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- "use strict";
- var __importDefault = (this && this.__importDefault) || function (mod) {
- return (mod && mod.__esModule) ? mod : { "default": mod };
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- const assetUrl_1 = __importDefault(require("./templateCompilerModules/assetUrl"));
- const srcset_1 = __importDefault(require("./templateCompilerModules/srcset"));
- const consolidate = require('consolidate');
- const transpile = require('vue-template-es2015-compiler');
- function compileTemplate(options) {
- const { preprocessLang } = options;
- const preprocessor = preprocessLang && consolidate[preprocessLang];
- if (preprocessor) {
- return actuallyCompile(Object.assign({}, options, {
- source: preprocess(options, preprocessor)
- }));
- }
- else if (preprocessLang) {
- return {
- code: `var render = function () {}\n` + `var staticRenderFns = []\n`,
- source: options.source,
- tips: [
- `Component ${options.filename} uses lang ${preprocessLang} for template. Please install the language preprocessor.`
- ],
- errors: [
- `Component ${options.filename} uses lang ${preprocessLang} for template, however it is not installed.`
- ]
- };
- }
- else {
- return actuallyCompile(options);
- }
- }
- exports.compileTemplate = compileTemplate;
- function preprocess(options, preprocessor) {
- const { source, filename, preprocessOptions } = options;
- const finalPreprocessOptions = Object.assign({
- filename
- }, preprocessOptions);
- // Consolidate exposes a callback based API, but the callback is in fact
- // called synchronously for most templating engines. In our case, we have to
- // expose a synchronous API so that it is usable in Jest transforms (which
- // have to be sync because they are applied via Node.js require hooks)
- let res, err;
- preprocessor.render(source, finalPreprocessOptions, (_err, _res) => {
- if (_err)
- err = _err;
- res = _res;
- });
- if (err)
- throw err;
- return res;
- }
- function actuallyCompile(options) {
- const { source, compiler, compilerOptions = {}, transpileOptions = {}, transformAssetUrls, isProduction = process.env.NODE_ENV === 'production', isFunctional = false, optimizeSSR = false, prettify = true } = options;
- const compile = optimizeSSR && compiler.ssrCompile ? compiler.ssrCompile : compiler.compile;
- let finalCompilerOptions = compilerOptions;
- if (transformAssetUrls) {
- const builtInModules = [
- transformAssetUrls === true
- ? assetUrl_1.default()
- : assetUrl_1.default(transformAssetUrls),
- srcset_1.default()
- ];
- finalCompilerOptions = Object.assign({}, compilerOptions, {
- modules: [...builtInModules, ...(compilerOptions.modules || [])]
- });
- }
- const { render, staticRenderFns, tips, errors } = compile(source, finalCompilerOptions);
- if (errors && errors.length) {
- return {
- code: `var render = function () {}\n` + `var staticRenderFns = []\n`,
- source,
- tips,
- errors
- };
- }
- else {
- const finalTranspileOptions = Object.assign({}, transpileOptions, {
- transforms: Object.assign({}, transpileOptions.transforms, {
- stripWithFunctional: isFunctional
- })
- });
- const toFunction = (code) => {
- return `function (${isFunctional ? `_h,_vm` : ``}) {${code}}`;
- };
- // transpile code with vue-template-es2015-compiler, which is a forked
- // version of Buble that applies ES2015 transforms + stripping `with` usage
- let code = transpile(`var __render__ = ${toFunction(render)}\n` +
- `var __staticRenderFns__ = [${staticRenderFns.map(toFunction)}]`, finalTranspileOptions) + `\n`;
- // #23 we use __render__ to avoid `render` not being prefixed by the
- // transpiler when stripping with, but revert it back to `render` to
- // maintain backwards compat
- code = code.replace(/\s__(render|staticRenderFns)__\s/g, ' $1 ');
- if (!isProduction) {
- // mark with stripped (this enables Vue to use correct runtime proxy
- // detection)
- code += `render._withStripped = true`;
- if (prettify) {
- try {
- code = require('prettier').format(code, {
- semi: false,
- parser: 'babel'
- });
- }
- catch (e) {
- tips.push(`Failed to prettify component ${options.filename} template source after compilation.`);
- }
- }
- }
- return {
- code,
- source,
- tips,
- errors
- };
- }
- }
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