77 lines
1.8 KiB
TypeScript
77 lines
1.8 KiB
TypeScript
import { ParserInterface } from './parsers/parser.interface';
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import { PipeParser } from './parsers/pipe.parser';
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import { DirectiveParser } from "./parsers/directive.parser";
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import { ServiceParser } from './parsers/service.parser';
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import { SerializerInterface } from './serializers/serializer.interface';
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import * as lodash from 'lodash';
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import * as glob from 'glob';
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import * as fs from 'fs';
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export class Extractor {
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public parsers: ParserInterface[] = [
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new PipeParser(),
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new ServiceParser(),
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new DirectiveParser()
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];
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public globPatterns: string[] = [
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'/**/*.ts',
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'/**/*.html'
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];
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public messages: string[] = [];
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public constructor(public serializer: SerializerInterface) { }
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/**
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* Extracts messages from paths
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*/
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public extract(dir: string): string[] {
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let messages = [];
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this.globPatterns.forEach(globPattern => {
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const filePaths = glob.sync(dir + globPattern);
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filePaths
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.filter(filePath => fs.statSync(filePath).isFile())
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.forEach(filePath => {
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const result = this._extractMessages(filePath);
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messages = [...messages, ...result];
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});
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});
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return this.messages = lodash.uniq(messages);
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}
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/**
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* Serialize and return output
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*/
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public serialize(): string {
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return this.serializer.serialize(this.messages);
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}
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/**
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* Serialize and save to destination
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*/
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public save(destination: string): string {
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const data = this.serialize();
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fs.writeFileSync(destination, data);
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return data;
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}
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/**
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* Extract messages from file using specialized parser
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*/
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protected _extractMessages(filePath: string): string[] {
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let results = [];
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const contents: string = fs.readFileSync(filePath, 'utf-8');
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this.parsers.forEach((parser: ParserInterface) => {
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results = results.concat(parser.process(contents));
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});
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return results;
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}
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} |