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39
node_modules/pupa/index.js
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39
node_modules/pupa/index.js
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'use strict';
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const {htmlEscape} = require('escape-goat');
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module.exports = (template, data) => {
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if (typeof template !== 'string') {
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throw new TypeError(`Expected a \`string\` in the first argument, got \`${typeof template}\``);
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}
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if (typeof data !== 'object') {
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throw new TypeError(`Expected an \`object\` or \`Array\` in the second argument, got \`${typeof data}\``);
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}
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// The regex tries to match either a number inside `{{ }}` or a valid JS identifier or key path.
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const doubleBraceRegex = /{{(\d+|[a-z$_][a-z\d$_]*?(?:\.[a-z\d$_]*?)*?)}}/gi;
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if (doubleBraceRegex.test(template)) {
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template = template.replace(doubleBraceRegex, (_, key) => {
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let result = data;
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for (const property of key.split('.')) {
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result = result ? result[property] : '';
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}
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return htmlEscape(String(result));
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});
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}
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const braceRegex = /{(\d+|[a-z$_][a-z\d$_]*?(?:\.[a-z\d$_]*?)*?)}/gi;
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return template.replace(braceRegex, (_, key) => {
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let result = data;
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for (const property of key.split('.')) {
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result = result ? result[property] : '';
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}
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return String(result);
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});
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};
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