1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = literalTemplate;
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7 |
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8 | var _options = require("./options");
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9 |
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10 | var _parse = _interopRequireDefault(require("./parse"));
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11 |
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12 | var _populate = _interopRequireDefault(require("./populate"));
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13 |
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14 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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15 |
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16 | function literalTemplate(formatter, tpl, opts) {
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17 | const {
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18 | metadata,
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19 | names
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20 | } = buildLiteralData(formatter, tpl, opts);
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21 | return arg => {
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22 | const defaultReplacements = arg.reduce((acc, replacement, i) => {
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23 | acc[names[i]] = replacement;
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24 | return acc;
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25 | }, {});
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26 | return arg => {
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27 | const replacements = (0, _options.normalizeReplacements)(arg);
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28 |
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29 | if (replacements) {
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30 | Object.keys(replacements).forEach(key => {
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31 | if (Object.prototype.hasOwnProperty.call(defaultReplacements, key)) {
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32 | throw new Error("Unexpected replacement overlap.");
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33 | }
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34 | });
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35 | }
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36 |
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37 | return formatter.unwrap((0, _populate.default)(metadata, replacements ? Object.assign(replacements, defaultReplacements) : defaultReplacements));
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38 | };
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39 | };
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40 | }
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41 |
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42 | function buildLiteralData(formatter, tpl, opts) {
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43 | let names;
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44 | let nameSet;
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45 | let metadata;
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46 | let prefix = "";
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47 |
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48 | do {
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49 | prefix += "$";
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50 | const result = buildTemplateCode(tpl, prefix);
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51 | names = result.names;
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52 | nameSet = new Set(names);
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53 | metadata = (0, _parse.default)(formatter, formatter.code(result.code), {
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54 | parser: opts.parser,
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55 | placeholderWhitelist: new Set(result.names.concat(opts.placeholderWhitelist ? Array.from(opts.placeholderWhitelist) : [])),
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56 | placeholderPattern: opts.placeholderPattern,
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57 | preserveComments: opts.preserveComments,
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58 | syntacticPlaceholders: opts.syntacticPlaceholders
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59 | });
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60 | } while (metadata.placeholders.some(placeholder => placeholder.isDuplicate && nameSet.has(placeholder.name)));
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61 |
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62 | return {
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63 | metadata,
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64 | names
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65 | };
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66 | }
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67 |
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68 | function buildTemplateCode(tpl, prefix) {
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69 | const names = [];
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70 | let code = tpl[0];
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71 |
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72 | for (let i = 1; i < tpl.length; i++) {
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73 | const value = `${prefix}${i - 1}`;
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74 | names.push(value);
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75 | code += value + tpl[i];
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76 | }
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77 |
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78 | return {
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79 | names,
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80 | code
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81 | };
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82 | } |
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