handlebars/scripts/print_ast.js b/dev/lib/handlebars/scripts/print_ast.js deleted file mode 100755 index b97fb5a6..00000000 --- a/dev/lib/handlebars/scripts/print_ast.js +++ /dev/null @@ -1,64 +0,0 @@ -#!/usr/bin/env node -/* - * Elasticsearch B.V licenses this file to you under the MIT License. - * See `packages/kbn-handlebars/LICENSE` for more information. - */ -'use strict'; // eslint-disable-line strict - -const { relative } = require('path'); -const { inspect } = require('util'); - -const { parse } = require('handlebars'); -const argv = require('minimist')(process.argv.slice(2)); - -const DEFAULT_FILTER = 'loc,strip,openStrip,inverseStrip,closeStrip'; - -const filter = argv['show-all'] ? [''] : (argv.filter || DEFAULT_FILTER).split(','); -const hideEmpty = argv['hide-empty'] || false; -const template = argv._[0]; - -if (template === undefined) { - const script = relative(process.cwd(), process.argv[1]); - console.log(`Usage: ${script} [options] <template>`); - console.log(); - console.log('Options:'); - console.log(' --filter=... A comma separated list of keys to filter from the output.'); - console.log(` Default: ${DEFAULT_FILTER}`); - console.log(' --hide-empty Do not display empty properties.'); - console.log(' --show-all Do not filter out any properties. Equivalent to --filter="".'); - console.log(); - console.log('Example:'); - console.log(` ${script} --hide-empty -- 'hello {{name}}'`); - console.log(); - process.exit(1); -} - -console.log(inspect(reduce(parse(template, filter)), { colors: true, depth: null })); - -function reduce(ast) { - if (Array.isArray(ast)) { - for (let i = 0; i < ast.length; i++) { - ast[i] = reduce(ast[i]); - } - } else { - for (const k of filter) { - delete ast[k]; - } - - if (hideEmpty) { - for (const [k, v] of Object.entries(ast)) { - if (v === undefined || v === null || (Array.isArray(v) && v.length === 0)) { - delete ast[k]; - } - } - } - - for (const [k, v] of Object.entries(ast)) { - if (typeof v === 'object' && v !== null) { - ast[k] = reduce(v); - } - } - } - - return ast; -} |