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