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