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‎api/src/bundler/index.ts

Lines changed: 179 additions & 179 deletions
Original file line numberDiff line numberDiff line change
@@ -7,195 +7,195 @@ import { parseMdx } from "./mdx";
77
import type { HeadingNode } from "./plugins/rehype-headings";
88

99
export const ERROR_CODES = {
10-
REPO_NOT_FOUND: "REPO_NOT_FOUND",
11-
FILE_NOT_FOUND: "FILE_NOT_FOUND",
12-
BUNDLE_ERROR: "BUNDLE_ERROR",
10+
REPO_NOT_FOUND: "REPO_NOT_FOUND",
11+
FILE_NOT_FOUND: "FILE_NOT_FOUND",
12+
BUNDLE_ERROR: "BUNDLE_ERROR",
1313
} as const;
1414

1515
type Source = {
16-
type: "PR" | "commit" | "branch";
17-
owner: string;
18-
repository: string;
19-
ref?: string;
16+
type: "PR" | "commit" | "branch";
17+
owner: string;
18+
repository: string;
19+
ref?: string;
2020
};
2121

2222
export type BundlerOutput = {
23-
source: Source;
24-
ref: string;
25-
stars: number;
26-
forks: number;
27-
private: boolean;
28-
baseBranch: string;
29-
path: string;
30-
config: Config;
31-
markdown: string;
32-
headings: HeadingNode[];
33-
frontmatter: Record<string, unknown>;
34-
code: string;
23+
source: Source;
24+
ref: string;
25+
stars: number;
26+
forks: number;
27+
private: boolean;
28+
baseBranch: string;
29+
path: string;
30+
config: Config;
31+
markdown: string;
32+
headings: HeadingNode[];
33+
frontmatter: Record<string, unknown>;
34+
code: string;
3535
};
3636

3737
type CreateBundlerParams = {
38-
// The owner of the repository to bundle.
39-
owner: string;
40-
// The repository to bundle.
41-
repository: string;
42-
// The path to file in the repository to bundle.
43-
path: string;
44-
// An optional ref to use for the content.
45-
ref?: string;
46-
// A list of components which are supported for bundling.
47-
components?: Array<string>;
38+
// The owner of the repository to bundle.
39+
owner: string;
40+
// The repository to bundle.
41+
repository: string;
42+
// The path to file in the repository to bundle.
43+
path: string;
44+
// An optional ref to use for the content.
45+
ref?: string;
46+
// A list of components which are supported for bundling.
47+
components?: Array<string>;
4848
};
4949

5050
export class Bundler {
51-
readonly #owner: string;
52-
readonly #repository: string;
53-
readonly #path: string;
54-
readonly #components: Array<string>;
55-
#ref: string | undefined;
56-
#source?: Source;
57-
#config?: Config;
58-
#markdown?: string;
59-
60-
constructor(params: CreateBundlerParams) {
61-
this.#owner = params.owner;
62-
this.#repository = params.repository;
63-
this.#path = params.path;
64-
this.#ref = params.ref;
65-
this.#components = params.components || [];
66-
}
67-
68-
/**
69-
* Gets the source of the bundle.
70-
*
71-
* If the ref is a PR, it will fetch the PR metadata and update the source.
72-
*/
73-
private async getSource(): Promise<Source> {
74-
if (this.#ref) {
75-
// If the ref is a PR
76-
if (/^[0-9]*$/.test(this.#ref)) {
77-
const pullRequest = await getPullRequestMetadata(
78-
this.#owner,
79-
this.#repository,
80-
this.#ref
81-
);
82-
if (pullRequest) {
83-
return {
84-
type: "PR",
85-
...pullRequest,
86-
};
87-
}
88-
}
89-
90-
// If the ref is a commit hash
91-
if (/^[a-fA-F0-9]{40}$/.test(this.#ref)) {
92-
return {
93-
type: "commit",
94-
owner: this.#owner,
95-
repository: this.#repository,
96-
ref: this.#ref,
97-
};
98-
}
99-
}
100-
101-
return {
102-
type: "branch",
103-
owner: this.#owner,
104-
repository: this.#repository,
105-
ref: this.#ref,
106-
};
107-
}
108-
109-
/**
110-
* Builds the payload with the MDX bundle.
111-
*/
112-
async build(): Promise<BundlerOutput> {
113-
// Get the real source of the request
114-
this.#source = await this.getSource();
115-
116-
// Update the ref to the real ref
117-
this.#ref = this.#source.ref;
118-
119-
const metadata = await getGitHubContents({
120-
owner: this.#source.owner,
121-
repository: this.#source.repository,
122-
path: this.#path,
123-
ref: this.#ref,
124-
});
125-
126-
if (!metadata) {
127-
throw new BundlerError({
128-
code: 404,
129-
name: ERROR_CODES.REPO_NOT_FOUND,
130-
message: `The repository ${this.#source.owner}/${
131-
this.#source.repository
132-
} was not found.`,
133-
});
134-
}
135-
136-
if (!metadata.md) {
137-
throw new BundlerError({
138-
code: 404,
139-
name: ERROR_CODES.FILE_NOT_FOUND,
140-
message: `No file was found in the repository matching this path. Ensure a file exists at <code>/docs/${
141-
this.#path
142-
}.mdx<code> or <code>/docs/${this.#path}/index.mdx<code>.`,
143-
source: `https://github.com/${this.#source.owner}/${
144-
this.#source.repository
145-
}`,
146-
});
147-
}
148-
149-
this.#markdown = metadata.md;
150-
151-
// If there is no ref (either not provided, or not a PR), use the metadata.
152-
if (!this.#ref) {
153-
this.#ref = metadata.baseBranch;
154-
this.#source.ref = metadata.baseBranch;
155-
}
156-
157-
// Parse the users config, but fallback if it errors.
158-
try {
159-
this.#config = parseConfig({
160-
json: metadata.config.configJson,
161-
yaml: metadata.config.configYaml,
162-
});
163-
} catch {
164-
this.#config = defaultConfig;
165-
}
166-
167-
try {
168-
// Bundle the markdown file via MDX.
169-
const mdx = await parseMdx(this.#markdown, {
170-
headerDepth: this.#config.content?.headerDepth ?? 3,
171-
components: this.#components,
172-
});
173-
174-
return {
175-
source: this.#source,
176-
ref: this.#ref,
177-
stars: metadata.stars,
178-
forks: metadata.forks,
179-
private: metadata.isPrivate,
180-
baseBranch: metadata.baseBranch,
181-
path: this.#path,
182-
config: this.#config,
183-
markdown: this.#markdown,
184-
headings: mdx.headings,
185-
frontmatter: mdx.frontmatter,
186-
code: replaceMoustacheVariables(this.#config.variables ?? {}, mdx.code),
187-
};
188-
} catch (e) {
189-
console.error(e);
190-
// @ts-ignore
191-
throw new BundlerError({
192-
code: 500,
193-
name: ERROR_CODES.BUNDLE_ERROR,
194-
message: `Something went wrong while bundling the file /${metadata.path}.mdx. Are you sure the MDX is valid?`,
195-
source: `https://github.com/${this.#source.owner}/${
196-
this.#source.repository
197-
}`,
198-
});
199-
}
200-
}
51+
readonly #owner: string;
52+
readonly #repository: string;
53+
readonly #path: string;
54+
readonly #components: Array<string>;
55+
#ref: string | undefined;
56+
#source?: Source;
57+
#config?: Config;
58+
#markdown?: string;
59+
60+
constructor(params: CreateBundlerParams) {
61+
this.#owner = params.owner;
62+
this.#repository = params.repository;
63+
this.#path = params.path;
64+
this.#ref = params.ref;
65+
this.#components = params.components || [];
66+
}
67+
68+
/**
69+
* Gets the source of the bundle.
70+
*
71+
* If the ref is a PR, it will fetch the PR metadata and update the source.
72+
*/
73+
private async getSource(): Promise<Source> {
74+
if (this.#ref) {
75+
// If the ref is a PR
76+
if (/^[0-9]*$/.test(this.#ref)) {
77+
const pullRequest = await getPullRequestMetadata(
78+
this.#owner,
79+
this.#repository,
80+
this.#ref,
81+
);
82+
if (pullRequest) {
83+
return {
84+
type: "PR",
85+
...pullRequest,
86+
};
87+
}
88+
}
89+
90+
// If the ref is a commit hash
91+
if (/^[a-fA-F0-9]{40}$/.test(this.#ref)) {
92+
return {
93+
type: "commit",
94+
owner: this.#owner,
95+
repository: this.#repository,
96+
ref: this.#ref,
97+
};
98+
}
99+
}
100+
101+
return {
102+
type: "branch",
103+
owner: this.#owner,
104+
repository: this.#repository,
105+
ref: this.#ref,
106+
};
107+
}
108+
109+
/**
110+
* Builds the payload with the MDX bundle.
111+
*/
112+
async build(): Promise<BundlerOutput> {
113+
// Get the real source of the request
114+
this.#source = await this.getSource();
115+
116+
// Update the ref to the real ref
117+
this.#ref = this.#source.ref;
118+
119+
const metadata = await getGitHubContents({
120+
owner: this.#source.owner,
121+
repository: this.#source.repository,
122+
path: this.#path,
123+
ref: this.#ref,
124+
});
125+
126+
if (!metadata) {
127+
throw new BundlerError({
128+
code: 404,
129+
name: ERROR_CODES.REPO_NOT_FOUND,
130+
message: `The repository ${this.#source.owner}/${
131+
this.#source.repository
132+
} was not found.`,
133+
});
134+
}
135+
136+
if (!metadata.md) {
137+
throw new BundlerError({
138+
code: 404,
139+
name: ERROR_CODES.FILE_NOT_FOUND,
140+
message: `No file was found in the repository matching this path. Ensure a file exists at <code>/docs/${
141+
this.#path
142+
}.mdx<code> or <code>/docs/${this.#path}/index.mdx<code>.`,
143+
source: `https://github.com/${this.#source.owner}/${
144+
this.#source.repository
145+
}`,
146+
});
147+
}
148+
149+
this.#markdown = metadata.md;
150+
151+
// If there is no ref (either not provided, or not a PR), use the metadata.
152+
if (!this.#ref) {
153+
this.#ref = metadata.baseBranch;
154+
this.#source.ref = metadata.baseBranch;
155+
}
156+
157+
// Parse the users config, but fallback if it errors.
158+
try {
159+
this.#config = parseConfig({
160+
json: metadata.config.configJson,
161+
yaml: metadata.config.configYaml,
162+
});
163+
} catch {
164+
this.#config = defaultConfig;
165+
}
166+
167+
try {
168+
// Bundle the markdown file via MDX.
169+
const mdx = await parseMdx(this.#markdown, {
170+
headerDepth: this.#config.content?.headerDepth ?? 3,
171+
components: this.#components,
172+
});
173+
174+
return {
175+
source: this.#source,
176+
ref: this.#ref,
177+
stars: metadata.stars,
178+
forks: metadata.forks,
179+
private: metadata.isPrivate,
180+
baseBranch: metadata.baseBranch,
181+
path: this.#path,
182+
config: this.#config,
183+
markdown: this.#markdown,
184+
headings: mdx.headings,
185+
frontmatter: mdx.frontmatter,
186+
code: replaceMoustacheVariables(this.#config.variables ?? {}, mdx.code),
187+
};
188+
} catch (e) {
189+
console.error(e);
190+
// @ts-ignore
191+
throw new BundlerError({
192+
code: 500,
193+
name: ERROR_CODES.BUNDLE_ERROR,
194+
message: `Something went wrong while bundling the file /${metadata.path}.mdx. Are you sure the MDX is valid?`,
195+
source: `https://github.com/${this.#source.owner}/${
196+
this.#source.repository
197+
}`,
198+
});
199+
}
200+
}
201201
}

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