install-nix-action/node_modules/@babel/template/lib/options.js

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2019-11-20 03:50:30 +11:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.merge = merge;
exports.validate = validate;
exports.normalizeReplacements = normalizeReplacements;
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
function merge(a, b) {
const {
placeholderWhitelist = a.placeholderWhitelist,
placeholderPattern = a.placeholderPattern,
preserveComments = a.preserveComments,
syntacticPlaceholders = a.syntacticPlaceholders
} = b;
return {
parser: Object.assign({}, a.parser, {}, b.parser),
placeholderWhitelist,
placeholderPattern,
preserveComments,
syntacticPlaceholders
};
}
function validate(opts) {
if (opts != null && typeof opts !== "object") {
throw new Error("Unknown template options.");
}
const _ref = opts || {},
{
placeholderWhitelist,
placeholderPattern,
preserveComments,
syntacticPlaceholders
} = _ref,
parser = _objectWithoutPropertiesLoose(_ref, ["placeholderWhitelist", "placeholderPattern", "preserveComments", "syntacticPlaceholders"]);
if (placeholderWhitelist != null && !(placeholderWhitelist instanceof Set)) {
throw new Error("'.placeholderWhitelist' must be a Set, null, or undefined");
}
if (placeholderPattern != null && !(placeholderPattern instanceof RegExp) && placeholderPattern !== false) {
throw new Error("'.placeholderPattern' must be a RegExp, false, null, or undefined");
}
if (preserveComments != null && typeof preserveComments !== "boolean") {
throw new Error("'.preserveComments' must be a boolean, null, or undefined");
}
if (syntacticPlaceholders != null && typeof syntacticPlaceholders !== "boolean") {
throw new Error("'.syntacticPlaceholders' must be a boolean, null, or undefined");
}
if (syntacticPlaceholders === true && (placeholderWhitelist != null || placeholderPattern != null)) {
throw new Error("'.placeholderWhitelist' and '.placeholderPattern' aren't compatible" + " with '.syntacticPlaceholders: true'");
}
return {
parser,
placeholderWhitelist: placeholderWhitelist || undefined,
placeholderPattern: placeholderPattern == null ? undefined : placeholderPattern,
preserveComments: preserveComments == null ? false : preserveComments,
syntacticPlaceholders: syntacticPlaceholders == null ? undefined : syntacticPlaceholders
};
}
function normalizeReplacements(replacements) {
if (Array.isArray(replacements)) {
return replacements.reduce((acc, replacement, i) => {
acc["$" + i] = replacement;
return acc;
}, {});
} else if (typeof replacements === "object" || replacements == null) {
return replacements || undefined;
}
throw new Error("Template replacements must be an array, object, null, or undefined");
}