mirror of
https://github.com/odoo/owl.git
synced 2025-10-06 19:59:41 +07:00
initial commit
This commit is contained in:
Géry Debongnie
+418
@@ -0,0 +1,418 @@
|
||||
import { escape } from "./utils";
|
||||
import directives from "./qweb_directives";
|
||||
import { Directive } from "./qweb_directives";
|
||||
|
||||
type RawTemplate = string;
|
||||
type Template = (context: any) => DocumentFragment;
|
||||
|
||||
// Evaluation Context
|
||||
export type EvalContext = { [key: string]: any };
|
||||
|
||||
const RESERVED_WORDS = "true,false,NaN,null,undefined,debugger,console,window,in,instanceof,new,function,return,this,typeof,eval,void,Math,RegExp,Array,Object,Date".split(
|
||||
","
|
||||
);
|
||||
|
||||
// Compilation Context
|
||||
export class Context {
|
||||
nextID: number = 1;
|
||||
code: string[] = [];
|
||||
variables: { [key: string]: any } = {};
|
||||
escaping: boolean = false;
|
||||
parentNode: string | undefined;
|
||||
indentLevel: number = 0;
|
||||
rootContext: Context;
|
||||
caller: Element | undefined;
|
||||
fragmentID: string;
|
||||
|
||||
constructor() {
|
||||
this.rootContext = this;
|
||||
this.fragmentID = this.generateID();
|
||||
}
|
||||
|
||||
generateID(): string {
|
||||
const id = `_${this.rootContext.nextID}`;
|
||||
this.rootContext.nextID++;
|
||||
return id;
|
||||
}
|
||||
|
||||
withParent(node: string): Context {
|
||||
const newContext = Object.create(this);
|
||||
newContext.parentNode = node;
|
||||
return newContext;
|
||||
}
|
||||
|
||||
withVariables(variables: { [key: string]: any }) {
|
||||
const newContext = Object.create(this);
|
||||
newContext.variables = Object.create(variables);
|
||||
return newContext;
|
||||
}
|
||||
|
||||
withCaller(node: Element): Context {
|
||||
const newContext = Object.create(this);
|
||||
newContext.caller = node;
|
||||
return newContext;
|
||||
}
|
||||
|
||||
withEscaping(): Context {
|
||||
const newContext = Object.create(this);
|
||||
newContext.escaping = true;
|
||||
return newContext;
|
||||
}
|
||||
|
||||
indent() {
|
||||
this.indentLevel++;
|
||||
}
|
||||
|
||||
dedent() {
|
||||
this.indentLevel--;
|
||||
}
|
||||
|
||||
addNode(nodeID: string) {
|
||||
if (this.parentNode) {
|
||||
this.addLine(`${this.parentNode}.appendChild(${nodeID})`);
|
||||
} else {
|
||||
this.addLine(`${this.fragmentID}.appendChild(${nodeID})`);
|
||||
}
|
||||
}
|
||||
addLine(line: string) {
|
||||
const prefix = new Array(this.indentLevel).join('\t');
|
||||
const lastChar = line[line.length - 1];
|
||||
const suffix = lastChar !=='}' && lastChar !== '{' ? ';' : '';
|
||||
this.code.push(prefix + line + suffix);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Template rendering engine
|
||||
*/
|
||||
export default class QWeb {
|
||||
rawTemplates: { [name: string]: RawTemplate } = {};
|
||||
nodeTemplates: { [name: string]: Document } = {};
|
||||
templates: { [name: string]: Template } = {};
|
||||
escape: ((str: string) => string) = escape;
|
||||
exprCache: { [key: string]: string } = {};
|
||||
directives: Directive[] = [];
|
||||
|
||||
constructor() {
|
||||
directives.forEach(d => this.addDirective(d));
|
||||
}
|
||||
|
||||
addDirective(dir: Directive) {
|
||||
this.directives.push(dir);
|
||||
this.directives.sort((d1, d2) => d1.priority - d2.priority);
|
||||
}
|
||||
/**
|
||||
* Add a template to the internal template map. Note that it is not
|
||||
* immediately compiled.
|
||||
*/
|
||||
addTemplate(name: string, template: RawTemplate) {
|
||||
if (name in this.rawTemplates) {
|
||||
return;
|
||||
}
|
||||
this.rawTemplates[name] = template;
|
||||
const parser = new DOMParser();
|
||||
const doc = parser.parseFromString(template, "text/xml");
|
||||
if (!doc.firstChild) {
|
||||
throw new Error("Invalid template (should not be empty)");
|
||||
}
|
||||
if (doc.firstChild.nodeName === "parsererror") {
|
||||
throw new Error("Invalid XML in template");
|
||||
}
|
||||
let tbranch = doc.querySelectorAll("[t-elif], [t-else]");
|
||||
for (let i = 0, ilen = tbranch.length; i < ilen; i++) {
|
||||
let node = tbranch[i];
|
||||
let prevElem = node.previousElementSibling!;
|
||||
let pattr = function(name) {
|
||||
return prevElem.getAttribute(name);
|
||||
};
|
||||
let nattr = function(name) {
|
||||
return +!!node.getAttribute(name);
|
||||
};
|
||||
if (prevElem && (pattr("t-if") || pattr("t-elif"))) {
|
||||
if (pattr("t-foreach")) {
|
||||
throw new Error(
|
||||
"t-if cannot stay at the same level as t-foreach when using t-elif or t-else"
|
||||
);
|
||||
}
|
||||
if (
|
||||
["t-if", "t-elif", "t-else"].map(nattr).reduce(function(a, b) {
|
||||
return a + b;
|
||||
}) > 1
|
||||
) {
|
||||
throw new Error(
|
||||
"Only one conditional branching directive is allowed per node"
|
||||
);
|
||||
}
|
||||
// All text nodes between branch nodes are removed
|
||||
let textNode;
|
||||
while ((textNode = node.previousSibling) !== prevElem) {
|
||||
if (textNode.nodeValue.trim().length) {
|
||||
throw new Error("text is not allowed between branching directives");
|
||||
}
|
||||
textNode.remove();
|
||||
}
|
||||
} else {
|
||||
throw new Error(
|
||||
"t-elif and t-else directives must be preceded by a t-if or t-elif directive"
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
this.nodeTemplates[name] = doc;
|
||||
}
|
||||
|
||||
/**
|
||||
* Render a template
|
||||
*
|
||||
* @param {string} name the template should already have been added
|
||||
*/
|
||||
render(name: string, context: any = {}): DocumentFragment {
|
||||
const template = this.templates[name] || this._compile(name);
|
||||
return template(context);
|
||||
}
|
||||
|
||||
renderToString(name: string, context: EvalContext = {}): string {
|
||||
const node = this.render(name, context);
|
||||
return this._renderNodeToString(node);
|
||||
}
|
||||
|
||||
_renderNodeToString(node: Node): string {
|
||||
switch (node.nodeType) {
|
||||
case 3: // text node
|
||||
return node.textContent!;
|
||||
case 11: // document.fragment
|
||||
const children = Array.from((<DocumentFragment>node).childNodes);
|
||||
return children.map(this._renderNodeToString).join("");
|
||||
default:
|
||||
return (<HTMLElement>node).outerHTML;
|
||||
}
|
||||
}
|
||||
|
||||
_compile(name: string): Template {
|
||||
if (name in this.templates) {
|
||||
return this.templates[name];
|
||||
}
|
||||
const doc = this.nodeTemplates[name];
|
||||
|
||||
let ctx = new Context();
|
||||
|
||||
const mainNode = doc.firstChild!;
|
||||
ctx.addLine(`let ${ctx.fragmentID} = document.createDocumentFragment()`);
|
||||
this._compileNode(mainNode, ctx);
|
||||
|
||||
ctx.addLine(`return ${ctx.fragmentID}`);
|
||||
const functionCode = ctx.code.join("\n");
|
||||
if ((<Element>mainNode).attributes.hasOwnProperty("t-debug")) {
|
||||
console.log(
|
||||
`Template: ${this.rawTemplates[name]}\nCompiled code:\n` + functionCode
|
||||
);
|
||||
}
|
||||
const template: Template = (new Function(
|
||||
"context",
|
||||
functionCode
|
||||
) as Template).bind(this);
|
||||
this.templates[name] = template;
|
||||
return template;
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate code from an xml node
|
||||
*
|
||||
*/
|
||||
_compileNode(node: ChildNode, ctx: Context) {
|
||||
if (!(node instanceof Element)) {
|
||||
// this is a text node, there are no directive to apply
|
||||
let text = node.textContent!;
|
||||
let nodeID = ctx.generateID();
|
||||
ctx.addLine(`let ${nodeID} = document.createTextNode(\`${text}\`)`);
|
||||
ctx.addNode(nodeID);
|
||||
return;
|
||||
}
|
||||
|
||||
const attributes = (<Element>node).attributes;
|
||||
|
||||
const validDirectives: {
|
||||
directive: Directive;
|
||||
value: string;
|
||||
fullName: string;
|
||||
}[] = [];
|
||||
|
||||
for (let directive of this.directives) {
|
||||
// const value = attributes[i].textContent!;
|
||||
let fullName;
|
||||
let value;
|
||||
for (let i = 0; i < attributes.length; i++) {
|
||||
const name = attributes[i].name;
|
||||
if (
|
||||
name === "t-" + directive.name ||
|
||||
name.startsWith("t-" + directive.name + "-")
|
||||
) {
|
||||
fullName = name;
|
||||
value = attributes[i].textContent;
|
||||
}
|
||||
}
|
||||
if (fullName) {
|
||||
validDirectives.push({ directive, value, fullName });
|
||||
}
|
||||
}
|
||||
|
||||
for (let { directive, value, fullName } of validDirectives) {
|
||||
if (directive.atNodeEncounter) {
|
||||
const isDone = directive.atNodeEncounter({
|
||||
node,
|
||||
qweb: this,
|
||||
ctx,
|
||||
fullName,
|
||||
value
|
||||
});
|
||||
if (isDone) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (node.nodeName !== "t") {
|
||||
let nodeID = this._compileGenericNode(node, ctx);
|
||||
ctx = ctx.withParent(nodeID);
|
||||
|
||||
for (let { directive, value, fullName } of validDirectives) {
|
||||
if (directive.atNodeCreation) {
|
||||
directive.atNodeCreation({
|
||||
node,
|
||||
qweb: this,
|
||||
ctx,
|
||||
fullName,
|
||||
value,
|
||||
nodeID
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
this._compileChildren(node, ctx);
|
||||
|
||||
for (let { directive, value, fullName } of validDirectives) {
|
||||
if (directive.finalize) {
|
||||
directive.finalize({ node, qweb: this, ctx, fullName, value });
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
_getValue(val: any, ctx: Context): any {
|
||||
if (val in ctx.variables) {
|
||||
return this._getValue(ctx.variables[val], ctx);
|
||||
}
|
||||
return val;
|
||||
}
|
||||
_compileChildren(node: ChildNode, ctx: Context) {
|
||||
if (node.childNodes.length > 0) {
|
||||
for (let child of Array.from(node.childNodes)) {
|
||||
this._compileNode(child, ctx);
|
||||
}
|
||||
}
|
||||
}
|
||||
_compileGenericNode(node: ChildNode, ctx: Context): string {
|
||||
let nodeID: string | undefined;
|
||||
switch (node.nodeType) {
|
||||
case 1: // generic tag;
|
||||
nodeID = ctx.generateID();
|
||||
ctx.addLine(
|
||||
`let ${nodeID} = document.createElement('${node.nodeName}')`
|
||||
);
|
||||
|
||||
const attributes = (<Element>node).attributes;
|
||||
for (let i = 0; i < attributes.length; i++) {
|
||||
const name = attributes[i].name;
|
||||
const value = attributes[i].textContent!;
|
||||
if (!name.startsWith("t-")) {
|
||||
ctx.addLine(
|
||||
`${nodeID}.setAttribute('${name}', '${escape(value)}')`
|
||||
);
|
||||
}
|
||||
if (name.startsWith("t-att-")) {
|
||||
const attName = name.slice(6);
|
||||
const formattedValue = this._formatExpression(value!);
|
||||
const attID = ctx.generateID();
|
||||
ctx.addLine(`let ${attID} = ${formattedValue}`);
|
||||
ctx.addLine(
|
||||
`if (${attID}) {${nodeID}.setAttribute('${attName}', ${attID})}`
|
||||
);
|
||||
}
|
||||
if (name.startsWith("t-attf-")) {
|
||||
const exprName = name.slice(7);
|
||||
const formattedExpr = value!.replace(
|
||||
/\{\{.*?\}\}/g,
|
||||
s => "${" + this._formatExpression(s.slice(2, -2)) + "}"
|
||||
);
|
||||
ctx.addLine(
|
||||
`${nodeID}.setAttribute('${exprName}', \`${formattedExpr}\`)`
|
||||
);
|
||||
}
|
||||
if (name === "t-att") {
|
||||
const id = ctx.generateID();
|
||||
ctx.addLine(`let ${id} = ${this._formatExpression(value!)}`);
|
||||
ctx.addLine(`if (${id} instanceof Array) {`);
|
||||
ctx.indent();
|
||||
ctx.addLine(`${nodeID}.setAttribute(${id}[0], ${id}[1])`);
|
||||
ctx.dedent();
|
||||
ctx.addLine(`} else {`);
|
||||
ctx.indent();
|
||||
ctx.addLine(`for (let key in ${id}) {`);
|
||||
ctx.indent();
|
||||
ctx.addLine(`${nodeID}.setAttribute(key, ${id}[key])`);
|
||||
ctx.dedent();
|
||||
ctx.addLine(`}`);
|
||||
ctx.dedent();
|
||||
ctx.addLine(`}`);
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
throw new Error("unknown node type");
|
||||
}
|
||||
|
||||
ctx.addNode(nodeID);
|
||||
return nodeID;
|
||||
}
|
||||
|
||||
_formatExpression(e: string): string {
|
||||
if (e in this.exprCache) {
|
||||
return this.exprCache[e];
|
||||
}
|
||||
// Thanks CHM for this code...
|
||||
const chars = e.split("");
|
||||
let instring = "";
|
||||
let invar = "";
|
||||
let invarPos = 0;
|
||||
let r = "";
|
||||
chars.push(" ");
|
||||
for (var i = 0, ilen = chars.length; i < ilen; i++) {
|
||||
var c = chars[i];
|
||||
if (instring.length) {
|
||||
if (c === instring && chars[i - 1] !== "\\") {
|
||||
instring = "";
|
||||
}
|
||||
} else if (c === '"' || c === "'") {
|
||||
instring = c;
|
||||
} else if (c.match(/[a-zA-Z_\$]/) && !invar.length) {
|
||||
invar = c;
|
||||
invarPos = i;
|
||||
continue;
|
||||
} else if (c.match(/\W/) && invar.length) {
|
||||
// TODO: Should check for possible spaces before dot
|
||||
if (chars[invarPos - 1] !== "." && RESERVED_WORDS.indexOf(invar) < 0) {
|
||||
invar = "context['" + invar + "']";
|
||||
}
|
||||
r += invar;
|
||||
invar = "";
|
||||
} else if (invar.length) {
|
||||
invar += c;
|
||||
continue;
|
||||
}
|
||||
r += c;
|
||||
}
|
||||
const result = r.slice(0, -1);
|
||||
this.exprCache[e] = result;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,231 @@
|
||||
import QWeb from "./qweb";
|
||||
import { Context } from "./qweb";
|
||||
|
||||
interface CompilationInfo {
|
||||
nodeID?: string;
|
||||
node: Element;
|
||||
qweb: QWeb;
|
||||
ctx: Context;
|
||||
fullName: string;
|
||||
value: string;
|
||||
}
|
||||
|
||||
export interface Directive {
|
||||
name: string;
|
||||
priority: number;
|
||||
// if return true, then directive is fully applied and there is no need to
|
||||
// keep processing node. Otherwise, we keep going.
|
||||
atNodeEncounter?(info: CompilationInfo): boolean;
|
||||
atNodeCreation?(info: CompilationInfo);
|
||||
finalize?(info: CompilationInfo);
|
||||
}
|
||||
|
||||
const forEachDirective: Directive = {
|
||||
name: "foreach",
|
||||
priority: 10,
|
||||
atNodeEncounter({ node, qweb, ctx }): boolean {
|
||||
const elems = node.getAttribute("t-foreach")!;
|
||||
const name = node.getAttribute("t-as")!;
|
||||
let arrayID = ctx.generateID();
|
||||
ctx.addLine(`let ${arrayID} = ${qweb._formatExpression(elems)}`);
|
||||
ctx.addLine(
|
||||
`if (typeof ${arrayID} === 'number') { ${arrayID} = Array.from(Array(${arrayID}).keys())}`
|
||||
);
|
||||
let keysID = ctx.generateID();
|
||||
ctx.addLine(
|
||||
`let ${keysID} = ${arrayID} instanceof Array ? ${arrayID} : Object.keys(${arrayID})`
|
||||
);
|
||||
let valuesID = ctx.generateID();
|
||||
ctx.addLine(
|
||||
`let ${valuesID} = ${arrayID} instanceof Array ? ${arrayID} : Object.values(${arrayID})`
|
||||
);
|
||||
ctx.addLine(`for (let i = 0; i < ${keysID}.length; i++) {`);
|
||||
ctx.indent();
|
||||
ctx.addLine(`context.${name}_first = i === 0`);
|
||||
ctx.addLine(`context.${name}_last = i === ${keysID}.length - 1`);
|
||||
ctx.addLine(`context.${name}_parity = i % 2 === 0 ? 'even' : 'odd'`);
|
||||
ctx.addLine(`context.${name}_index = i`);
|
||||
ctx.addLine(`context.${name} = ${keysID}[i]`);
|
||||
ctx.addLine(`context.${name}_value = ${valuesID}[i]`);
|
||||
const nodes = Array.from(node.childNodes);
|
||||
for (let i = 0; i < nodes.length; i++) {
|
||||
qweb._compileNode(nodes[i], ctx);
|
||||
}
|
||||
ctx.dedent();
|
||||
ctx.addLine("}");
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
const ifDirective: Directive = {
|
||||
name: "if",
|
||||
priority: 20,
|
||||
atNodeEncounter({ node, qweb, ctx }): boolean {
|
||||
let cond = qweb._getValue(node.getAttribute("t-if")!, ctx);
|
||||
ctx.addLine(`if (${qweb._formatExpression(cond)}) {`);
|
||||
ctx.indent();
|
||||
return false;
|
||||
},
|
||||
finalize({ ctx }) {
|
||||
ctx.dedent();
|
||||
ctx.addLine(`}`);
|
||||
}
|
||||
};
|
||||
|
||||
const elifDirective: Directive = {
|
||||
name: "elif",
|
||||
priority: 30,
|
||||
atNodeEncounter({ node, qweb, ctx }): boolean {
|
||||
let cond = qweb._getValue(node.getAttribute("t-elif")!, ctx);
|
||||
ctx.addLine(`else if (${qweb._formatExpression(cond)}) {`);
|
||||
ctx.indent();
|
||||
return false;
|
||||
},
|
||||
finalize({ ctx }) {
|
||||
ctx.dedent();
|
||||
ctx.addLine(`}`);
|
||||
}
|
||||
};
|
||||
|
||||
const elseDirective: Directive = {
|
||||
name: "else",
|
||||
priority: 40,
|
||||
atNodeEncounter({ ctx }): boolean {
|
||||
ctx.addLine(`else {`);
|
||||
ctx.indent();
|
||||
return false;
|
||||
},
|
||||
finalize({ ctx }) {
|
||||
ctx.dedent();
|
||||
ctx.addLine(`}`);
|
||||
}
|
||||
};
|
||||
|
||||
const callDirective: Directive = {
|
||||
name: "call",
|
||||
priority: 50,
|
||||
atNodeEncounter({ node, qweb, ctx }): boolean {
|
||||
const subTemplate = node.getAttribute("t-call")!;
|
||||
const nodeTemplate = qweb.nodeTemplates[subTemplate];
|
||||
const nodeCopy = <Element>node.cloneNode(true);
|
||||
nodeCopy.removeAttribute("t-call");
|
||||
|
||||
// extract variables from nodecopy
|
||||
const tempCtx = new Context();
|
||||
qweb._compileNode(nodeCopy, tempCtx);
|
||||
const vars = Object.assign({}, ctx.variables, tempCtx.variables);
|
||||
const subCtx = ctx.withCaller(nodeCopy).withVariables(vars);
|
||||
|
||||
qweb._compileNode(nodeTemplate.firstChild!, subCtx);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
const setDirective: Directive = {
|
||||
name: "set",
|
||||
priority: 60,
|
||||
atNodeEncounter({ node, ctx }): boolean {
|
||||
const variable = node.getAttribute("t-set")!;
|
||||
let value = node.getAttribute("t-value")!;
|
||||
if (value) {
|
||||
ctx.variables[variable] = value;
|
||||
} else {
|
||||
ctx.variables[variable] = node.childNodes;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
function compileValueNode(value: any, node: Element, qweb: QWeb, ctx: Context) {
|
||||
if (value === "0" && ctx.caller) {
|
||||
qweb._compileNode(ctx.caller, ctx);
|
||||
return;
|
||||
}
|
||||
|
||||
if (typeof value === "string") {
|
||||
const exprID = ctx.generateID();
|
||||
ctx.addLine(`let ${exprID} = ${qweb._formatExpression(value)}`);
|
||||
ctx.addLine(`if (${exprID} || ${exprID} === 0) {`);
|
||||
ctx.indent();
|
||||
let text = exprID;
|
||||
if (ctx.escaping) {
|
||||
text = `this.escape(${text})`;
|
||||
}
|
||||
|
||||
const nodeID = ctx.generateID();
|
||||
ctx.addLine(`let ${nodeID} = document.createTextNode(${text})`);
|
||||
ctx.addNode(nodeID);
|
||||
ctx.dedent();
|
||||
if (node.childNodes.length) {
|
||||
ctx.addLine("} else {");
|
||||
ctx.indent();
|
||||
qweb._compileChildren(node, ctx);
|
||||
ctx.dedent();
|
||||
}
|
||||
ctx.addLine("}");
|
||||
return;
|
||||
}
|
||||
if (value instanceof NodeList) {
|
||||
for (let node of Array.from(value)) {
|
||||
qweb._compileNode(<ChildNode>node, ctx);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const escDirective: Directive = {
|
||||
name: "esc",
|
||||
priority: 70,
|
||||
atNodeEncounter({ node, qweb, ctx }): boolean {
|
||||
if (node.nodeName !== "t") {
|
||||
let nodeID = qweb._compileGenericNode(node, ctx);
|
||||
ctx = ctx.withParent(nodeID);
|
||||
}
|
||||
let value = qweb._getValue(node.getAttribute("t-esc")!, ctx);
|
||||
compileValueNode(value, node, qweb, ctx.withEscaping());
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
const rawDirective: Directive = {
|
||||
name: "raw",
|
||||
priority: 80,
|
||||
atNodeEncounter({ node, qweb, ctx }): boolean {
|
||||
if (node.nodeName !== "t") {
|
||||
let nodeID = qweb._compileGenericNode(node, ctx);
|
||||
ctx = ctx.withParent(nodeID);
|
||||
}
|
||||
let value = qweb._getValue(node.getAttribute("t-raw")!, ctx);
|
||||
compileValueNode(value, node, qweb, ctx);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
const onDirective: Directive = {
|
||||
name: "on",
|
||||
priority: 90,
|
||||
atNodeCreation({ ctx, fullName, value, nodeID }) {
|
||||
const eventName = fullName.slice(5);
|
||||
let extraArgs;
|
||||
let handler = value.replace(/\(.*\)/, function(args) {
|
||||
extraArgs = args.slice(1, -1);
|
||||
return "";
|
||||
});
|
||||
ctx.addLine(
|
||||
`${nodeID}.addEventListener('${eventName}', context['${handler}'].bind(context${
|
||||
extraArgs ? ", " + extraArgs : ""
|
||||
}))`
|
||||
);
|
||||
}
|
||||
};
|
||||
|
||||
export default [
|
||||
forEachDirective,
|
||||
ifDirective,
|
||||
elifDirective,
|
||||
elseDirective,
|
||||
callDirective,
|
||||
setDirective,
|
||||
escDirective,
|
||||
rawDirective,
|
||||
onDirective
|
||||
];
|
||||
@@ -0,0 +1,28 @@
|
||||
export function escape(str: string | number | undefined): string {
|
||||
if (str === undefined) {
|
||||
return "";
|
||||
}
|
||||
if (typeof str === "number") {
|
||||
return String(str);
|
||||
}
|
||||
return str
|
||||
.replace(/&/g, "&")
|
||||
.replace(/</g, "<")
|
||||
.replace(/>/g, ">")
|
||||
.replace(/"/g, "'")
|
||||
.replace(/`/g, "`");
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove trailing and leading spaces
|
||||
*/
|
||||
export function htmlTrim(s: string): string {
|
||||
let result = s.replace(/(^\s+|\s+$)/g, "");
|
||||
if (s[0] === ' ') {
|
||||
result = ' ' + result;
|
||||
}
|
||||
if (result !== ' ' && s[s.length - 1] === ' ') {
|
||||
result = result + ' ';
|
||||
}
|
||||
return result;
|
||||
}
|
||||
Reference in New Issue
Block a user