Adam Freeman
66 lines
2.5 KiB
JavaScript
66 lines
2.5 KiB
JavaScript
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.registerCustomTemplateEngine = void 0;
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const fs_1 = require("fs");
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const features = __importStar(require("./custom_features"));
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const renderTemplate = (path, context, callback) => {
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(0, fs_1.readFile)(path, (err, data) => {
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if (err != undefined) {
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callback("Cannot generate content", undefined);
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}
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else {
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callback(undefined, parseTemplate(data.toString(), { ...context, features }));
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}
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});
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};
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const parseTemplate = (template, context) => {
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const ctx = Object.keys(context)
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.map((k) => `const ${k} = context.${k}`)
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.join(";");
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const expr = /{{(.*)}}/gm;
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return template.toString().replaceAll(expr, (match, group) => {
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const evalFunc = (expr) => {
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return eval(`${ctx};${expr}`);
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};
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try {
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if (group.trim()[0] === "@") {
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group = `features.${group.trim().substring(1)}`;
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group = group.replace(/\)$/m, ", context, evalFunc)");
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}
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let result = evalFunc(group);
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if (expr.test(result)) {
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result = parseTemplate(result, context);
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}
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return result;
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}
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catch (err) {
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return err;
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}
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});
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};
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const registerCustomTemplateEngine = (expressApp) => expressApp.engine("custom", renderTemplate);
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exports.registerCustomTemplateEngine = registerCustomTemplateEngine;
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