mirror of https://github.com/sveltejs/svelte
Rich Harris
7 years ago
committed by
GitHub
commit
d27e4734d5
@ -1,95 +0,0 @@
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import deindent from '../../../utils/deindent';
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import getGlobals from './getGlobals';
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import { CompileOptions, ModuleFormat, Node } from '../../../interfaces';
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export default function getIntro(
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format: ModuleFormat,
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options: CompileOptions,
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imports: Node[]
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) {
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if (format === 'es') return '';
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if (format === 'amd') return getAmdIntro(options, imports);
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if (format === 'cjs') return getCjsIntro(options, imports);
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if (format === 'iife') return getIifeIntro(options, imports);
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if (format === 'umd') return getUmdIntro(options, imports);
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if (format === 'eval') return getEvalIntro(options, imports);
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throw new Error(`Not implemented: ${format}`);
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}
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function getAmdIntro(options: CompileOptions, imports: Node[]) {
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const sourceString = imports.length
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? `[${imports
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.map(declaration => `'${removeExtension(declaration.source.value)}'`)
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.join(', ')}], `
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: '';
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const id = options.amd && options.amd.id;
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return `define(${id
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? `"${id}", `
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: ''}${sourceString}function(${paramString(imports)}) { 'use strict';\n\n`;
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}
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function getCjsIntro(options: CompileOptions, imports: Node[]) {
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const requireBlock = imports
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.map(
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declaration =>
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`var ${declaration.name} = require('${declaration.source.value}');`
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)
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.join('\n\n');
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if (requireBlock) {
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return `'use strict';\n\n${requireBlock}\n\n`;
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}
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return `'use strict';\n\n`;
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}
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function getIifeIntro(options: CompileOptions, imports: Node[]) {
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if (!options.name) {
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throw new Error(`Missing required 'name' option for IIFE export`);
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}
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return `var ${options.name} = (function(${paramString(imports)}) { 'use strict';\n\n`;
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}
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function getUmdIntro(options: CompileOptions, imports: Node[]) {
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if (!options.name) {
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throw new Error(`Missing required 'name' option for UMD export`);
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}
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const amdId = options.amd && options.amd.id ? `'${options.amd.id}', ` : '';
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const amdDeps = imports.length
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? `[${imports
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.map(declaration => `'${removeExtension(declaration.source.value)}'`)
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.join(', ')}], `
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: '';
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const cjsDeps = imports
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.map(declaration => `require('${declaration.source.value}')`)
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.join(', ');
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const globalDeps = getGlobals(imports, options);
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return (
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deindent`
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(function(global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(${cjsDeps}) :
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typeof define === 'function' && define.amd ? define(${amdId}${amdDeps}factory) :
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(global.${options.name} = factory(${globalDeps}));
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}(this, (function (${paramString(imports)}) { 'use strict';` + '\n\n'
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);
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}
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function getEvalIntro(options: CompileOptions, imports: Node[]) {
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return `(function (${paramString(imports)}) { 'use strict';\n\n`;
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}
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function paramString(imports: Node[]) {
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return imports.map(dep => dep.name).join(', ');
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}
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function removeExtension(file: string) {
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const index = file.lastIndexOf('.');
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return ~index ? file.slice(0, index) : file;
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}
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@ -1,37 +0,0 @@
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import getGlobals from './getGlobals';
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import { CompileOptions, Node } from '../../../interfaces';
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export default function getOutro(
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format: string,
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name: string,
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options: CompileOptions,
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imports: Node[]
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) {
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if (format === 'es') {
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return `export default ${name};`;
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}
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if (format === 'amd') {
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return `return ${name};\n\n});`;
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}
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if (format === 'cjs') {
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return `module.exports = ${name};`;
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}
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if (format === 'iife') {
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const globals = getGlobals(imports, options);
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return `return ${name};\n\n}(${globals.join(', ')}));`;
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}
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if (format === 'eval') {
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const globals = getGlobals(imports, options);
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return `return ${name};\n\n}(${globals.join(', ')}));`;
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}
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if (format === 'umd') {
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return `return ${name};\n\n})));`;
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}
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throw new Error(`Not implemented: ${format}`);
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}
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