1 | "use strict";
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2 |
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3 | var ensureString = require("type/string/ensure")
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4 | , toShortString = require("type/lib/to-short-string")
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5 | , identity = require("es5-ext/function/identity")
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6 | , assign = require("es5-ext/object/assign")
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7 | , objToArray = require("es5-ext/object/to-array")
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8 | , d = require("d")
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9 | , lazy = require("d/lazy")
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10 | , emitter = require("../../emitter")
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11 | , isNamespaceToken = require("../is-namespace-token");
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12 |
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13 | module.exports = assign(
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14 | {
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15 |
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16 | get: d(function (namespace) {
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17 | namespace = ensureString(namespace);
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18 | var namespaceTokens = namespace.split(":");
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19 | namespaceTokens.forEach(function (namespaceToken) {
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20 | if (!isNamespaceToken(namespaceToken)) {
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21 | throw new TypeError(
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22 | toShortString(namespace) +
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23 | " is not a valid namespace string " +
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24 | "(only 'a-z0-9-' chars are allowed and ':' as delimiter)"
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25 | );
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26 | }
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27 | });
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28 | return namespaceTokens.reduce(function (currentLogger, token) {
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29 | return currentLogger._createNamespace(token);
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30 | }, this);
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31 | }),
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32 | isNamespaceInitialized: d("e", function (namespace) {
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33 | var namespaceTokens = ensureString(namespace).split(":");
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34 | var currentLogger = this;
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35 | return namespaceTokens.every(function (nsToken) {
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36 | return (currentLogger = currentLogger._childNamespaceLoggers[nsToken]);
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37 | });
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38 | }),
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39 |
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40 | getAllInitializedNamespaces: d("e", function () {
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41 | return objToArray(this._childNamespaceLoggers, identity);
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42 | }),
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43 |
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44 | _createNamespace: d(function (namespaceToken) {
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45 | if (this._childNamespaceLoggers[namespaceToken]) {
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46 | return this._childNamespaceLoggers[namespaceToken];
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47 | }
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48 | var logger = Object.defineProperties(this._createLogger(), {
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49 | _namespaceToken: d("", namespaceToken)
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50 | });
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51 | this._childNamespaceLoggers[namespaceToken] = logger;
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52 | emitter.emit("init", { logger: logger });
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53 | return logger;
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54 | }),
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55 |
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56 | _namespaceToken: d("", null)
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57 | },
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58 | lazy({
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59 |
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60 | namespace: d("e", function () { return this.namespaceTokens.join(":") || null; }, {
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61 | cacheName: "_namespace"
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62 | }),
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63 |
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64 |
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65 | namespaceTokens: d(
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66 | "e",
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67 | function () {
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68 | return this._namespaceToken
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69 | ? Object.getPrototypeOf(this).namespaceTokens.concat(this._namespaceToken)
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70 | : [];
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71 | },
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72 | { cacheName: "_namespaceTokens" }
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73 | ),
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74 |
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75 |
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76 | _childNamespaceLoggers: d("", function () { return Object.create(null); }, {
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77 | cacheName: "__childNamespaceLoggers"
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78 | })
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79 | })
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80 | );
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