File size: 3,684 Bytes
1e92f2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
// For converting other currencies into USD for tracking purposes.
// Short-term fix, taken from <https://openexchangerates.org/> (last updated 2019-04-10).
const EXCHANGE_RATES = {
	AED: 3.673181,
	AFN: 77.277444,
	ALL: 110.685,
	AMD: 485.718536,
	ANG: 1.857145,
	AOA: 318.1145,
	ARS: 42.996883,
	AUD: 1.39546,
	AWG: 1.801247,
	AZN: 1.7025,
	BAM: 1.73465,
	BBD: 2,
	BDT: 84.350813,
	BGN: 1.7345,
	BHD: 0.377065,
	BIF: 1829.456861,
	BMD: 1,
	BND: 1.350704,
	BOB: 6.910218,
	BRL: 3.825491,
	BSD: 1,
	BTC: 0.000188070491,
	BTN: 69.241,
	BWP: 10.571,
	BYN: 2.12125,
	BZD: 2.01582,
	CAD: 1.331913,
	CDF: 1640.538151,
	CHF: 1.002295,
	CLF: 0.024214,
	CLP: 662.405194,
	CNH: 6.718409,
	CNY: 6.7164,
	COP: 3102.756403,
	CRC: 603.878956,
	CUC: 1,
	CUP: 25.75,
	CVE: 98.34575,
	CZK: 22.699242,
	DJF: 178,
	DKK: 6.620894,
	DOP: 50.601863,
	DZD: 119.094464,
	EGP: 17.321,
	ERN: 14.996695,
	ETB: 28.87,
	EUR: 0.886846,
	FJD: 2.135399,
	FKP: 0.763495,
	GBP: 0.763495,
	GEL: 2.695,
	GGP: 0.763495,
	GHS: 5.18885,
	GIP: 0.763495,
	GMD: 49.5025,
	GNF: 9126.453332,
	GTQ: 7.6503,
	GYD: 207.888008,
	HKD: 7.83635,
	HNL: 24.53,
	HRK: 6.587,
	HTG: 84.642,
	HUF: 285.120971,
	IDR: 14140.665178,
	ILS: 3.57935,
	IMP: 0.763495,
	INR: 69.1502,
	IQD: 1190,
	IRR: 42105,
	ISK: 119.899897,
	JEP: 0.763495,
	JMD: 129.28,
	JOD: 0.709001,
	JPY: 110.9875,
	KES: 101.11,
	KGS: 68.708365,
	KHR: 4021.592884,
	KMF: 437.375,
	KPW: 900,
	KRW: 1137.899434,
	KWD: 0.304268,
	KYD: 0.833459,
	KZT: 378.893401,
	LAK: 8630.377846,
	LBP: 1509.5,
	LKR: 174.733735,
	LRD: 164.499779,
	LSL: 14.1,
	LYD: 1.391411,
	MAD: 9.622,
	MDL: 17.513226,
	MGA: 3642.597503,
	MKD: 54.731723,
	MMK: 1510.092364,
	MNT: 2511.632328,
	MOP: 8.07298,
	MRO: 357,
	MRU: 36.55,
	MUR: 34.9505,
	MVR: 15.424994,
	MWK: 728.565,
	MXN: 18.8201,
	MYR: 4.1106,
	MZN: 64.576343,
	NAD: 14.11,
	NGN: 360.105269,
	NIO: 33.04,
	NOK: 8.49614,
	NPR: 110.785702,
	NZD: 1.47776,
	OMR: 0.38502,
	PAB: 1,
	PEN: 3.294475,
	PGK: 3.374968,
	PHP: 51.872601,
	PKR: 141.62807,
	PLN: 3.79605,
	PYG: 6186.225628,
	QAR: 3.641793,
	RON: 4.217807,
	RSD: 104.64086,
	RUB: 64.2743,
	RWF: 904.135,
	SAR: 3.75,
	SBD: 8.21464,
	SCR: 13.675964,
	SDG: 47.613574,
	SEK: 9.261891,
	SGD: 1.351801,
	SHP: 0.763495,
	SLL: 8390,
	SOS: 578.545,
	SRD: 7.458,
	SSP: 130.2634,
	STD: 21050.59961,
	STN: 21.8,
	SVC: 8.751385,
	SYP: 514.993308,
	SZL: 13.972654,
	THB: 31.75,
	TJS: 9.434819,
	TMT: 3.509961,
	TND: 3.0117,
	TOP: 2.267415,
	TRY: 5.683728,
	TTD: 6.768744,
	TWD: 30.840434,
	TZS: 2315.252864,
	UAH: 26.819481,
	UGX: 3758.198709,
	USD: 1,
	UYU: 33.969037,
	UZS: 8427.57062,
	VEF: 248487.642241,
	VES: 3305.47961,
	VND: 23197.866398,
	VUV: 111.269352,
	WST: 2.607815,
	XAF: 581.732894,
	XAG: 0.06563851,
	XAU: 0.00076444,
	XCD: 2.70255,
	XDR: 0.717354,
	XOF: 581.732894,
	XPD: 0.00071959,
	XPF: 105.828888,
	XPT: 0.00110645,
	YER: 250.35,
	ZAR: 13.909458,
	ZMW: 12.110083,
	ZWL: 322.355011,
};

/**
 * Returns whether a currency is supported
 * @param {string} currency - `USD`, `JPY`, etc
 * @returns {boolean} Whether there's an exchange rate for the currency
 */
function isSupportedCurrency( currency ) {
	return Object.keys( EXCHANGE_RATES ).indexOf( currency ) !== -1;
}

/**
 * Converts a cost into USD
 *
 * Don't rely on this for precise conversions, it's meant to be an estimate for ad tracking purposes
 * @param {number} cost - The cost of the cart or product
 * @param {string} currency - The currency such as `USD`, `JPY`, etc
 * @returns {number|null} Or null if the currency is not supported
 */
export default function costToUSD( cost, currency ) {
	if ( ! isSupportedCurrency( currency ) ) {
		return null;
	}

	return ( cost / EXCHANGE_RATES[ currency ] ).toFixed( 3 );
}