1 | import path from 'path';
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2 |
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3 | import { FileDescription, MutateDescription } from '@stryker-mutator/api/src/core';
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4 | import { File } from '@stryker-mutator/instrumenter';
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5 | import { I } from '@stryker-mutator/util';
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6 |
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7 | import { FileSystem } from './file-system.js';
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8 |
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9 |
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10 |
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11 |
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12 |
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13 |
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14 |
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15 | export class ProjectFile implements FileDescription {
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16 | #currentContent: string | undefined;
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17 | #originalContent: string | undefined;
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18 | #relativePath: string;
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19 |
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20 | constructor(private readonly fs: I<FileSystem>, private readonly name: string, public mutate: MutateDescription) {
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21 | this.#relativePath = path.relative(process.cwd(), this.name);
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22 | }
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23 |
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24 | async #writeTo(to: string): Promise<void> {
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25 | if (this.#currentContent === undefined) {
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26 | await this.fs.copyFile(this.name, to);
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27 | } else {
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28 | await this.fs.writeFile(to, this.#currentContent, 'utf-8');
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29 | }
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30 | }
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31 |
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32 | public setContent(content: string): void {
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33 | this.#currentContent = content;
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34 | }
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35 |
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36 | public async toInstrumenterFile(): Promise<File> {
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37 | return {
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38 | content: await this.readContent(),
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39 | mutate: this.mutate,
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40 | name: this.name,
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41 | };
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42 | }
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43 |
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44 | public async readContent(): Promise<string> {
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45 | if (this.#currentContent === undefined) {
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46 | this.#currentContent = await this.readOriginal();
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47 | }
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48 | return this.#currentContent;
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49 | }
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50 |
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51 | public async readOriginal(): Promise<string> {
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52 | if (this.#originalContent === undefined) {
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53 | this.#originalContent = await this.fs.readFile(this.name, 'utf-8');
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54 | if (this.#currentContent === undefined) {
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55 | this.#currentContent = this.#originalContent;
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56 | }
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57 | }
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58 | return this.#originalContent;
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59 | }
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60 |
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61 | public async writeInPlace(): Promise<void> {
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62 | if (this.#currentContent !== undefined && this.hasChanges) {
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63 | await this.fs.writeFile(this.name, this.#currentContent, 'utf-8');
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64 | }
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65 | }
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66 |
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67 | public async writeToSandbox(sandboxDir: string): Promise<string> {
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68 | const folderName = path.join(sandboxDir, path.dirname(this.#relativePath));
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69 | const targetFileName = path.join(folderName, path.basename(this.#relativePath));
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70 | await this.fs.mkdir(path.dirname(targetFileName), { recursive: true });
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71 | await this.#writeTo(targetFileName);
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72 | return targetFileName;
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73 | }
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74 |
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75 | public async backupTo(backupDir: string): Promise<string> {
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76 | const backupFileName = path.join(backupDir, this.#relativePath);
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77 | await this.fs.mkdir(path.dirname(backupFileName), { recursive: true });
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78 | if (this.#originalContent === undefined) {
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79 | await this.fs.copyFile(this.name, backupFileName);
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80 | } else {
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81 | await this.fs.writeFile(backupFileName, this.#originalContent);
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82 | }
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83 | return backupFileName;
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84 | }
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85 |
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86 | public get hasChanges(): boolean {
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87 | return this.#currentContent !== this.#originalContent;
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88 | }
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89 | }
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