| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| exports.default = literalTemplate; |
| |
| var _options = require("./options"); |
| |
| var _parse = _interopRequireDefault(require("./parse")); |
| |
| var _populate = _interopRequireDefault(require("./populate")); |
| |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
| |
| function literalTemplate(formatter, tpl, opts) { |
| const { |
| metadata, |
| names |
| } = buildLiteralData(formatter, tpl, opts); |
| return arg => { |
| const defaultReplacements = arg.reduce((acc, replacement, i) => { |
| acc[names[i]] = replacement; |
| return acc; |
| }, {}); |
| return arg => { |
| const replacements = (0, _options.normalizeReplacements)(arg); |
| |
| if (replacements) { |
| Object.keys(replacements).forEach(key => { |
| if (Object.prototype.hasOwnProperty.call(defaultReplacements, key)) { |
| throw new Error("Unexpected replacement overlap."); |
| } |
| }); |
| } |
| |
| return formatter.unwrap((0, _populate.default)(metadata, replacements ? Object.assign(replacements, defaultReplacements) : defaultReplacements)); |
| }; |
| }; |
| } |
| |
| function buildLiteralData(formatter, tpl, opts) { |
| let names; |
| let nameSet; |
| let metadata; |
| let prefix = ""; |
| |
| do { |
| prefix += "$"; |
| const result = buildTemplateCode(tpl, prefix); |
| names = result.names; |
| nameSet = new Set(names); |
| metadata = (0, _parse.default)(formatter, formatter.code(result.code), { |
| parser: opts.parser, |
| placeholderWhitelist: new Set(result.names.concat(opts.placeholderWhitelist ? Array.from(opts.placeholderWhitelist) : [])), |
| placeholderPattern: opts.placeholderPattern, |
| preserveComments: opts.preserveComments, |
| syntacticPlaceholders: opts.syntacticPlaceholders |
| }); |
| } while (metadata.placeholders.some(placeholder => placeholder.isDuplicate && nameSet.has(placeholder.name))); |
| |
| return { |
| metadata, |
| names |
| }; |
| } |
| |
| function buildTemplateCode(tpl, prefix) { |
| const names = []; |
| let code = tpl[0]; |
| |
| for (let i = 1; i < tpl.length; i++) { |
| const value = `${prefix}${i - 1}`; |
| names.push(value); |
| code += value + tpl[i]; |
| } |
| |
| return { |
| names, |
| code |
| }; |
| } |