/
BrowserPlatformTools.template
173 lines (143 loc) · 5.04 KB
/
BrowserPlatformTools.template
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/**
* Browser's implementation of the platform-specific tools.
*
* This file gonna replace PlatformTools for browser environment.
* For node.js environment this class is not getting packaged.
* Don't use methods of this class in the code, use PlatformTools methods instead.
*/
export class PlatformTools {
/**
* Type of the currently running platform.
*/
static type: "browser"|"node" = "browser";
/**
* Gets global variable where global stuff can be stored.
*/
static getGlobalVariable(): any {
if (typeof window !== "undefined") {
return window
} else {
// NativeScript uses global, not window
return global
}
}
/**
* Loads ("require"-s) given file or package.
* This operation only supports on node platform
*/
static load(name: string): any {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: require("${name}").`);
return "";
}
/**
* Normalizes given path. Does "path.normalize".
*/
static pathNormalize(pathStr: string): string {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: path.normalize("${pathStr}").`);
return "";
}
/**
* Gets file extension. Does "path.extname".
*/
static pathExtname(pathStr: string): string {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: path.extname("${pathStr}").`);
return "";
}
/**
* Resolved given path. Does "path.resolve".
*/
static pathResolve(pathStr: string): string {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: path.resolve("${pathStr}").`);
return "";
}
/**
* Synchronously checks if file exist. Does "fs.existsSync".
*/
static fileExist(pathStr: string): boolean {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: fs.existsSync("${pathStr}").`);
return false;
}
static dotenv(pathStr: string): void {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: dotenv.config({ path: "${pathStr}" }).`);
}
/**
* Gets environment variable.
*/
static getEnvVariable(name: string): any {
// if (this.type === "browser")
// throw new Error(`This option/function is not supported in the browser environment. Failed operation: process.env["${name}"].`);
return undefined;
}
static readFileSync(filename: string): any {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: fs.readFileSync("${filename}").`);
return null;
}
static appendFileSync(filename: string, data: any) {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: fs.appendFileSync("${filename}").`);
}
static writeFile(path: string, data: any): Promise<void> {
if (this.type === "browser")
throw new Error(`This option/function is not supported in the browser environment. Failed operation: fs.writeFile("${path}").`);
return Promise.reject(null);
}
/**
* Highlights sql string to be print in the console.
*/
static highlightSql(sql: string) {
return sql;
}
/**
* Highlights json string to be print in the console.
*/
static highlightJson(json: string) {
return json;
}
/**
* Logging functions needed by AdvancedConsoleLogger (but here without chalk)
*/
static logInfo(prefix: string, info: any) {
console.info(prefix + " ", info);
}
static logError(prefix: string, error: any) {
console.error(prefix + " ", error);
}
static logWarn(prefix: string, warning: any) {
console.warn(prefix + " ", warning);
}
static log(message: string) {
console.log(message);
}
static warn(message: string) {
return message;
}
}
/**
* These classes are needed for stream operations or
* in the mongodb driver. Both aren't supported in the browser.
*/
export class EventEmitter {}
export class Readable {}
export class Writable {}
export interface ReadStream {}
/**
* This loads a polyfill to enable Buffers in the browser.
*/
interface Window {
Buffer: any;
}
declare var window: Window;
if (typeof window !== "undefined") {
window.Buffer = require("buffer/").Buffer;
}
// NativeScript uses global, not window
if (typeof global !== "undefined") {
global.Buffer = require("buffer/").Buffer;
}