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- (function(global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.jinja = {}));
- })(this, (function(jinja) {
- "use strict";
- var STRINGS = /'(\\.|[^'])*'|"(\\.|[^"'"])*"/g;
- var IDENTS_AND_NUMS = /([$_a-z][$\w]*)|([+-]?\d+(\.\d+)?)/g;
- var NUMBER = /^[+-]?\d+(\.\d+)?$/;
-
- var NON_PRIMITIVES = /\[[@#~](,[@#~])*\]|\[\]|\{([@i]:[@#~])(,[@i]:[@#~])*\}|\{\}/g;
-
- var IDENTIFIERS = /[$_a-z][$\w]*/ig;
- var VARIABLES = /i(\.i|\[[@#i]\])*/g;
- var ACCESSOR = /(\.i|\[[@#i]\])/g;
- var OPERATORS = /(===?|!==?|>=?|<=?|&&|\|\||[+\-\*\/%])/g;
-
- var EOPS = /(^|[^$\w])(and|or|not|is|isnot)([^$\w]|$)/g;
- var LEADING_SPACE = /^\s+/;
- var TRAILING_SPACE = /\s+$/;
- var START_TOKEN = /\{\{\{|\{\{|\{%|\{#/;
- var TAGS = {
- '{{{': /^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?\}\}\}/,
- '{{': /^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?\}\}/,
- '{%': /^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?%\}/,
- '{#': /^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?#\}/
- };
- var delimeters = {
- '{%': 'directive',
- '{{': 'output',
- '{#': 'comment'
- };
- var operators = {
- and: '&&',
- or: '||',
- not: '!',
- is: '==',
- isnot: '!='
- };
- var constants = {
- 'true': true,
- 'false': false,
- 'null': null
- };
- function Parser() {
- this.nest = [];
- this.compiled = [];
- this.childBlocks = 0;
- this.parentBlocks = 0;
- this.isSilent = false;
- }
- Parser.prototype.push = function(line) {
- if (!this.isSilent) {
- this.compiled.push(line);
- }
- };
- Parser.prototype.parse = function(src) {
- this.tokenize(src);
- return this.compiled;
- };
- Parser.prototype.tokenize = function(src) {
- var lastEnd = 0,
- parser = this,
- trimLeading = false;
- matchAll(src, START_TOKEN, function(open, index, src) {
-
- var match = src.slice(index + open.length).match(TAGS[open]);
- match = (match ? match[0] : '');
-
- var simplified = match.replace(STRINGS, '@');
-
- if (!match || ~simplified.indexOf(open)) {
- return index + 1;
- }
- var inner = match.slice(0, 0 - open.length);
-
- if (inner.charAt(0) === '-') var wsCollapseLeft = true;
- if (inner.slice(-1) === '-') var wsCollapseRight = true;
- inner = inner.replace(/^-|-$/g, '').trim();
-
- if (parser.rawMode && (open + inner) !== '{%endraw') {
- return index + 1;
- }
- var text = src.slice(lastEnd, index);
- lastEnd = index + open.length + match.length;
- if (trimLeading) text = trimLeft(text);
- if (wsCollapseLeft) text = trimRight(text);
- if (wsCollapseRight) trimLeading = true;
- if (open === '{{{') {
-
- open = '{{';
- inner += '|safe';
- }
- parser.textHandler(text);
- parser.tokenHandler(open, inner);
- });
- var text = src.slice(lastEnd);
- if (trimLeading) text = trimLeft(text);
- this.textHandler(text);
- };
- Parser.prototype.textHandler = function(text) {
- this.push('write(' + JSON.stringify(text) + ');');
- };
- Parser.prototype.tokenHandler = function(open, inner) {
- var type = delimeters[open];
- if (type === 'directive') {
- this.compileTag(inner);
- } else if (type === 'output') {
- var extracted = this.extractEnt(inner, STRINGS, '@');
-
- extracted.src = extracted.src.replace(/\|\|/g, '~').split('|');
-
- extracted.src = extracted.src.map(function(part) {
- return part.split('~').join('||');
- });
- var parts = this.injectEnt(extracted, '@');
- if (parts.length > 1) {
- var filters = parts.slice(1).map(this.parseFilter.bind(this));
- this.push('filter(' + this.parseExpr(parts[0]) + ',' + filters.join(',') + ');');
- } else {
- this.push('filter(' + this.parseExpr(parts[0]) + ');');
- }
- }
- };
- Parser.prototype.compileTag = function(str) {
- var directive = str.split(' ')[0];
- var handler = tagHandlers[directive];
- if (!handler) {
- throw new Error('Invalid tag: ' + str);
- }
- handler.call(this, str.slice(directive.length).trim());
- };
- Parser.prototype.parseFilter = function(src) {
- src = src.trim();
- var match = src.match(/[:(]/);
- var i = match ? match.index : -1;
- if (i < 0) return JSON.stringify([src]);
- var name = src.slice(0, i);
- var args = src.charAt(i) === ':' ? src.slice(i + 1) : src.slice(i + 1, -1);
- args = this.parseExpr(args, {
- terms: true
- });
- return '[' + JSON.stringify(name) + ',' + args + ']';
- };
- Parser.prototype.extractEnt = function(src, regex, placeholder) {
- var subs = [],
- isFunc = typeof placeholder == 'function';
- src = src.replace(regex, function(str) {
- var replacement = isFunc ? placeholder(str) : placeholder;
- if (replacement) {
- subs.push(str);
- return replacement;
- }
- return str;
- });
- return {
- src: src,
- subs: subs
- };
- };
- Parser.prototype.injectEnt = function(extracted, placeholder) {
- var src = extracted.src,
- subs = extracted.subs,
- isArr = Array.isArray(src);
- var arr = (isArr) ? src : [src];
- var re = new RegExp('[' + placeholder + ']', 'g'),
- i = 0;
- arr.forEach(function(src, index) {
- arr[index] = src.replace(re, function() {
- return subs[i++];
- });
- });
- return isArr ? arr : arr[0];
- };
-
- Parser.prototype.replaceComplex = function(s) {
- var parsed = this.extractEnt(s, /i(\.i|\[[@#i]\])+/g, 'v');
- parsed.src = parsed.src.replace(NON_PRIMITIVES, '~');
- return this.injectEnt(parsed, 'v');
- };
-
-
- Parser.prototype.parseExpr = function(src, opts) {
- opts = opts || {};
-
- var parsed1 = this.extractEnt(src, STRINGS, '@');
-
- parsed1.src = parsed1.src.replace(EOPS, function(s, before, op, after) {
- return (op in operators) ? before + operators[op] + after : s;
- });
-
-
- var parsed2 = this.extractEnt(parsed1.src, IDENTS_AND_NUMS, function(s) {
- return (s in constants || NUMBER.test(s)) ? '#' : null;
- });
-
- var parsed3 = this.extractEnt(parsed2.src, IDENTIFIERS, 'i');
-
- parsed3.src = parsed3.src.replace(/\s+/g, '');
-
- var simplified = parsed3.src;
-
-
- while (simplified !== (simplified = this.replaceComplex(simplified)));
-
-
- while (simplified !== (simplified = simplified.replace(/i(\.i|\[[@#i]\])+/, 'v')));
-
- simplified = simplified.replace(/[iv]\[v?\]/g, 'x');
-
- simplified = simplified.replace(/[@#~v]/g, 'i');
-
- simplified = simplified.replace(OPERATORS, '%');
-
- simplified = simplified.replace(/!+[i]/g, 'i');
- var terms = opts.terms ? simplified.split(',') : [simplified];
- terms.forEach(function(term) {
-
- while (term !== (term = term.replace(/\(i(%i)*\)/g, 'i')));
- if (!term.match(/^i(%i)*/)) {
- throw new Error('Invalid expression: ' + src + " " + term);
- }
- });
- parsed3.src = parsed3.src.replace(VARIABLES, this.parseVar.bind(this));
- parsed2.src = this.injectEnt(parsed3, 'i');
- parsed1.src = this.injectEnt(parsed2, '#');
- return this.injectEnt(parsed1, '@');
- };
- Parser.prototype.parseVar = function(src) {
- var args = Array.prototype.slice.call(arguments);
- var str = args.pop(),
- index = args.pop();
-
- if (src === 'i' && str.charAt(index + 1) === ':') {
- return '"i"';
- }
- var parts = ['"i"'];
- src.replace(ACCESSOR, function(part) {
- if (part === '.i') {
- parts.push('"i"');
- } else if (part === '[i]') {
- parts.push('get("i")');
- } else {
- parts.push(part.slice(1, -1));
- }
- });
- return 'get(' + parts.join(',') + ')';
- };
-
- Parser.prototype.escName = function(str) {
- return str.replace(/\W/g, function(s) {
- return '$' + s.charCodeAt(0).toString(16);
- });
- };
- Parser.prototype.parseQuoted = function(str) {
- if (str.charAt(0) === "'") {
- str = str.slice(1, -1).replace(/\\.|"/, function(s) {
- if (s === "\\'") return "'";
- return s.charAt(0) === '\\' ? s : ('\\' + s);
- });
- str = '"' + str + '"';
- }
-
- return JSON.parse(str);
- };
-
- var tagHandlers = {
- 'if': function(expr) {
- this.push('if (' + this.parseExpr(expr) + ') {');
- this.nest.unshift('if');
- },
- 'else': function() {
- if (this.nest[0] === 'for') {
- this.push('}, function() {');
- } else {
- this.push('} else {');
- }
- },
- 'elseif': function(expr) {
- this.push('} else if (' + this.parseExpr(expr) + ') {');
- },
- 'endif': function() {
- this.nest.shift();
- this.push('}');
- },
- 'for': function(str) {
- var i = str.indexOf(' in ');
- var name = str.slice(0, i).trim();
- var expr = str.slice(i + 4).trim();
- this.push('each(' + this.parseExpr(expr) + ',' + JSON.stringify(name) + ',function() {');
- this.nest.unshift('for');
- },
- 'endfor': function() {
- this.nest.shift();
- this.push('});');
- },
- 'raw': function() {
- this.rawMode = true;
- },
- 'endraw': function() {
- this.rawMode = false;
- },
- 'set': function(stmt) {
- var i = stmt.indexOf('=');
- var name = stmt.slice(0, i).trim();
- var expr = stmt.slice(i + 1).trim();
- this.push('set(' + JSON.stringify(name) + ',' + this.parseExpr(expr) + ');');
- },
- 'block': function(name) {
- if (this.isParent) {
- ++this.parentBlocks;
- var blockName = 'block_' + (this.escName(name) || this.parentBlocks);
- this.push('block(typeof ' + blockName + ' == "function" ? ' + blockName + ' : function() {');
- } else if (this.hasParent) {
- this.isSilent = false;
- ++this.childBlocks;
- blockName = 'block_' + (this.escName(name) || this.childBlocks);
- this.push('function ' + blockName + '() {');
- }
- this.nest.unshift('block');
- },
- 'endblock': function() {
- this.nest.shift();
- if (this.isParent) {
- this.push('});');
- } else if (this.hasParent) {
- this.push('}');
- this.isSilent = true;
- }
- },
- 'extends': function(name) {
- name = this.parseQuoted(name);
- var parentSrc = this.readTemplateFile(name);
- this.isParent = true;
- this.tokenize(parentSrc);
- this.isParent = false;
- this.hasParent = true;
-
- this.isSilent = true;
- },
- 'include': function(name) {
- name = this.parseQuoted(name);
- var incSrc = this.readTemplateFile(name);
- this.isInclude = true;
- this.tokenize(incSrc);
- this.isInclude = false;
- }
- };
-
- tagHandlers.assign = tagHandlers.set;
-
- tagHandlers.elif = tagHandlers.elseif;
- var getRuntime = function runtime(data, opts) {
- var defaults = {
- autoEscape: 'toJson'
- };
- var _toString = Object.prototype.toString;
- var _hasOwnProperty = Object.prototype.hasOwnProperty;
- var getKeys = Object.keys || function(obj) {
- var keys = [];
- for (var n in obj) if (_hasOwnProperty.call(obj, n)) keys.push(n);
- return keys;
- };
- var isArray = Array.isArray || function(obj) {
- return _toString.call(obj) === '[object Array]';
- };
- var create = Object.create || function(obj) {
- function F() {}
- F.prototype = obj;
- return new F();
- };
- var toString = function(val) {
- if (val == null) return '';
- return (typeof val.toString == 'function') ? val.toString() : _toString.call(val);
- };
- var extend = function(dest, src) {
- var keys = getKeys(src);
- for (var i = 0, len = keys.length; i < len; i++) {
- var key = keys[i];
- dest[key] = src[key];
- }
- return dest;
- };
-
- var get = function() {
- var val, n = arguments[0],
- c = stack.length;
- while (c--) {
- val = stack[c][n];
- if (typeof val != 'undefined') break;
- }
- for (var i = 1, len = arguments.length; i < len; i++) {
- if (val == null) continue;
- n = arguments[i];
- val = (_hasOwnProperty.call(val, n)) ? val[n] : (typeof val._get == 'function' ? (val[n] = val._get(n)) : null);
- }
- return (val == null) ? '' : val;
- };
- var set = function(n, val) {
- stack[stack.length - 1][n] = val;
- };
- var push = function(ctx) {
- stack.push(ctx || {});
- };
- var pop = function() {
- stack.pop();
- };
- var write = function(str) {
- output.push(str);
- };
- var filter = function(val) {
- for (var i = 1, len = arguments.length; i < len; i++) {
- var arr = arguments[i],
- name = arr[0],
- filter = filters[name];
- if (filter) {
- arr[0] = val;
-
- val = filter.apply(data, arr);
- } else {
- throw new Error('Invalid filter: ' + name);
- }
- }
- if (opts.autoEscape && name !== opts.autoEscape && name !== 'safe') {
-
- val = filters[opts.autoEscape].call(data, val);
- }
- output.push(val);
- };
- var each = function(obj, loopvar, fn1, fn2) {
- if (obj == null) return;
- var arr = isArray(obj) ? obj : getKeys(obj),
- len = arr.length;
- var ctx = {
- loop: {
- length: len,
- first: arr[0],
- last: arr[len - 1]
- }
- };
- push(ctx);
- for (var i = 0; i < len; i++) {
- extend(ctx.loop, {
- index: i + 1,
- index0: i
- });
- fn1(ctx[loopvar] = arr[i]);
- }
- if (len === 0 && fn2) fn2();
- pop();
- };
- var block = function(fn) {
- push();
- fn();
- pop();
- };
- var render = function() {
- return output.join('');
- };
- data = data || {};
- opts = extend(defaults, opts || {});
- var filters = extend({
- html: function(val) {
- return toString(val)
- .split('&').join('&')
- .split('<').join('<')
- .split('>').join('>')
- .split('"').join('"');
- },
- safe: function(val) {
- return val;
- },
- toJson: function(val) {
- if (typeof val === 'object') {
- return JSON.stringify(val);
- }
- return toString(val);
- }
- }, opts.filters || {});
- var stack = [create(data || {})],
- output = [];
- return {
- get: get,
- set: set,
- push: push,
- pop: pop,
- write: write,
- filter: filter,
- each: each,
- block: block,
- render: render
- };
- };
- var runtime;
- jinja.compile = function(markup, opts) {
- opts = opts || {};
- var parser = new Parser();
- parser.readTemplateFile = this.readTemplateFile;
- var code = [];
- code.push('function render($) {');
- code.push('var get = $.get, set = $.set, push = $.push, pop = $.pop, write = $.write, filter = $.filter, each = $.each, block = $.block;');
- code.push.apply(code, parser.parse(markup));
- code.push('return $.render();');
- code.push('}');
- code = code.join('\n');
- if (opts.runtime === false) {
- var fn = new Function('data', 'options', 'return (' + code + ')(runtime(data, options))');
- } else {
- runtime = runtime || (runtime = getRuntime.toString());
- fn = new Function('data', 'options', 'return (' + code + ')((' + runtime + ')(data, options))');
- }
- return {
- render: fn
- };
- };
- jinja.render = function(markup, data, opts) {
- var tmpl = jinja.compile(markup);
- return tmpl.render(data, opts);
- };
- jinja.templateFiles = [];
- jinja.readTemplateFile = function(name) {
- var templateFiles = this.templateFiles || [];
- var templateFile = templateFiles[name];
- if (templateFile == null) {
- throw new Error('Template file not found: ' + name);
- }
- return templateFile;
- };
-
- function trimLeft(str) {
- return str.replace(LEADING_SPACE, '');
- }
- function trimRight(str) {
- return str.replace(TRAILING_SPACE, '');
- }
- function matchAll(str, reg, fn) {
-
- reg = new RegExp(reg.source, 'g' + (reg.ignoreCase ? 'i' : '') + (reg.multiline ? 'm' : ''));
- var match;
- while ((match = reg.exec(str))) {
- var result = fn(match[0], match.index, str);
- if (typeof result == 'number') {
- reg.lastIndex = result;
- }
- }
- }
- }));
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