forked from zhurui/management
131 lines
4.5 KiB
JavaScript
131 lines
4.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = populatePlaceholders;
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function t() {
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var data = _interopRequireWildcard(require("@babel/types"));
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t = function t() {
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return data;
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};
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return data;
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}
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
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function populatePlaceholders(metadata, replacements) {
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var ast = t().cloneNode(metadata.ast);
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if (replacements) {
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metadata.placeholders.forEach(function (placeholder) {
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if (!Object.prototype.hasOwnProperty.call(replacements, placeholder.name)) {
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var placeholderName = placeholder.name;
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throw new Error("Error: No substitution given for \"" + placeholderName + "\". If this is not meant to be a\n placeholder you may want to consider passing one of the following options to @babel/template:\n - { placeholderPattern: false, placeholderWhitelist: new Set(['" + placeholderName + "'])}\n - { placeholderPattern: /^" + placeholderName + "$/ }");
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}
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});
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Object.keys(replacements).forEach(function (key) {
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if (!metadata.placeholderNames.has(key)) {
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throw new Error("Unknown substitution \"" + key + "\" given");
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}
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});
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}
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metadata.placeholders.slice().reverse().forEach(function (placeholder) {
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try {
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applyReplacement(placeholder, ast, replacements && replacements[placeholder.name] || null);
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} catch (e) {
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e.message = "@babel/template placeholder \"" + placeholder.name + "\": " + e.message;
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throw e;
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}
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});
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return ast;
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}
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function applyReplacement(placeholder, ast, replacement) {
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if (placeholder.isDuplicate) {
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if (Array.isArray(replacement)) {
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replacement = replacement.map(function (node) {
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return t().cloneNode(node);
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});
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} else if (typeof replacement === "object") {
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replacement = t().cloneNode(replacement);
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}
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}
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var _placeholder$resolve = placeholder.resolve(ast),
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parent = _placeholder$resolve.parent,
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key = _placeholder$resolve.key,
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index = _placeholder$resolve.index;
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if (placeholder.type === "string") {
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if (typeof replacement === "string") {
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replacement = t().stringLiteral(replacement);
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}
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if (!replacement || !t().isStringLiteral(replacement)) {
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throw new Error("Expected string substitution");
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}
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} else if (placeholder.type === "statement") {
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if (index === undefined) {
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if (!replacement) {
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replacement = t().emptyStatement();
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} else if (Array.isArray(replacement)) {
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replacement = t().blockStatement(replacement);
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} else if (typeof replacement === "string") {
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replacement = t().expressionStatement(t().identifier(replacement));
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} else if (!t().isStatement(replacement)) {
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replacement = t().expressionStatement(replacement);
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}
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} else {
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if (replacement && !Array.isArray(replacement)) {
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if (typeof replacement === "string") {
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replacement = t().identifier(replacement);
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}
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if (!t().isStatement(replacement)) {
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replacement = t().expressionStatement(replacement);
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}
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}
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}
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} else if (placeholder.type === "param") {
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if (typeof replacement === "string") {
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replacement = t().identifier(replacement);
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}
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if (index === undefined) throw new Error("Assertion failure.");
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} else {
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if (typeof replacement === "string") {
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replacement = t().identifier(replacement);
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}
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if (Array.isArray(replacement)) {
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throw new Error("Cannot replace single expression with an array.");
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}
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}
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if (index === undefined) {
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t().validate(parent, key, replacement);
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parent[key] = replacement;
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} else {
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var items = parent[key].slice();
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if (placeholder.type === "statement" || placeholder.type === "param") {
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if (replacement == null) {
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items.splice(index, 1);
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} else if (Array.isArray(replacement)) {
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items.splice.apply(items, [index, 1].concat(replacement));
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} else {
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items[index] = replacement;
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}
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} else {
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items[index] = replacement;
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}
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t().validate(parent, key, items);
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parent[key] = items;
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}
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} |