| 1 | export function promise(callback) {
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| 2 | return new Promise((resolve, reject) => {
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| 3 | callback((err, data) => {
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| 4 | if (err) {
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| 5 | reject(err);
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| 6 | }
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| 7 | else {
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| 8 | resolve(data);
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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 | export function streamEnd(input, output) {
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| 15 | return new Promise((resolve, reject) => {
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| 16 | input.on("error", reject);
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| 17 | output.on("error", reject);
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| 18 | output.on("close", resolve);
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| 19 | });
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| 20 | }
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| 21 |
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| 22 | export function arrayToObject(arr) {
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| 23 | const result = { };
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| 24 | for (let i = 0, l = arr.length; i < l; i += 2) {
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| 25 | result[arr[i]] = arr[i + 1];
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| 26 | }
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| 27 | return result;
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| 28 | }
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| 29 |
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| 30 | export function envify(value) {
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| 31 | if (typeof value !== "string") {
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| 32 | throw new Error("Not a string, but " + typeof value);
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| 33 | }
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| 34 |
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| 35 | const complex = value.match(/(\$\{[a-zA-Z_]+[0-9a-zA-Z_]*\})/g);
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| 36 | for (const match of complex || []) {
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| 37 | const env = match.slice(2, -1);
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| 38 | if (process.env.hasOwnProperty(env) === false) {
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| 39 | throw new Error(`Missing environment variable ${env}`);
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| 40 | }
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| 41 | value.split(match).join(process.env[env]);
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| 42 | }
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| 43 |
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| 44 | const simple = value.match(/(\$[a-zA-Z_]+[0-9a-zA-Z_]*)/g);
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| 45 | for (const match of simple || []) {
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| 46 | const env = match.slice(1);
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| 47 | if (process.env.hasOwnProperty(env) === false) {
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| 48 | throw new Error(`Missing environment variable ${env}`);
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| 49 | }
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| 50 | value = value.split(match).join(process.env[env]);
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| 51 | }
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| 52 |
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| 53 | return value;
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| 54 | }
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