travel/admin/node_modules/svg-sprite-loader/lib/runtime-generator.js

54 lines
1.7 KiB
JavaScript

const { stringifyRequest } = require('loader-utils');
const {
stringify,
stringifySymbol,
generateImport,
generateExport,
generateSpritePlaceholder
} = require('./utils');
/**
* @param {Object} params
* @param {SpriteSymbol} params.symbol - Sprite symbol instance {@see https://git.io/v9k8g}
* @param {SVGSpriteLoaderConfig} params.config - Parsed loader config
* @param {string} params.context - Context folder of current processing module
* @param {Object} params.loaderContext {@see https://webpack.js.org/api/loaders/#the-loader-context}
* @return {string}
*/
function runtimeGenerator(params) {
const { symbol, config, context } = params;
const { extract, esModule, spriteModule, symbolModule, runtimeCompat, publicPath } = config;
let runtime;
if (extract) {
const spritePlaceholder = generateSpritePlaceholder(symbol.request.file);
const path = stringify(publicPath) || '__webpack_public_path__';
const data = `{
id: ${stringify(symbol.useId)},
viewBox: ${stringify(symbol.viewBox)},
url: ${path} + ${stringify(spritePlaceholder)},
toString: function () {
return this.url;
}
}`;
runtime = generateExport(data, esModule);
} else {
const spriteModuleImport = stringifyRequest({ context }, spriteModule);
const symbolModuleImport = stringifyRequest({ context }, symbolModule);
runtime = [
generateImport('SpriteSymbol', symbolModuleImport, esModule),
generateImport('sprite', spriteModuleImport, esModule),
`var symbol = new SpriteSymbol(${stringifySymbol(symbol)})`,
'var result = sprite.add(symbol)',
generateExport(runtimeCompat ? '"#" + symbol.id' : 'symbol', esModule)
].join(';\n');
}
return runtime;
}
module.exports = runtimeGenerator;