82 lines
2.4 KiB
JavaScript
82 lines
2.4 KiB
JavaScript
var path = require('path');
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var utils = require('./utils');
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const PLUGIN_NAME = 'filer-webpack-plugin';
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const OPTIONS_SCHEMA = require('./schema');
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const OPTIONS_PROCESSORS = require('./processors');
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module.exports = class FilerWebpackPlugin {
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constructor(options = {}) {
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utils.validateOptions(options, OPTIONS_SCHEMA);
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this.options = utils.processOptions(options, OPTIONS_PROCESSORS);
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}
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apply(compiler) {
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compiler.hooks.normalModuleFactory.tap(
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PLUGIN_NAME,
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(factory) => {
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factory.hooks.resolve.tap(
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PLUGIN_NAME,
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(resolveData) => {
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// Resolve fsProvider if required
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if (
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resolveData.request === 'fsProvider'
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&& resolveData.context === this.options.shimsDir
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) {
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return this.resolveFsProvider(resolveData);
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}
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// Ignore filer files (these should resolve modules normally)
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if (resolveData.context.startsWith(this.options.filerDir)) return;
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// Apply fs, path and buffer shims if required
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switch (resolveData.request) {
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case 'fs':
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if (!this.options.shimFs) return;
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return this.applyFsShim(resolveData);
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case 'path':
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if (!this.options.shimPath) return;
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return this.applyPathShim(resolveData);
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default:
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return;
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}
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}
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);
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},
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);
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}
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resolveFsProvider(resolveData) {
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switch (this.options.fsProvider) {
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case 'default':
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resolveData.request = path.join(this.options.fsProviderDir, 'default.js');
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break;
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case 'indexeddb':
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resolveData.request = path.join(this.options.fsProviderDir, 'indexeddb.js');
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break;
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case 'memory':
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resolveData.request = path.join(this.options.fsProviderDir, 'memory.js');
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break;
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case 'custom':
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resolveData.request = path.join(this.options.fsProviderDir, 'custom.js');
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break;
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default:
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throw new Error([
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'Invalid option for fsProvider.',
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'fsProvider must be one of \'default\', \'indexeddb\', \'memory\' or \'custom\'.',
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'If using a custom fsProvider, you must also provide the fsProviderDir option.'
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].join(' '));
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}
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}
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applyFsShim(resolveData) {
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resolveData.request = path.join(this.options.shimsDir, 'fs.js');
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}
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applyPathShim(resolveData) {
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resolveData.request = path.join(this.options.shimsDir, 'path.js');
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}
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};
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